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AMD EPYC 7742 vs Ryzen 9 9950X

The AMD Ryzen 9 9950X is newer than AMD EPYC 7742, while AMD EPYC 7742 is around 5% faster in multi-threaded (CPU Mark) testing, but AMD Ryzen 9 9950X is significantly faster in single-thread testing. However, AMD EPYC 7742 uses around 28% more power. 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 1828 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 Ryzen 9 9950X+ ADD
Price $1649.95 - BUY $528 - BUY
Socket TypeSP3AM5
CPU ClassServerDesktop
Clockspeed2.3 GHz4.3 GHz
Turbo SpeedUp to 3.4 GHzUp to 5.7 GHz
# of Physical Cores64 (Threads: 128)16 (Threads: 32)
CacheL1: 384KB, L2: 3.0MB, L3: 1,536MBL1: 1,280KB, L2: 16.0MB, L3: 64MB
TDP225W170W
Yearly Running Cost$41.06$31.03
Other
First Seen on ChartQ3 2019Q3 2024
# of Samples221806
CPU Value42.4125.6
Single Thread Rating(% diff. to max in group)2112(-55.5%)4742(0.0%)
CPU Mark(% diff. to max in group)69879(0.0%)66317(-5.1%)

CPU Mark Rating
As of 31st of March 2025 - Higher results represent better performance
AMD EPYC 7742
69,879
AMD Ryzen 9 9950X
66,317
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 31st of March 2025 - Higher results represent better value
AMD EPYC 7742
42.4
AMD Ryzen 9 9950X
125.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 31st of March 2025 - Higher results represent better performance
AMD EPYC 7742
2,112
AMD Ryzen 9 9950X
4,742
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.
AMD EPYC 7742 AMD Ryzen 9 9950X
Max TDP225W170W
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.