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AMD Athlon II X4 651 Quad- vs Intel i5-660

The AMD Athlon II X4 651 Quad-Core is newer than Intel Core i5-660 @ 3.33GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i5-660 @ 3.33GHz is around 10% faster in single-thread testing. However, AMD Athlon II X4 651 Quad-Core uses around 31% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 490 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 651 Quad-Core×Intel Core i5-660 @ 3.33GHz+ ADD
Price Search Online $149.95 - BUY
Socket TypeFM1LGA1156
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.3 GHz
Turbo SpeedNot SupportedUp to 3.6 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 512KB, L2: 4.0MB, L1: 128KB, L2: 0.5MB, L3: 4MB
TDP100W73W
Yearly Running Cost$18.25$13.32
Other
First Seen on ChartQ1 2012Q4 2009
# of Samples109381
CPU Value16.716.1
Single Thread Rating(% diff. to max in group)1287(-10.1%)1432(0.0%)
CPU Mark(% diff. to max in group)2500(0.0%)2411(-3.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
AMD Athlon II X4 651 Quad-Core
2,500
Intel Core i5-660 @ 3.33GHz
2,411
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
AMD Athlon II X4 651 Quad-Core
16.7
Intel Core i5-660 @ 3.33GHz
16.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
AMD Athlon II X4 651 Quad-Core
1,287
Intel Core i5-660 @ 3.33GHz
1,432
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 651 Quad-Core Intel Core i5-660 @ 3.33GHz
Max TDP100W73W
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.