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AMD A10-Series A10-7850K - AD785KXBI44JA / AD785KXBJABOX

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AMD A10-7850K specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD A10-Series
Model number  ? A10-7850K
CPU part numbers
  • AD785KXBI44JA is an OEM/tray microprocessor
  • AD785KXBJABOX is a boxed microprocessor
Frequency  ? 3700 MHz
Turbo frequency4000 MHz
Package906-pin lidded micro-PGA package
SocketSocket FM2+
Size1.57" x 1.57" / 4cm x 4cm
Introduction dateJanuary 14, 2014
Price at introduction$173
 
Architecture / Microarchitecture
MicroarchitectureSteamroller
Processor core  ? Kaveri
Core stepping  ? KV-A1
Manufacturing process0.028 micron
2.41 billion transistors
Die size245mm2
Data width64 bit
The number of cores4
The number of threads4
Floating Point UnitIntegrated
Level 1 cache size  ? 2 x 96 KB 3-way set associative shared instruction caches
4 x 16 KB 4-way set associative data caches
Level 2 cache size  ? 2 x 2 MB 16-way set associative shared caches
Level 3 cache sizeNone
MultiprocessingUniprocessor
Features
  • MMX instructions
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSSE3 / Supplemental Streaming SIMD Extensions 3
  • SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 
  • SSE4a  ? 
  • AES / Advanced Encryption Standard instructions
  • ABM / Advanced Bit Manipulation  ? 
  • AVX / Advanced Vector Extensions
  • BMI1 / Bit Manipulation instructions 1
  • F16C / 16-bit Floating-Point conversion instructions
  • FMA3 / 3-operand Fused Multiply-Add instructions
  • FMA4 / 4-operand Fused Multiply-Add instructions
  • TBM / Trailing Bit Manipulation instructions
  • XOP / eXtended Operations instructions
  • AMD64 / AMD 64-bit technology  ? 
  • VT / Virtualization technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • Turbo Core 3.0 technology
Low power featuresPowerNow!
 
Integrated peripherals / components
Integrated graphics
  • GPU Type: Radeon R7 series
    Shader cores: 512
    Base frequency (MHz): 720
    The number of supported displays: 4
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR3-2133
    Maximum memory bandwidth (GB/s): 34.1
Other peripherals
  • PCI Express 3.0
  • Unified Video Decoder 4.0
  • Video Coding Engine 2.0
  • TrueAudio accelerator
 
Electrical / Thermal parameters
Maximum operating temperature  ? 72.4°C
Thermal Design Power  ? 95 Watt
 
Notes on AMD A10-7850K
  • The processor has unlocked clock multiplier
  • The processor has the following security, data protection and/or software features: AMD Face Login, Gesture Control, Quick Stream and StartNow technology.
  • The CPU is compatible with DirectX 11.2 API.
  • The graphics unit has the following software features enabled: AMD Eyefinity technology, Perfect Picture HD, Screen Mirror, Steady Video and Wireless Display.

Popular A10-7850K comparisons:

Detailed side-by-side comparison

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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: A10-7850K, AD785KXBI44JA, AMD A10-Series 3.7GHz, Kaveri Socket FM2+


Historical price chart

The chart below shows official prices of AMD A10-Series A10-6800K and A10-7850K processors:

Historical official prices of A10-Series A10-6800K and A10-7850K processors

FAQ

Q: Can I upgrade my A10-7850K processor?
A: No. This CPU is the fastest for Socket FM2+.

A10-7850K Overclocking

Sorry, overclocking information is not available at this time.


Related news stories

AMD A10-7700K and A10-7850K APUs now available
Jan 16, 2014: New AMD "Kaveri" processors, that were announced last week at CES show in Las Vegas, have been launched. The first two retail models are A10-7700K and A10-7850K, both boasting 4 "Steamroller" CPU cores and HSA-enabled Radeon R7 graphics. Furthermore, AMD introduced A8-7600 quad-core model with 65 Watt and 45 Watt TDP. The A10-7700K and A10-7850K are available in stores now. The boxes come with a free coupon for Battle Field 4 PC game. The A8-7600 has an official price of $119, and it will be available later in Q1 2014.



