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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E3-1275 v6 vs i7-7700K vs AMD Ryzen 9 7900

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 14598 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 E3-1275 v6 @ 3.80GHz×Intel Core i7-7700K @ 4.20GHz×AMD Ryzen 9 7900+ ADD
Price $489.95 - BUY $185 - BUY $378.99 - BUY
Socket TypeFCLGA1151 LGA 1151AM5
CPU ClassServerDesktopDesktop
Clockspeed3.8 GHz4.2 GHz3.7 GHz
Turbo SpeedUp to 4.2 GHzUp to 4.5 GHzUp to 5.4 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)12 (Threads: 24)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MBL1: 768KB, L2: 12.0MB, L3: 64MB
TDP73W95W65W
Yearly Running Cost$13.32$17.34$11.86
OtherAMD Radeon Graphics
First Seen on ChartQ2 2017Q4 2016Q1 2023
# of Samples65128341699
CPU Value18.852.1128.1
Single Thread Rating(% diff. to max in group)2536(-38.8%)2711(-34.5%)4141(0.0%)
CPU Mark(% diff. to max in group)9227(-81.0%)9631(-80.2%)48540(0.0%)

CPU Mark Rating
As of 9th of April 2025 - Higher results represent better performance
Intel Xeon E3-1275 v6 @ 3.80GHz
9,227
Intel Core i7-7700K @ 4.20GHz
9,631
AMD Ryzen 9 7900
48,540
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 9th of April 2025 - Higher results represent better value
Intel Xeon E3-1275 v6 @ 3.80GHz
18.8
Intel Core i7-7700K @ 4.20GHz
52.1
AMD Ryzen 9 7900
128.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 9th of April 2025 - Higher results represent better performance
Intel Xeon E3-1275 v6 @ 3.80GHz
2,536
Intel Core i7-7700K @ 4.20GHz
2,711
AMD Ryzen 9 7900
4,141
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 E3-1275 v6 @ 3.80GHz Intel Core i7-7700K @ 4.20GHz AMD Ryzen 9 7900
Max TDP73W95W65W
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.