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Intel Xeon Silver 4123 vs AMD EPYC 7251

The AMD EPYC 7251 is newer than Intel Xeon Silver 4123 @ 3.00GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, AMD EPYC 7251 uses around 13% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 8 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 Silver 4123 @ 3.00GHz×AMD EPYC 7251+ ADD
Price Search Online $964.22 - BUY
Socket TypeNA2SP3
CPU ClassServerServer
Clockspeed3.0 GHz2.1 GHz
Turbo SpeedUp to 3.2 GHzUp to 2.9 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 256KB, L2: 4.0MB, L3: 11MBL1: 768KB, L2: 4.0MB, L3: 32MB
TDP105W120W
Yearly Running Cost$19.16$21.90
Other
First Seen on ChartQ1 2018Q1 2018
# of Samples17
CPU Value0.015.5
Single Thread Rating(% diff. to max in group)1967(0.0%)1671(-15.0%)
CPU Mark(% diff. to max in group)14405(-3.6%)14935(0.0%)
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 22nd of June 2025 - Higher results represent better performance
Intel Xeon Silver 4123 @ 3.00GHz
14,405
AMD EPYC 7251
14,935
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 22nd of June 2025 - Higher results represent better value
Intel Xeon Silver 4123 @ 3.00GHz
NA
AMD EPYC 7251
15.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 22nd of June 2025 - Higher results represent better performance
Intel Xeon Silver 4123 @ 3.00GHz
1,967
AMD EPYC 7251
1,671
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 Silver 4123 @ 3.00GHz AMD EPYC 7251
Max TDP105W120W
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.