AMD announced A10-7700K and A10-7850K Kaveri APUs
Jan 10, 2014: AMD this week formally introduced Kaveri products, and published details of their performance and features. Forthcoming "Kaveri" A10-7700K and A10-7850K processors, that will be available in less than a week, will combine two new pieces of technology: "Steamroller" CPUs cores with enhanced per-clock performance, and R7 series GCN graphics unit, which comes with such innovative technologies as Heterogeneous System Architecture (HSA) and Mantle programming interface.



Bits and pieces: more details on AMD Kaveri APUs
Jan 03, 2014: In the next two weeks, AMD is expected to launch new Steamroller architecture, that should boost the CPU performance of AMD Accelerated Processing Units (APUs). The first products, that will make use of the microarchitecture, will be desktop "Kaveri" processors, which will combine up to 4 "SteamrollerB" CPU cores and R7 series graphics on a chip. The specs of two known desktop Kaveri APUs were published about a month ago. According to them, A10-7700K and A10-7850K will have 4 CPU cores, 4 MB L2 cache, no L3 cache, and 10% lower operating frequencies than their "Richland" predecessors.



Pre-order prices of upcoming AMD Kaveri and Richland APUs
Dec 07, 2013: AMD is getting ready to launch in January two Kaveri Accelerated Processing Units, that, by some reports, should boost both CPU and GPU performance by up to 20% - 30% compared to A10-6000 series APUs. Model numbers and specifications of new Kaveri processors emerged last week, and the A10-7700K and A10-7850K chips are now available for pre-order in US. Based on the pre-order prices, the processors are $12 - $34 more expensive than boxed A10-6800K products. What's more, unheard of before A4-6320 and A6-6420K dual-core APUs are also available for pre-order.



First AMD Kaveri APUs detailed: A10-7700K and A10-7850K
Dec 04, 2013: Last month AMD announced some features and a launch schedule of the next generation of Accelerated Units, codenamed Kaveri. More details on these processors surfaced last week, when Prohardver.hu published several slides with specifications of A10-7700K and A10-7850K models. Future APUs are not clocked as high as their predecessors, however they are better optimized for CPU, GPU and compute intensive tasks, owing it to newer microarchitecture, the latest R7 series graphics unit, and hUMA (heterogeneous Uniform Memory Architecture) support.



AMD "Kaveri" APUs to launch on January 14
Nov 12, 2013: AMD "Kaveri" core is one of the most anticipated AMD products next year, partly because it is based on a new "Steamroller" microarchitecture, which is expected to fix shortcomings of Bulldozer/Piledriver processors and improve CPU performance, and partly because it will support Heterogeneous System Architecture (HSA), expected to boost GPGPU performance. "Kaveri" chips were previously reported to become available in February 2014. Yesterday AMD revealed exact launch date, as well as a model number of the flagship desktop Kaveri APU.



CPU ID information for the A10-7850K

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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 A10-Series A10-7850k CPU.

Manufacturer:AMD
CPU Family:A10-Series
Model Number:A10-7850k
Frequency:4200 MHz
Part number:
AD785KXBI44JA
Stepping Code:1
Comment:Stock frequency 3700 MHz, Socket FM2+
Submitted by:agent00skid
General information
Vendor:AuthenticAMD
Processor name (BIOS):AMD A10-7850K APU with Radeon(TM) R7 Graphics
Cores:4
Compute units:2
Logical processors:4
Processor type:Original OEM Processor
Core stepping:KV-A1
CPUID signature:630F01
Family:21 (015h)
Model:48 (030h)
Stepping: 1 (01h)
Socket:AM3+

Cache: L1 data L1 instruction L2
Size: 4 x 16 KB 2 x 96 KB 2 x 2 MB
Associativity: 4-way set
associative
3-way set
associative
16-way set
associative
Line size: 64 bytes 64 bytes 64 bytes
Comments: Direct-mapped Direct-mapped
1 cache per 2 cores
Non-inclusive
Direct-mapped
1 cache per 2 cores
 
