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AMD A6-Series A6-3400M - AM3400DDX43GX

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AMD A6-3400M APU was one of the first two mobile microprocessors from "A6-Series for Notebooks" family, introduced in June 2011. At the launch time, AMD also released 6 other dual- and quad-core models, all of them using newly announced Llano core. This processor is a part of Sabine platform, and it's aimed at mid-class mainstream notebooks.

AMD Llano core is a combination of improved "Stars" (K10) CPU cores, and high-performance integrated graphics controller. The A6-3400M, manufactured on 32nm process, comes with four CPU cores, and has 128 KB level 1 and 1 MB level 2 caches per each core. The microprocessor runs at 1.4 GHz, although the new Turbo core feature can boost this frequency to 2.3 GHz when some cores are non-operational. The A6-3400M employs standard set of K10 instruction set extensions up to SSE3 / SSE4A, and common technologies, like AMD64 and Virtualization.

Unlike previous generation of mobile AMD microprocessors, that had graphics processing unit (GPU) integrated in the chipset, the "Sabine" CPUs integrate graphics on a chip. The Radeon HD 6520G GPU on the AMD A6-3400M model has 400 MHz clock frequency, and it packs 320 shader units. These units can be utilized for 3D graphics acceleration, in which case the GPU can can perform on the same level as discreet graphics cards. When used for non-graphics computations, the combined performance of 320 shaders on this chip greatly surpasses performance of 4 CPU cores.

In addition to CPU cores and the graphics unit, the AMD A6-3400M incorporates Universal Video Decoder (UVD) 3.0 and memory controller. The UVD is used to accelerate decoding of video data, including HD video. On-chip memory controller has two channels, and it supports standard and low-voltage DDR3 memory with data rates up to 1333 MHz.

The A6-Series A6-3400M accommodates a handful of low-level improvements, such as power gating, which purpose is to reduce processor's power consumption. For instance, power gating is used to turn off power for idle CPU cores, graphics processing unit and/or Universal Video Decoder. The chip also supports a few low-power states. The A6-3400M features 35 Watt Thermal Design Power, and that number includes the power dissipated by all chip components. The CPU is produced in a socket FS1-compatible PGA package.

AMD A6-3400M specifications

General information
TypeCPU / Microprocessor
Market segmentMobile
FamilyAMD A6-Series for Notebooks
Model number  ? A6-3400M
CPU part number
  • AM3400DDX43GX is an OEM/tray microprocessor
Frequency  ? 1400 MHz
Turbo frequency2300 MHz
Package722-pin organic lidless micro Pin Grid Array (UOL722)
SocketSocket FS1
Weight0.2oz / 6g
Introduction dateJune 14, 2011
Architecture / Microarchitecture
Processor core  ? Llano
Core stepping  ? LN-B0
Manufacturing process0.032 micron
Die size227mm2
Data width64 bit
The number of cores4
The number of threads4
Floating Point UnitIntegrated
Level 1 cache size  ? 4 x 64 KB 2-way set associative instruction caches
4 x 64 KB 2-way set associative data caches
Level 2 cache size  ? 4 x 1 MB 16-way set associative caches
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSE4a  ? 
  • AMD64 / AMD 64-bit technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • VT / Virtualization technology  ? 
  • Turbo Core technology
Integrated peripherals / components
Integrated graphics
  • GPU Type: Radeon HD 6520G
    Shader cores: 320
    Base frequency (MHz): 400
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR3-1333, DDR3L-1333
    Maximum memory bandwidth (GB/s): 21.3
Other peripherals
  • PCI Express 2.0 interface
  • Unified Video Decoder 3.0
Electrical / Thermal parameters
V core  ? 0.9125V - 1.4125V
Maximum operating temperature  ? 100°C
Thermal Design Power  ? 35 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD A6-3400M and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: A6-3400M, AM3400DDX43GX, AMD A6-Series for Notebooks 1.4GHz, Llano Socket FS1


Q: Is it possible to upgrade my AMD A6-3400M processor?
A: Probably yes. CPU compatibility is determined by your motherboard. Please check website for CPU support list for your board.

A6-3400M Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

New AMD A-Series mobile APUs sighted
Sep 07, 2011: Current generation of mobile AMD Accelerated Processing units (APUs) was launched in June of this year. The initial line-up was comprised of 8 dual- and quad-core microprocessors from E2- and A-Series, including 4 models with averaged maximum power 35 Watt. No additional models were released or announced (or sighted) since then. In August, Hewlett Packard updated "Maintenance and Service Guide" for HP Pavilion g7 line of notebooks, and added three new A-Series model numbers, A4-3320M, A6-3420M and A8-3520M.

