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AMD Athlon II X4 645 vs Intel i5-650

The AMD Athlon II X4 645 is newer than Intel Core i5-650 @ 3.20GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i5-650 @ 3.20GHz is around 8% faster in single-thread testing. However, AMD Athlon II X4 645 uses around 26% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3664 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 645×Intel Core i5-650 @ 3.20GHz+ ADD
Price $59.99 - BUY Search Online
Socket TypeAM3LGA1156
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L1: 128KB, L2: 0.5MB, L3: 4MB
TDP95W73W
Yearly Running Cost$17.34$13.32
Other
First Seen on ChartQ4 2010Q1 2010
# of Samples6213043
CPU Value39.630.9
Single Thread Rating(% diff. to max in group)1259(-7.8%)1365(0.0%)
CPU Mark(% diff. to max in group)2373(0.0%)2258(-4.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Athlon II X4 645
2,373
Intel Core i5-650 @ 3.20GHz
2,258
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
AMD Athlon II X4 645
39.6
Intel Core i5-650 @ 3.20GHz
30.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Athlon II X4 645
1,259
Intel Core i5-650 @ 3.20GHz
1,365
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 II X4 645 Intel Core i5-650 @ 3.20GHz
Max TDP95W73W
Power consumption per day (kWh)0.190.15
Running cost per day$0.048$0.036
Power consumption per year (kWh)69.353.3
Running cost per year$17.34$13.32
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.