Instruction set extensionsAdditional instructions
MMX Advanced Bit manipulation
AMD extensions to MMX CLFLUSH
SSE CMOV
SSE2 CMPXCHG16B
SSE3 CMPXCHG8B
SSSE3 FXSAVE/FXRSTORE
SSE4A MONITOR/MWAIT
SSE4.1 PCLMULDQ
SSE4.2 POPCNT
AES PREFETCH/PREFETCHW
AVX RD/WR FSGSBASE instructions
BMI1 RDTSCP
F16C SKINIT/STGI support
FMA SYSCALL/SYSRET
FMA4 SYSENTER/SYSEXIT
TBM XSAVE/XRESTORE states
XOP XSETBV/XGETBV are enabled
 
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
  Lightweight profiling support
  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
  Support for NRIP save
  THERMTRIP
  TSC rate is ensured to be invariant across all states
  Temperature sensor
  Time stamp counter
  Translation Cache Extension
  Virtual 8086-mode enhancements
  Watchdog timer support

CPUs, related to AMD A10-7850K

Model Cores /
Threads
Frequency Turbo
frequency
L2
cache
TDP Features Price  
AMD A10-Series family, Socket FM2+
   A10-7700K4 / 43.4 GHz3.8 GHz4 MB95WUnlock$152>
   A10-78004 / 43.5 GHz3.9 GHz4 MB65WUnlock >
   A10-7850K4 / 43.7 GHz4 GHz4 MB95WUnlock$173 
Other families, Steamroller micro-architecture, Socket FM2+
   A6-7400K2 / 23.5 GHz3.9 GHz1 MB65WUnlock >
   A8-76004 / 43.1 GHz3.8 GHz4 MB65WUnlock$119>
 • 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 A10-7850K
 • Click on the >  icon to compare any CPU in the table with the AMD A10-7850K (Javascript required).
 • The 'Price' column shows official AMD prices as of Apr 9, 2014. Prices for obsolete and tray-only processors are not provided.
 • Features abbreviations:
Unlock - Unlocked multiplier

Pictures (2)

AMD A10-7850K CPU
2014-01-18 00:25:59
Posted by: Particle

This CPU is a sample obtained via the retail channel (Newegg) on 2014-01-14 for $180. The picture shows it socketed into a Gigabyte GA-F2A88XN-WIFI.
AMD A10-7850K CPU
 
2014-01-28 10:59:43
Posted by: ginncorvus

Retail box of A10-7850K boxed
 
Comments (4)

You're welcome to post suggestions, corrections, your own personal AMD A10-7850K review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

Memory Controler

2014-01-16 16:30:17
Posted by:

In that page is 2133Mhz but it is DDR3 2400Mhz !!!

Response: Officially it supports DDR3-2133, and all official AMD tests were also done with DDR3-2133 memory.

GPU

2014-01-28 07:05:03
Posted by: Bart

This GPU will be simply called Radeon R7 for all of new Kaveris? Not like for instance HD 8670D in A10-6700?

Response: Yes, it's called Radeon R7 series

AMD A10-7850K supports DDR3-2400 and DDR3-2666

2014-02-25 11:01:58
Posted by: Richard

AMD A10-7850K APU supports DDR3-2400 and even takes advantage of DDR3-2666 when overclocked.

Also, the HSA and Mantle technologies and optimisations really take this APU to new heights. This really is the beginning of a new era in midrange computing and AMD A10-7850K is undoubtedly the best desktop APU today.

Mantle alone gives between 50% and 300% increase in productivity, over DirectX 11.

Graphics and also overall gaming and other applications productivity rises dramatically when AMD A10-7850K is combined with DDR3-2400 - it gains up to 25%+ gaming productivity without overclocking it.

This APU can also be maxed up to 4.5 GHz, supporting DDR3-2666 when overclocked.

 

2014-07-05 11:11:40
Posted by: kagoem

This thing rocks.. If you wanna build a decent onboard ghrapic performance, go for amd kaveri 7850k. I play most games on this apu with good fps. I'm very satisfied pired it with msi a88x g45 gaming, it's fast, good performance, not hot apu and of course budget friendly.

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