AMD launches A-Series APUs for Notebooks
Jun 15, 2011: AMD yesterday announced new 2011 AMD Notebook Platform, that includes seven dual-core and quad-core A-Series microprocessors, codenamed "Llano". The new processors are marketed by AMD as Accelerated Processing Units (APU), and, in addition of retaining the full functionality of CPUs from previous generation of mobile AMD "Danube" platform, add extensive video and graphics processing capabilities.

Details of mobile Llano A-Series CPUs surface on AMD website
Jun 12, 2011: In May, we published specifications of forthcoming mobile A-Series microprocessors with integrated graphics, marketed by AMD as Accelerated Processing Units (APU). At the launch, there will be 7 dual- and quad-core SKUs, clocked from 1.5 GHz to 2.1 GHz, and reaching as high as 2.6 GHz in Turbo Core mode. Two days ago "2011 AMD Notebook Platform" page, was updated with information of these models.

Details of AMD Llano mobile CPU lineup
May 25, 2011: Earlier this week DonanimHaber published details of forthcoming AMD mobile "Llano" microprocessors from "Sabine" platform. Based on their information, the mobile line-up will be comprised of four families, targeting different sectors of the mobile market: high-performance A8-Series, mid- to high-performance A6-Series, budget and mid-class A4-Series, and entry-level E2-Series.

CPU ID information for the A6-3400M

Our CPUID database contains 7 records for this microprocessor. See all submitted records.

Use our CPU identification tool to check features of your CPU.

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the AMD A6-Series for Notebooks A6-3400M CPU.

CPU Family:A6-Series for Notebooks
Model Number:A6-3400M
Frequency:1397 MHz
Part number:
Stepping Code:
Submitted by:
General information
Processor name (BIOS):AMD A6-3400M APU with Radeon(tm) HD Graphics
Logical processors:4
Processor type:Original OEM Processor
Core stepping:LN-B0
CPUID signature:300F10
Family:18 (012h)
Model: 1 (01h)
Stepping: 0 (00h)

Cache: L1 data L1 instruction L2
Size: 4 x 64 KB 4 x 64 KB 4 x 1 MB
Associativity: 2-way set
2-way set
16-way set
Line size: 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1
Instruction set extensionsAdditional instructions
MMX Advanced Bit manipulation
AMD extensions to MMX CLFLUSH
Extensions to 3DNow! CMPXCHG16B
  SKINIT/STGI support
Major featuresOther features
On-chip Floating Point Unit 1 GB large page support
64-bit / Intel 64 100MHz multiplier control
NX bit/XD-bit 128-bit SSE instructions
Secure Virtual Machine (Virtualization) 36-bit page-size extensions
Turbo Core Advanced programmable interrupt controller
PowerNow! / Cool'n'Quiet Core multi-processing legacy mode
  Debugging extensions
  Extended APIC space
  FXSAVE/FXRSTOR optimizations
  Hardware P-state control
  Hardware thermal control
  Instruction based sampling
  LAHF/SAHF support in 64-bit mode
  LBR virtualization
  LOCK MOV CR0 means MOV CR8
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Misaligned SSE mode
  Model-specific registers
  Nested page tables
  OS visible workaround
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  SVM lock
  Software thermal control
  Support for NRIP save
  TSC rate is ensured to be invariant across all states
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements
  Watchdog timer support

CPUs, related to AMD A6-3400M

Model Cores /
Frequency Turbo
TDP Features  
AMD A6-Series for Notebooks family, Socket FS1
   A6-3400M4 / 41.4 GHz2.3 GHz4 MB35W 
   A6-3410MX4 / 41.6 GHz2.3 GHz4 MB45W>
   A6-3420M4 / 41.5 GHz2.4 GHz4 MB35W>
   A6-3430MX4 / 41.7 GHz2.4 GHz4 MB45W>
Other families, K10 micro-architecture, Socket FS1
   E2-3000M (HX)2 / 21.8 GHz2.4 GHz1 MB35W>
   E2-3000M2 / 21.8 GHz2.4 GHz1 MB35W>
   A4-3310MX2 / 22.1 GHz2.5 GHz2 MB45W>
   A4-3320M2 / 22 GHz2.6 GHz2 MB35W>
   A4-3330MX (L2 1MB)2 / 22.3 GHz2.6 GHz1 MB45W>
   A4-3330MX2 / 22.2 GHz2.6 GHz2 MB45W>
   A8-3520M4 / 41.6 GHz2.5 GHz4 MB35W>
   A8-3510MX4 / 41.8 GHz2.5 GHz4 MB45W>
   A8-3530MX4 / 41.9 GHz2.6 GHz4 MB45W>
   A8-3550MX4 / 42 GHz2.7 GHz4 MB45W>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the A6-3400M
 • Click on the >  icon to compare any CPU in the table with the AMD A6-3400M (Javascript required).
 • List of related CPUs is not complete.

