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AMD Sempron 140 - SDX140HBK13GQ / SDX140HBGQBOX

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Sempron 140 is the first single-core microprocessor and the first Sempron-branded processor based on the K10 microarchitecture. With 2.7 GHz clock frequency and large 1 MB level 2 cache, this processor leaves far behind all other K8-based Sempron CPUs. The Sempron 140 is even faster than almost all single-core Athlon microprocessors. The only Athlon 64 CPU that matches this Sempron, and only in a some benchmarks, is Athlon 64 LE-1660.

While the Sempron has only one core, it's in fact a dual-core Athlon II processor with one core disabled. The second core may be unlocked on some Sempron 140 microprocessors using "Advanced Clock Calibration" BIOS feature. Sempron with unlocked core is reported by CPU-Z and similar programs as "Athlon II X2 4400e Processor". Not only that, but some Sempron processors overclock really well, and may reach 3.6 - 3.7 GHz. (Disclaimer - overclocking may damage your CPU. Damage, caused by overclocking, is not covered by CPU warranty.)

AMD Sempron 140 specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD Sempron
Model number  ? 140
CPU part numbers
  • SDX140HBK13GQ is an OEM/tray microprocessor
  • SDX140HBGQBOX is a boxed microprocessor
Frequency  ? 2700 MHz
Bus speed  ? One 2000 MHz 16-bit HyperTransport link
Clock multiplier  ? 13.5
Package938-pin organic micro-PGA
AMD Package number30412
SocketsSocket AM2+
Socket AM3
Introduction dateJuly 22, 2009
Price at introduction$36
Architecture / Microarchitecture
Processor core  ? Sargas
Core stepping  ? DA-C2
Manufacturing process0.045 micron
Data width64 bit
The number of cores1
The number of threads1
Floating Point UnitIntegrated
Level 1 cache size  ? 64 KB code cache
64 KB data cache
Level 2 cache size  ? 1 MB
Cache latency3 (L1 cache)
15 (L2 cache)
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSE4a  ? 
  • ABM / Advanced Bit Manipulation  ? 
  • AMD64 / AMD 64-bit technology  ? 
  • VT / Virtualization technology  ? 
  • EVP / Enhanced Virus Protection  ? 
Low power featuresCool'n'Quiet 3.0
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR2, DDR3
Other peripheralsHyperTransport 3 technology
Electrical / Thermal parameters
V core  ? 0.825V - 1.35V
Maximum operating temperature  ? 63°C
Thermal Design Power  ? 45 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD Sempron 140 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: SDX140HBK13GQ, AMD Sempron 2.7GHz, Sargas Socket AM2+, Socket AM3

Historical price chart

The chart below shows official prices of AMD Sempron 140 processors:

Historical official prices of Sempron 140 processors


Q: Is it possible to upgrade my Sempron 140 microprocessor?
A: Probably yes. Processor compatibility is determined by your motherboard. Please check resource for CPU support list for your board.

Sempron 140 Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

AMD Sempron 180 mini-review
Sep 17, 2010: At the end of July we published preliminary specifications of Sempron 180 microprocessors. Recently, we acquired one the these Semprons, ran a series of benchmarks on it, and compared them with test results of other budget AMD and Intel CPUs. This mini-review presents partial benchmarking results and our thoughts of them, and it will be useful for those who consider buying either pre-built system with this Sempron CPU, or OEM version of this microprocessor.

Compare AMD Sempron 140 benchmark results with all tested CPUs from one of the following families:

To compare this Sempron CPU with any tested processor please proceed to

For additional benchmarks, comparing multi-threaded performance of this microprocessor with other Sempron CPUs and the fastest AMD and Intel x86 chips, please visit AMD Sempron 140 benchmarks page.

AMD Sempron 140 Benchmarks

The graphs below show up to 10 microprocessors with approximately the same level of integer (CPU), floating-point (FPU), SIMD and memory performance. All processors were not overclocked, and were tested at a nominal frequency, with a stock heatsink and default BIOS settings. Click on the '?' mark next to each model name to see specifications of that model, and details of the test platform. To find out how the Sempron 140 compares to other CPUs in specific benchmarks or in aggregate milti-threading performance please see benchmark tools section on the right.

