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AMD EPYC 7742 vs EPYC 7543P

The AMD EPYC 7543P is newer than AMD EPYC 7742, while the multi-threaded (CPU Mark) is simliar, AMD EPYC 7543P is around 22% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 47 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.

×AMD EPYC 7742×AMD EPYC 7543P+ ADD
Price $1649.95 - BUY $1269.99 - BUY
Socket TypeSP3SP3
CPU ClassServerServer
Clockspeed2.3 GHz2.8 GHz
Turbo SpeedUp to 3.4 GHzUp to 3.7 GHz
# of Physical Cores64 (Threads: 128)32 (Threads: 64)
CacheL1: 384KB, L2: 3.0MB, L3: 1,536MBL1: 2,048KB, L2: 16.0MB, L3: 256MB
TDP225W225W
Yearly Running Cost$41.06$41.06
Other
First Seen on ChartQ3 2019Q3 2021
# of Samples2126
CPU Value42.452.5
Single Thread Rating(% diff. to max in group)2126(-22.4%)2741(0.0%)
CPU Mark(% diff. to max in group)70007(0.0%)66687(-4.7%)

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD EPYC 7742
70,007
AMD EPYC 7543P
66,687
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD EPYC 7742
42.4
AMD EPYC 7543P
52.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD EPYC 7742
2,126
AMD EPYC 7543P
2,741
PassMark Software © 2008-2024
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.
AMD EPYC 7742 AMD EPYC 7543P
Max TDP225W225W
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.