AMD Athlon II X4 640 - ADX640WFK42GM / ADX640WFGMBOX & AMD &
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AMD Athlon II X4 640 specifications
The specs can be used for short-term listings on auction and classifieds sites
Detailed side-by-side comparison
For detailed comparision of the AMD Athlon II X4 640 and any other other chip from our CPU database
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Here are some examples of searches: ADX640WFK42GM, AMD Athlon II X4 3GHz, Propus 95 Watt, K10 4 cores 4 threads, 0.045 micron 2 MB noGPU
Historical price chart
The chart below shows official prices of AMD Athlon II X4 635, 638, 640, 641 and 645 processors:
Q: I have an AMD Athlon II X4 640 CPU. Can I upgrade it?
A: Probably yes. Processor compatibility is determined by your motherboard. Please check
resource for CPU support list for your board.
Athlon II X4 640 Overclocking
Sorry, overclocking information is not available at this time.
Related news stories
AMD drops prices of Athlon II and A-Series processors
Nov 06, 2012: Last month DigiTimes reported on upcoming price reductions of
older generation of AMD APUs. According to their sources, AMD was
going to reduce prices of socket FM1 processors by as much as 35%.
Yesterday AMD updated their official price list, and posted new prices
of A-Series microprocessors, however the cuts were not as big as
AMD drops prices of Athlon II and A-Series processors
Nov 06, 2012: Last month DigiTimes reported on upcoming price reductions of
older generation of AMD APUs. According to their sources, AMD was
going to reduce prices of socket FM1 processors by as much as 35%.
Yesterday AMD updated their official price list, and posted new prices
of A-Series microprocessors, however the cuts were not as big as
AMD drops prices on full line of desktop CPUs
May 03, 2011: As you may already know, today AMD launched Phenom II X4 980
flagship model, as well as a few desktop processors from Athlon II and
Phenom II families. At the same time, AMD dropped prices on existing
desktop CPUs. As a matter of fact, every Athlon II and Phenom II
desktop model was reduced in price on average by 11.6%.
Athlon II lineup refresh
May 11, 2010: Today AMD introduced six new Athlon II microprocessors. These include 45 Watt low power dual-, triple- and quad-core Athlon IIs, 65 Watt standard power Athlon II X2s, and 95 Watt standard power triple- and quad-core Athlon II CPUs.
Prices of upcoming Athlon II CPUs
May 07, 2010: We posted news today regarding pre-order prices for upcoming Intel Core i5-655K and Core i7-875K microprocessors. But it gets even better. We just discovered that forthcoming Athlon II processors are also available for pre-order on Provantage website.
AMD Athlon II X4 640 Benchmarks and Performance evaluation
Compare AMD Athlon II X4 640 benchmark results with all tested CPUs from one of the following families:
A10-Series
Athlon II X2
Athlon II X3
Athlon II X4
Core 2 Extreme
Core 2 Quad
Core i5 Mobile
Phenom II Quad-Core Mobile
Phenom II X2
Phenom II X3
Phenom II X4
Phenom II X6
Phenom II XLT
You can also compare this model with other tested CPUs in our
For Athlon II X4 640 charts, comparing multi- and single-threaded performance of this
microprocessor with other Athlon II X4 processors and the fastest AMD and Intel x86 chips,
please visit
For averaged performance in integer, floating-point, SIMD and memory-intensive applications please see the next section.
Integer, Floating-Point, SIMD and Memory performance
The graphs below show up to 10 microprocessors with
approximately the same level of performance in integer (CPU),
floating-point (FPU), SIMD and memory
benchmarks. 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.
