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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-990X @ 3.47GHz vs Intel Xeon X5680 @ 3.33GHz vs Intel Core i7-6700K @ 4.00GHz

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.
×Intel Core i7-990X @ 3.47GHz×Intel Xeon X5680 @ 3.33GHz×Intel Core i7-6700K @ 4.00GHz+ ADD
Price $175 - BUY $23.99 - BUY $134.99 - BUY
Socket TypeLGA1366LGA1366LGA1151
CPU ClassDesktopServerDesktop
Clockspeed3.5 GHz3.3 GHz4.0 GHz
Turbo SpeedUp to 3.7 GHzUp to 3.6 GHzUp to 4.2 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 384KB, L2: 1.5MB, L3: 12MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W130W95W
Yearly Running Cost$23.73$23.73$17.34
Other
First Seen on ChartQ1 2011Q2 2010Q3 2015
# of Samples44028316190
CPU Value40.6285.466.2
Single Thread Rating(% diff. to max in group)1579(-37.0%)1533(-38.8%)2506(0.0%)
CPU Mark(% diff. to max in group)7106(-20.5%)6846(-23.4%)8935(0.0%)

CPU Mark Rating
As of 29th of March 2024 - Higher results represent better performance
Intel Core i7-990X @ 3.47GHz
7,106
Intel Xeon X5680 @ 3.33GHz
6,846
Intel Core i7-6700K @ 4.00GHz
8,935
CPU Value (CPU Mark / $Price)
As of 29th of March 2024 - Higher results represent better value
Intel Core i7-990X @ 3.47GHz
40.6
Intel Xeon X5680 @ 3.33GHz
285.4
Intel Core i7-6700K @ 4.00GHz
66.2
CPU Single Thread Rating
As of 29th of March 2024 - Higher results represent better performance
Intel Core i7-990X @ 3.47GHz
1,579
Intel Xeon X5680 @ 3.33GHz
1,533
Intel Core i7-6700K @ 4.00GHz
2,506

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.
Intel Core i7-990X @ 3.47GHzIntel Xeon X5680 @ 3.33GHzIntel Core i7-6700K @ 4.00GHz
Max TDP130W130W95W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.