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AMD Ryzen 5 PRO 7645 vs Intel Xeon E-2456

The Intel Xeon E-2456 is newer than AMD Ryzen 5 PRO 7645 and is around -25% slower in multi-threaded (CPU Mark) testing. The Intel Xeon E-2456 is around -10% slower in single-thread testing. Also, Intel Xeon E-2456 uses around 21% more power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Server. Consider, selecting CPUs from simliar CPU Class for more apt comparison. The values below were tabulated from a combined 944 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 Ryzen 5 PRO 7645×Intel Xeon E-2456+ ADD
Price Search Online Search Online
Socket TypeAM5 (LGA 1718)FCLGA1700
CPU ClassDesktop, ServerServer
Clockspeed3.8 GHz3.3 GHz
Turbo SpeedUp to 5.1 GHzUp to 5.1 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 6.0MB, L3: 32MBNA2
TDP65W80W
Yearly Running Cost$11.86$14.60
Other
First Seen on ChartQ2 2023Q1 2024
# of Samples91925
CPU Rank597890
CPU Value61.755.3
Single Thread Rating(% diff. to max in group)3954(0.0%)3543(-10.4%)
CPU Mark(% diff. to max in group)27565(0.0%)20723(-24.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 9th of March 2026 - Higher results represent better performance
AMD Ryzen 5 PRO 7645
27,565
Intel Xeon E-2456
20,723
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 9th of March 2026 - Higher results represent better value
AMD Ryzen 5 PRO 7645
61.7
Intel Xeon E-2456
55.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 9th of March 2026 - Higher results represent better performance
AMD Ryzen 5 PRO 7645
3,954
Intel Xeon E-2456
3,543
PassMark Software © 2008-2026
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 Ryzen 5 PRO 7645 Intel Xeon E-2456
Max TDP65W80W
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.