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AMD Athlon II X4 640 vs Athlon II X4 631 Quad-

The AMD Athlon II X4 631 Quad-Core is newer than AMD Athlon II X4 640, while AMD Athlon II X4 640 is around 5% faster in multi-threaded (CPU Mark) testing, it is around 8% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2020 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Athlon II X4 640×AMD Athlon II X4 631 Quad-Core+ ADD
Price $11.99 - BUY Search Online
Socket TypeAM3FM1
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L3: 6MBL1: 512KB, L2: 4.0MB,
TDP95W100W
Yearly Running Cost$17.34$18.25
Other
First Seen on ChartQ2 2010Q3 2011
# of Samples1793227
CPU Value187.2172.4
Single Thread Rating(% diff. to max in group)1212(0.0%)1115(-8.0%)
CPU Mark(% diff. to max in group)2245(0.0%)2122(-5.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of November 2024 - Higher results represent better performance
AMD Athlon II X4 640
2,245
AMD Athlon II X4 631 Quad-Core
2,122
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 28th of November 2024 - Higher results represent better value
AMD Athlon II X4 640
187.2
AMD Athlon II X4 631 Quad-Core
172.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 28th of November 2024 - Higher results represent better performance
AMD Athlon II X4 640
1,212
AMD Athlon II X4 631 Quad-Core
1,115
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Athlon II X4 640 AMD Athlon II X4 631 Quad-Core
Max TDP95W100W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.