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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon 1640B vs Athlon 64 3700+

The AMD Athlon 1640B is newer than AMD Athlon 64 3700+, while the multi-threaded (CPU Mark) is simliar, AMD Athlon 1640B is around 6% faster in single-thread testing. However, AMD Athlon 1640B uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 126 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 1640B×AMD Athlon 64 3700++ ADD
Price Search Online Search Online
Socket TypeAM2939
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 0.5MB, L1: 128KB, L2: 1.0MB,
TDP45W89W
Yearly Running Cost$8.21$16.24
Other
First Seen on ChartQ2 2009Q4 2008
# of Samples18108
CPU Value8.24.4
Single Thread Rating(% diff. to max in group)4623(0.0%)4353(-6.0%)
CPU Mark(% diff. to max in group)412(0.0%)394(-4.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Athlon 1640B
412
AMD Athlon 64 3700+
394
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
AMD Athlon 1640B
8.2
AMD Athlon 64 3700+
4.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Athlon 1640B
462
AMD Athlon 64 3700+
435
PassMark Software © 2008-2025
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 1640B AMD Athlon 64 3700+
Max TDP45W89W
Power consumption per day (kWh)0.090.18
Running cost per day$0.022$0.044
Power consumption per year (kWh)32.965.0
Running cost per year$8.21$16.24
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.