Ryzen 9 PRO 7945 vs EPYC 7543P

#ad 
Buy on Amazon
VS

Aggregate performance score

EPYC 7543P
2021
32 cores / 64 threads, 225 Watt
43.58
+39.5%
Ryzen 9 PRO 7945
2023
12 cores / 24 threads, 65 Watt
31.25

EPYC 7543P outperforms Ryzen 9 PRO 7945 by a substantial 39% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7543P and Ryzen 9 PRO 7945 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking54138
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation13.03no data
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency17.6643.84
Architecture codenameMilan (2021−2023)Raphael (2023−2024)
Release date12 January 2021 (3 years ago)13 June 2023 (1 year ago)
Launch price (MSRP)$2,730no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7543P and Ryzen 9 PRO 7945 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores32 (Dotriaconta-Core)12 (Dodeca-Core)
Threads6424
Base clock speed2.8 GHz3.7 GHz
Boost clock speed3.7 GHz5.4 GHz
Multiplier28no data
L1 cache2 MB64 KB (per core)
L2 cache16 MB1 MB (per core)
L3 cache256 MB (shared)64 MB (shared)
Chip lithography7 nm+5 nm
Die size8x 81 mm22x 71 mm2
Maximum case temperature (TCase)no data47 °C
Number of transistors33,200 million13,140 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on EPYC 7543P and Ryzen 9 PRO 7945 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketSP3AM5
Power consumption (TDP)225 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7543P and Ryzen 9 PRO 7945. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7543P and Ryzen 9 PRO 7945 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7543P and Ryzen 9 PRO 7945. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size4 TiBno data
Maximum memory bandwidth204.795 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by EPYC 7543P and Ryzen 9 PRO 7945.

PCIe version4.05.0
PCI Express lanes12824

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 7543P 43.58
+39.5%
Ryzen 9 PRO 7945 31.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

EPYC 7543P 66687
+39.4%
Ryzen 9 PRO 7945 47830

Gaming performance

Pros & cons summary


Performance score 43.58 31.25
Recency 12 January 2021 13 June 2023
Physical cores 32 12
Threads 64 24
Chip lithography 7 nm 5 nm
Power consumption (TDP) 225 Watt 65 Watt

EPYC 7543P has a 39.5% higher aggregate performance score, and 166.7% more physical cores and 166.7% more threads.

Ryzen 9 PRO 7945, on the other hand, has an age advantage of 2 years, a 40% more advanced lithography process, and 246.2% lower power consumption.

The EPYC 7543P is our recommended choice as it beats the Ryzen 9 PRO 7945 in performance tests.


Should you still have questions on choice between EPYC 7543P and Ryzen 9 PRO 7945, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD EPYC 7543P
EPYC 7543P
AMD Ryzen 9 PRO 7945
Ryzen 9 PRO 7945

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.7 17 votes

Rate EPYC 7543P on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.6 22 votes

Rate Ryzen 9 PRO 7945 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about EPYC 7543P or Ryzen 9 PRO 7945, agree or disagree with our judgements, or report an error or mismatch.