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AMD Athlon II X4 651 Quad- vs Intel i3-2125

The AMD Athlon II X4 651 Quad-Core is newer than Intel Core i3-2125 @ 3.30GHz also around 14% faster in multi-threaded (CPU Mark) testing, but Intel Core i3-2125 @ 3.30GHz is around 19% faster in single-thread testing. However, AMD Athlon II X4 651 Quad-Core uses around 42% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 217 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 i3-2125 @ 3.30GHz+ ADD
Price Search Online Search Online
Socket TypeFM1LGA1155
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 512KB, L2: 4.0MB, L1: 128KB, L2: 0.5MB, L3: 3MB
TDP100W65W
Yearly Running Cost$18.25$11.86
Other
First Seen on ChartQ1 2012Q3 2011
# of Samples111106
CPU Value16.313.5
Single Thread Rating(% diff. to max in group)1271(-19.2%)1573(0.0%)
CPU Mark(% diff. to max in group)2443(0.0%)2090(-14.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 31st of March 2025 - Higher results represent better performance
AMD Athlon II X4 651 Quad-Core
2,443
Intel Core i3-2125 @ 3.30GHz
2,090
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 31st of March 2025 - Higher results represent better value
AMD Athlon II X4 651 Quad-Core
16.3
Intel Core i3-2125 @ 3.30GHz
13.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 31st of March 2025 - Higher results represent better performance
AMD Athlon II X4 651 Quad-Core
1,271
Intel Core i3-2125 @ 3.30GHz
1,573
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 i3-2125 @ 3.30GHz
Max TDP100W65W
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.