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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5-2640 vs Xeon E3-1270 v6 vs i5-8600K

The CPUs selected in this comparison belong in different CPU Classes: Server, Desktop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 3651 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.

×Intel Xeon E5-2640 @ 2.50GHz×Intel Xeon E3-1270 v6 @ 3.80GHz×Intel Core i5-8600K @ 3.60GHz+ ADD
Price Search Online $719.95 - BUY Search Online
Socket TypeLGA2011FCLGA1151FCLGA1151-2
CPU ClassServerServerDesktop
Clockspeed2.5 GHz3.8 GHz3.6 GHz
Turbo SpeedUp to 3.0 GHzUp to 4.2 GHzUp to 4.3 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)6 (Threads: 6)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 256KB, L2: 1.0MB, L3: 8MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP95W72W95W
Yearly Running Cost$17.34$13.14$17.34
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2012Q2 2017Q4 2017
# of Samples2521273272
CPU Value86.012.30.0
Single Thread Rating(% diff. to max in group)1344(-48.0%)2447(-5.2%)2582(0.0%)
CPU Mark(% diff. to max in group)6280(-38.2%)8877(-12.7%)10166(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of April 2025 - Higher results represent better performance
Intel Xeon E5-2640 @ 2.50GHz
6,280
Intel Xeon E3-1270 v6 @ 3.80GHz
8,877
Intel Core i5-8600K @ 3.60GHz
10,166
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of April 2025 - Higher results represent better value
Intel Xeon E5-2640 @ 2.50GHz
86.0
Intel Xeon E3-1270 v6 @ 3.80GHz
12.3
Intel Core i5-8600K @ 3.60GHz
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of April 2025 - Higher results represent better performance
Intel Xeon E5-2640 @ 2.50GHz
1,344
Intel Xeon E3-1270 v6 @ 3.80GHz
2,447
Intel Core i5-8600K @ 3.60GHz
2,582
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.
Intel Xeon E5-2640 @ 2.50GHz Intel Xeon E3-1270 v6 @ 3.80GHz Intel Core i5-8600K @ 3.60GHz
Max TDP95W72W95W
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.