Benchmarked processor

CPU ID:100F62
CPU vendor string:AuthenticAMD
CPU name string:AMD Sempron(tm) 140 Processor

Integer performance

Part number   Result
Intel Celeron 460  ? 
AMD Sempron 150  ? 
AMD Sempron 145  ? 
AMD Sempron 140  ? 
AMD Athlon 64 LE-1660  ? 
AMD Sempron 130 (rev. C2)  ? 
AMD Sempron 130 (rev. C3)  ? 
AMD Athlon 64 LE-1640 (rev. F3, L2 1MB)  ? 
Intel Celeron 440  ? 

Floating Point performance

Part number   Result
AMD Sempron 150  ? 
AMD Sempron 145  ? 
AMD Athlon 64 LE-1660  ? 
AMD Sempron 140  ? 
AMD Sempron 130 (rev. C2)  ? 
AMD Sempron 130 (rev. C3)  ? 
AMD Athlon 64 LE-1640 (rev. F3, L2 1MB)  ? 
AMD Athlon 64 4000+ (rev. F3)  ? 
Intel Pentium 4 560 / 560J  ? 

MMX / SSE / SSE2 performance

Part number   Result
AMD Sempron 150  ? 
AMD Sempron 145  ? 
AMD Sempron 140  ? 
Intel Pentium 4 660  ? 
Intel Pentium 4 560 / 560J  ? 
Intel Pentium 4 561  ? 
AMD Sempron 130 (rev. C3)  ? 
AMD Sempron 130 (rev. C2)  ? 

Memory-intensive program performance

Part number   Result
AMD Sempron 150  ? 
AMD Sempron 145  ? 
AMD Sempron 140  ? 
AMD Athlon 64 LE-1640 (rev. F3, L2 1MB)  ? 
AMD Sempron 130 (rev. C3)  ? 
AMD Sempron 130 (rev. C2)  ? 
AMD Athlon 64 3800+ ZDA3800IAA4CN  ? 
AMD Athlon 64 2.4GHz 1DM2400IIO415  ? 

CPU ID information for the Sempron 140

Our CPUID database contains 8 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 Sempron 140 CPU.

CPU Family:Sempron
Model Number:140
Frequency:2788 MHz
Part number:
Stepping Code:
Submitted by:
General information
Processor name (BIOS):AMD Sempron(tm) 140 Processor
Logical processors:1
Processor type:Original OEM Processor
Core stepping:DA-C2
CPUID signature:100F62
Family:16 (010h)
Model: 6 (06h)
Stepping: 2 (02h)

Cache: L1 data L1 instruction L2
Size: 64 KB 64 KB 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
PowerNow! / Cool'n'Quiet Advanced programmable interrupt controller
  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 Sempron 140

Model Cores /
Frequency L2
TDP Features Price  
AMD Sempron family, Socket AM2+ / Socket AM3
   Sempron 130 (rev. C3)1 / 12.6 GHz512 KB 45W >
   Sempron 130 (rev. C2)1 / 12.6 GHz512 KB 45W >
   Sempron 1401 / 12.7 GHz1 MB 45W$36 
   Sempron 1451 / 12.8 GHz1 MB 45W >
   Sempron 1501 / 12.9 GHz1 MB 45W >
Other families, K10 micro-architecture, Socket AM2+ / Socket AM3
   Athlon II 170u1 / 12 GHz1 MB 20W >
   Athlon X2 5200+ (0.045 micron)2 / 22.3 GHz1 MB 65W >
   Sempron X2 1902 / 22.5 GHz1 MB 45W >
   Athlon II X2 2802 / 23.6 GHz2 MB 65W$49>
   Phenom II X2 B602 / 23.5 GHz1 MB6 MB80W >
   Phenom II X2 570 BE2 / 23.5 GHz1 MB6 MB80WUnlock >
   Phenom II X3 B773 / 33.2 GHz1.5 MB6 MB95W >
   Athlon II X3 4603 / 33.4 GHz1.5 MB 95W$69>
   Athlon II X4 6504 / 43.2 GHz2 MB 95W >
   Phenom II X4 9804 / 43.7 GHz2 MB6 MB125WUnlock$163>
 • 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 Sempron 140
 • Click on the >  icon to compare any CPU in the table with the AMD Sempron 140 (Javascript required).
 • The 'Price' column shows official AMD prices as of Apr 9, 2014. Prices for obsolete and tray-only processors are not provided.
 • List of related CPUs is not complete.
 • Features abbreviations:
Unlock - Unlocked multiplier