Benchmarked processor:
CPU ID:0F53h
CPU vendor string:AuthenticAMD
CPU name string:AMD Athlon(tm) II X4 640 Processor
Integer performance
Floating Point performance
MMX / SSE / SSE2 performance
Memory-intensive program performance
CPU ID information for the Athlon II X4 640
Detailed characteristics of processor's internals, including x86
instruction set extensions and individual instructions, high- and low-level
technologies, are listed below. This list was acquired from an actual
AMD Athlon II X4 640 processor with the help of the x86 CPUID instruction. Any
discrepancies between CPUID features and official specifications are
likely due to some features being disabled in BIOS, or due to a bug in
our CPUID decoding algorithm.
Our CPUID database contains 17 records for this microprocessor. .
to check features of your processor.
Submission details
Manufacturer:AMDMeasured frequency:3600 MHz
CPU Family:Athlon II X4Comment:Overclocked to 4040 Mhz works steadily
Model Number:640&
Part number (supplied):ADX640WFK42GMSubmitted by:qwedoox
Part number (guessed):ADX640WFK42GMSubmitted on:
Stepping Code:CWID version:0.5
General information
Vendor:AuthenticAMD
Processor name (BIOS):AMD Athlon(tm) II X4 640 Processor
Logical processors:4
Processor type:Original OEM Processor
Core stepping:BL-C3
CPUID signature:100F53
Family:16 (010h)
Model: 5 (05h)
Stepping: 3 (03h)
Socket:AM2+ and/or AM3
Cache details
Supported instructions
Integrated features and technologies
CPUs, related to AMD Athlon II X4 640
The list of related CPUs does not include all models. For the complete list, please see the
Cores /Threads
AMD Athlon II X4 family, Socket AM2+ / Socket AM3
&& 4 / 42.2 GHz&&&&&
&& 4 / 42.3 GHz&&&&&
&& 4 / 42.3 GHz&&&&&
&& 4 / 42.4 GHz&&&&&
&& 4 / 42.5 GHz&&&&&
&& 4 / 42.6 GHz&&&&&
&& 4 / 42.6 GHz&&&&&
&& 4 / 42.8 GHz&&&&&
&& 4 / 42.8 GHz&&&&&
&& 4 / 42.9 GHz&&&&&
&& 4 / 42.9 GHz&&&&&
&& Athlon II X4 6404 / 43 GHz&&&&&
&& 4 / 43 GHz&&&&&
&& 4 / 43.1 GHz&&&&&
&& 4 / 43.2 GHz&&&&&
AMD Athlon II X4 family, K10 micro-architecture, Other sockets
&& 4 / 42.8 GHz&&&&&
&& 4 / 43 GHz&&&&&
&& 4 / 43 GHz&&&&&
Other families, K10 micro-architecture, Socket AM2+ / Socket AM3
&& 1 / 12 GHz&&&&&
&& 2 / 22.3 GHz&&&&&
&& 2 / 22.5 GHz&&&&&
&& 2 / 23.5 GHz&6 MB&&&
&& 2 / 23.6 GHz&&&&&
&& 4 / 43.7 GHz&6 MB&&&
&& 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 Athlon II X4 640
&& Click on the & icon to compare any CPU in the table with the AMD Athlon II X4 640 (Javascript required).
&& Features abbreviations:
Unlock - Unlocked multiplier
Pictures (7)
Posted by: gshv
Posted by: gshv
Posted by: gshv
New revision of the box, that essentially stayed the same with the exception of part number / model / serial number labels. The box itself doesn't have any information, that identifies included Athlon II CPU, and all CPU-specific information is now on the seal. The seal has the following: UPC code, AMD hologram, model number, brief specifications, box part number, and processor's serial number.
Posted by: gshv
Front view.
Posted by: gshv
CPU-Z screenshot
Posted by: gshv
Bottom view
Posted by: gshv
Top view. The processor has CADHC AD stepping code. It was manufactured in the second half of February 2010.
Comments (4)
You're welcome to post suggestions, corrections, missing information,
your own personal AMD Athlon II X4 640 review, or your experience with the microprocessor.
For all other questions please proceed to the
Posted by: Inspector Exacto
Posted by: Yang
Posted by: Vitex
Posted by: Orlando
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