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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD A8-3870K APU vs AMD Phenom II X4 975

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 A8-3870K APU×AMD Phenom II X4 975+ ADD
Price Search Online Search Online
Socket TypeFM1AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 4.0MB, L1: 512KB, L2: 2.0MB, L3: 6MB
TDP100W125W
Yearly Running Cost$18.25$22.81
Other
First Seen on ChartQ4 2011Q1 2011
# of Samples598205
CPU Value33.936.2
Single Thread Rating(% diff. to max in group)1208(-10.6%)1350(0.0%)
CPU Mark(% diff. to max in group)2309(-8.9%)2536(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of July 2024 - Higher results represent better performance
AMD A8-3870K APU
2,309
AMD Phenom II X4 975
2,536
CPU Value (CPU Mark / $Price)
As of 21st of July 2024 - Higher results represent better value
AMD A8-3870K APU
33.9
AMD Phenom II X4 975
36.2
CPU Single Thread Rating
As of 21st of July 2024 - Higher results represent better performance
AMD A8-3870K APU
1,208
AMD Phenom II X4 975
1,350

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 A8-3870K APUAMD Phenom II X4 975
Max TDP100W125W
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.