Pictures (2)

2012-02-28 09:13:20
Posted by: Sergey Kolpakov

2014-05-08 12:44:37
Posted by: Neon

Comments (23)

You're welcome to post suggestions, corrections, your own personal AMD A6-3400M review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.


2011-08-02 22:10:49
Posted by: STEVE


A beast

2011-09-11 12:52:23
Posted by: Arrowslinger

I was looking for a light gaming lap top boy was I surprised!


2011-09-26 00:12:55
Posted by: Zack

Terrible processor my 8 month old intel i3 370m beats it on most benchmarks

vs i3-2310

2011-09-29 09:48:40
Posted by: Guest

"Terrible processor my 8 month old intel i3 370m beats it on most benchmarks"

It is because a Terrible user don't know how to use K10stat to explore this CPU potential.

After used K10stat, even i3-2310 can win A6-3400m only in memory benchmark .

vs i3-2310


2011-10-01 23:32:30
Posted by: Roberto

True, most benchmarks, not all... And the difference is not that big between them to call the A6-3400m "terrible".

Besides, compare the laptop offers for the A6 and the i3 M370, for the A6 you can get a Gateway NV55S04u or a Toshiba Satellite for $425 - $500... for the i3 M470 I'm seeing the prices range between $600 - $850...

From the way you wrote that I'm speculating you might have been expecting "good results" for the A6 in gaming? While the A6 3400m is aimed for medium performance laptops (not meant for gaming), it can still play most recent games (2011) at good FPS setting the games to low graphic settings, and for a $400/$500 laptop offer I say that's a pretty good trait...

Not bad at all!

2011-10-06 21:15:06
Posted by: lulu

If your look at the Windows 7 WEI, it does better than most out there.
If you are editing video or doing a lot of multi-layer photo work, your probably will not be using a laptop.
As for gaming, it handles Deus EX at 1280x720 just fine.
Cheap, but does quite well.

This Processor

2011-10-26 17:51:35
Posted by: Timothy Coppock

Is awesom got it overclocked in my laptop to 2.7ghz and kept under the thermal all the intel i3 series in all tests boo ya

Best budget Laptop

2011-10-27 12:53:17
Posted by: Bonabnz

I'm using Asus A43TA A6-3400M with 1GB Radeon 6720G2.

WEI score (based score par w/ Dell Vostro 3450 i5 2410 w/ Radeon 6630):
-Processor: 6.6
-Memory: 5.9
-Graphics: 5.3 (based score)
-Gaming Graphics: 6.1
-Harddisk Performance: 5.9

You should try this notebook, the 6 cells battery could get 3 hours with "Entertainment power setting" and up to 4 hours with "Battery Saving power setting" (internet and office activity).

See Review on this site http://

Uninformed people!

2011-11-12 22:03:26
Posted by: JC Warpspeed Technologies

This APU is FASTER than the Intel i7-2600 Google it for yourselves. You have no idea what you are talking about. It out performs Intel on EVERY gaming benchmark which is real life usage generally. So you kids go ahead and run your benchmarks designed to be run on Intel cores and We the adults...will simply smoke your cores to death in every game out there! Nice try Intel...but Your toast! Your going to have to buy nvidia to even get close! bye bye Intel!!


2011-11-29 21:19:45
Posted by: b.m.

JC Warpspeed Technologies, the core i7 includes 2, 4 and 6 core types, exactly which number of cores are you specifying, and also, are you talking about the sandy bridge models?


2011-12-14 19:28:10
Posted by: ultrakill

intel cpu's are much faster with a dedicated gpu these apu's arent even fast enough to use there integrated gpu to full potential there is no comparison to intel hd graphics the apus are a millions times faster but an intel i3-i5-i7 with a dedicated gpu will eat an apu for breakfast lunch dinner and midnight snack i am not a "fanboy" as some may call it i do own an apu and an intel proc w/dedicated and the comment i see about "little boys" and adults/men is retarded these apu's are meant for people on a budget for people who cant afford a more expensive laptop with a dedicated gpu and the k10stat bs no one that isnt a moron would even overclock there laptop with limited budget cooling ive seen most of these laptops that these amd cpus come in there horrible and cheap with spraypainted clearcoat trackpads bendy flexy chassis and what not cheap as cheap can be sorry to blow anyones bubble


2011-12-26 00:37:15
Posted by: Darren

K10 stat just lets all 4 cores run in the turbo mode. AMD have made the processor so that it usually runs only 2 cores in turbo mode or all 4 at base speed. They were generous with the voltages too so this can be achieved at a lower voltage than standard therefore having no increase in temperature.

