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AMD Athlon II X4 638 Quad- vs Intel i5-650

The AMD Athlon II X4 638 Quad-Core 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 15% faster in single-thread testing. However, Intel Core i5-650 @ 3.20GHz uses around 12% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3038 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 638 Quad-Core×Intel Core i5-650 @ 3.20GHz+ ADD
Price Search Online $73 - BUY
Socket TypeFM1LGA1156
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 512KB, L2: 4.0MB, L1: 128KB, L2: 0.5MB, L3: 4MB
TDP65W73W
Yearly Running Cost$11.86$13.32
Other
First Seen on ChartQ2 2015Q1 2010
# of Samples73031
CPU Value36.030.9
Single Thread Rating(% diff. to max in group)1158(-15.2%)1365(0.0%)
CPU Mark(% diff. to max in group)2260(0.0%)2257(-0.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of March 2025 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
2,260
Intel Core i5-650 @ 3.20GHz
2,257
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 12th of March 2025 - Higher results represent better value
AMD Athlon II X4 638 Quad-Core
36.0
Intel Core i5-650 @ 3.20GHz
30.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 12th of March 2025 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
1,158
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 638 Quad-Core Intel Core i5-650 @ 3.20GHz
Max TDP65W73W
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.