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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 945 vs AMD Phenom II X4 840

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 Phenom II X4 945×AMD Phenom II X4 840+ ADD
Price $20.11 - BUY $20.11 - BUY
Socket TypeAM3AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L3: 6MBL1: 512KB, L2: 2.0MB,
Max TDP125W95W
Yearly Running Cost$22.81$17.34
Other
First Seen on ChartQ2 2009Q1 2011
# of Samples1580704
CPU Value115.6117.9
Single Thread Rating(% diff. to max in group)1228(-6.5%)1314(0.0%)
CPU Mark(% diff. to max in group)2325(-2.0%)2372(0.0%)

CPU Mark Rating
As of 4th of February 2023 - Higher results represent better performance
AMD Phenom II X4 945
2,325
AMD Phenom II X4 840
2,372
CPU Value (CPU Mark / $Price)
As of 4th of February 2023 - Higher results represent better value
AMD Phenom II X4 945
115.6
AMD Phenom II X4 840
117.9
CPU Single Thread Rating
As of 4th of February 2023 - Higher results represent better performance
AMD Phenom II X4 945
1,228
AMD Phenom II X4 840
1,314

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 Phenom II X4 945AMD Phenom II X4 840
Max TDP125W95W
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.