So this is not an overclock but more a removal of the safety protocols of AMD which were un-needed in the first place.

I hope Santa brought you some punctuation for Christmas.

Too funny.

2011-12-31 13:05:05
Posted by: Happy Himitsu

I am guessing by the comments that nearly everyone here (especially the guy saying "you kids go ahead and...") is under 20 years of age with the mentality of a 15 year old.
The fellow above me is wrong. K10Stat doesn't just remove limitations. It removes them and then some. How do I know this? Because I have my sabine set to hit 3.0 on all cores with a slight voltage boost when it hits turbo.
Did it show any improvement in real world application? Yes. How much? I gain 5-7 fps in Skyrim and about 10 playing dead island. I can run both dead island and skyrim smoothly (albeit on low settings for skyrim, medium for dead island) at these clocks so I would have to say for a combo apu that is not too bad at all! AND running at 3 ghz on all 4 cores does not put my temps over 55ish at the worst of times, w/stock. :p NYAAAH. (ok, now I'm the one who sounds 15 :p)

AMD A6- Series A6-3400

2012-01-02 19:29:22
Posted by: sandman

I played games on this core that will not play on better grade computers & with the Radeon 6520 graphics the games look hd grade a great com. Can not be beat. Not a kid. Oit tech.


2012-01-16 19:57:09
Posted by: chris

this amd is great


Amazing high-value laptop processor

2012-02-13 19:59:07
Posted by: Joe

I bought a 14-inch Toshiba laptop, it's working like a champ. Only downside, it seems to not have drivers available yet for Linux, tried both Ubuntu 11.10 & Mint 12, they seem to not know how to handle this processor and GPU yet.


2012-02-25 12:22:42
Posted by: charlie scene

i have an Intel i7-2760QM and the lowest frquency it runs is 2.4 GHz. When my turbo boost activates it goes to around 3.4GHz. I also have an nvidia video card.I CAN SMOKE ALL OF U GUYS!!!!! INTEL RULES!!!!

APU crossfire

2012-05-10 10:59:01
Posted by: Mike

maybe an intel with a dedicated card is better then an APU. but how about an APU with an dedicated video card with crossfire(dual graphisc). I think is better then an intel + dedicated graphics :D

Not a gamer, just small business...

2012-06-15 00:13:07
Posted by: Jeff

I just want a computer to operate some Microsoft Office software and some company sales presentations. I am confused by all the tech talk so simply hoping this processor will work ok for me.

RE: Not a gamer, just small business...

2012-07-13 13:09:32
Posted by: Anonymous

It will work just fine for that!

How to get the best gaming experience

2014-02-19 01:49:23
Posted by: Saish

Hey guys I have a AMD Radeon(TM) HD 6520G on my AMD A-6 3420 processor, I am a gaming enthusiast and have a Samsung laptop . The gaming performance is decent , however if i play the same game on an Nvidia Graphic card on my freinds laptop , mine seems sluggish .I am not talking about lags or frames getting stuck , but the overall gameplay is not smooth , i can feel the sluggishness while playing graphic intensive games like Wolfentein, COD etc

Though the games are playable , I would really like to know how to fine tweak the settings on the card to get high performance gaming without compromising a great deal on the graphic level

To the guy that said something about crossfire

2014-04-26 13:35:42
Posted by: Leo

I have a HP DV6 6170 notebook winch is this processor + dedicated HD6770. It's factory configuration was set as a crossfire, and I noticed that some games (like L4D) run slower than it should with this dedicated card (around 28fps). after some research, I managed to turn off the crossfire, and now, using the A6 as only a processor, letting the graphics job to the discrete card, i get more than 50fps while playing L4D.

The cause of it: The dedicated card is a LOT faster than the APU, but the APU was set as the master card while the dedicated one was the slave, so, to follow the master, my dedicated card was actually slowing itself down so it didn't overflow the APU buffer!

Dual Channel

2014-07-01 02:00:05
Posted by: DrTiCore

If you need more performance out of this APU, add another stick of RAM to run in dual channel, integrated video card will see boost in performance about 30%

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