Pictures (10)

Bottom view
2009-07-26 23:36:55
Posted by: gshv

Bottom view
AMD Sempron 140 CPU
2009-07-26 23:37:37
Posted by: gshv

AMD Sempron 140 CPU
2010-10-12 18:54:58
Posted by: gshv

CPU-Z screenshot
CPU ID 1.67
2013-11-14 16:18:08
Posted by: Ricklectric

Running a bit, just tiny bit faster on this version of CPuz
CPU ID 1.67
2014-02-23 12:02:36
Posted by: bougui

2014-02-23 12:03:20
Posted by: bougui

2014-02-23 12:03:45
Posted by: bougui

2014-02-23 12:04:19
Posted by: bougui

2014-02-23 12:04:41
Posted by: bougui

2014-02-23 12:05:04
Posted by: bougui

Comments (12)

You're welcome to post suggestions, corrections, your own personal AMD Sempron 140 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

Typo - Family: AMD K7 Sempron?

2009-07-29 14:53:53
Posted by: vernaides

You typed "AMD K7 Sempron" in "Family" instead of "AMD K10 Sempron". The link points to the correct location though.

Response: Thank you for correction! I will fix it tonight.

Unlocking Success.

2010-06-30 02:16:46
Posted by: guyz92

I have a Gigabyte GA-MA790GP-DS4H.
With Normal ACC firmware setting per core "-2".

Unlocked succesfully.

But I cannot enable C1E, Once enable it will not boot up.

Unlocked hidden core

2010-07-02 00:29:33
Posted by: Jon

The Sempron 140 can also be unlocked to restore it an Athlon II X2 state. Both chips are based on the same silicon, but the Sempron has one of its cores disabled..
I have GIGABYTE MB 'GA-MA78LM-S2H' and able to unlock 2nd core..Use 'EC FIRWARE' to Hybrid and 'ACC' to Auto..

Unlocked hidden core

Memory Controller

2010-08-08 07:40:10
Posted by: Jannis

The CPU Specs say "DDR2 Controller" but it should be DDR2/DDR3 since this in an AMD K10 and can be used in the AM3-socket

Response: It will be updated today. Thank you!

For Jon (et al)

2010-08-31 09:08:33
Posted by: Kyle B.

I read your comment regarding the settings on your Gigabyte Motherboard and can confirm that they work. I recently rebuilt a couple of my kids machines, so, on a budget, I acquired a pair of MA78LM-S2H's to see if I could unlock any on my Semprons and indeed I can. All of them did. Thanks kindly.


2011-01-30 14:50:19
Posted by: RastaMan

Beautiful processor, on my AsRock N68C-S work on fsb 300mhz!!! Of course is problem with onboard graphic card.


2011-02-14 14:16:29
Posted by: Allocco

Unlock success on GA-MA785-US2H. C1E Support - Disable , EC Firmware Selection - Hybrid, AAC - All cores AUTO.

Unlocking confirmation

2011-02-20 03:37:40
Posted by: Chocobollz

I have successfully unlocked my Sempron 140 NAEIC AE 1040MPMW using Biostar A780L3G motherboard. So far it is running stable at 3.37 GHz on stock cooler and using cheapo 2x2 GB DDR3-1333 (bought it for US$15 a piece LOL).


2011-02-24 08:54:20
Posted by: Zloduh

I have unlocked this one also on GA-78LMT-s2 it runs stable with 2 cores on 3.6ghz with stock cooler.

Asrock N68-S3 UCC

2011-03-01 07:22:03
Posted by: George Mikuchadze

I have ASRock N68-S3 UCC motherbord. After bios upgrading to p1.40 unlocked sempron 140 (now Athlon II X2 440) is working stable!

Core unlock

2012-03-11 18:16:28
Posted by: Paul green

The first one I tried would overclock with stability to 3.7ghz..On trying to unlock the 2nd core it would not boot fully into Win7 even boosting Vcore to 1.5v
The 2nd one would not unlock..and would not overclock past 3.1ghz


2012-11-27 12:50:46
Posted by: peter bostwick

just tip i found. unlock 145. i tried. worked got second core but only work on 32 bit windows. 64 bit dual core no go

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