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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5-1650 v3 @ 3.50GHz vs Intel Core i7-6900K @ 3.20GHz vs Intel Core i7-5820K @ 3.30GHz vs Intel Core i7-6800K @ 3.40GHz

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 Xeon E5-1650 v3 @ 3.50GHz×Intel Core i7-6900K @ 3.20GHz×Intel Core i7-5820K @ 3.30GHz×Intel Core i7-6800K @ 3.40GHz+ ADD
Price $138.51 - BUY $160 - BUY $120 - BUY $133.2 - BUY
Socket TypeLGA2011-v3FCLGA2011-3LGA2011-v3LGA2011-v3
CPU ClassServerDesktopDesktopDesktop
Clockspeed3.5 GHz3.2 GHz3.3 GHz3.4 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.0 GHzUp to 3.6 GHzUp to 3.8 GHz
# of Physical Cores6 (Threads: 12)8 (Threads: 16)6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 512KB, L2: 2.0MB, L3: 20MBL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 15MB
TDP140W140W140W140W
Yearly Running Cost$25.55$25.55$25.55$25.55
Other
First Seen on ChartQ4 2014Q2 2016Q3 2014Q2 2016
# of Samples100249947721728
CPU Value75.390.782.180.7
Single Thread Rating(% diff. to max in group)2124(-9.0%)2335(0.0%)2000(-14.3%)2271(-2.7%)
CPU Mark(% diff. to max in group)10424(-28.2%)14517(0.0%)9854(-32.1%)10754(-25.9%)

CPU Mark Rating
As of 29th of March 2024 - Higher results represent better performance
Intel Xeon E5-1650 v3 @ 3.50GHz
10,424
Intel Core i7-6900K @ 3.20GHz
14,517
Intel Core i7-5820K @ 3.30GHz
9,854
Intel Core i7-6800K @ 3.40GHz
10,754
CPU Value (CPU Mark / $Price)
As of 29th of March 2024 - Higher results represent better value
Intel Xeon E5-1650 v3 @ 3.50GHz
75.3
Intel Core i7-6900K @ 3.20GHz
90.7
Intel Core i7-5820K @ 3.30GHz
82.1
Intel Core i7-6800K @ 3.40GHz
80.7
CPU Single Thread Rating
As of 29th of March 2024 - Higher results represent better performance
Intel Xeon E5-1650 v3 @ 3.50GHz
2,124
Intel Core i7-6900K @ 3.20GHz
2,335
Intel Core i7-5820K @ 3.30GHz
2,000
Intel Core i7-6800K @ 3.40GHz
2,271

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 Xeon E5-1650 v3 @ 3.50GHzIntel Core i7-6900K @ 3.20GHzIntel Core i7-5820K @ 3.30GHzIntel Core i7-6800K @ 3.40GHz
Max TDP140W140W140W140W
Power consumption per day (kWh)NANANANA
Running cost per dayNANANANA
Power consumption per year (kWh)NANANANA
Running cost per yearNANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.