Xeon w9-3475X vs EPYC 7643

VS

Aggregate performance score

EPYC 7643
2021
48 cores / 96 threads, 225 Watt
47.88
+16.3%
Xeon w9-3475X
2023
36 cores / 72 threads, 300 Watt
41.18

EPYC 7643 outperforms Xeon w9-3475X by a moderate 16% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7643 and Xeon w9-3475X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3860
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation6.7127.39
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency20.1412.99
Architecture codenameMilan (2021−2023)Sapphire Rapids (2023−2024)
Release date12 January 2021 (3 years ago)15 February 2023 (1 year ago)
Launch price (MSRP)$4,995$3,739

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w9-3475X has 308% better value for money than EPYC 7643.

Detailed specifications

EPYC 7643 and Xeon w9-3475X 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 cores48 (Octatetraconta-Core)36
Threads9672
Base clock speed2.3 GHz2.2 GHz
Boost clock speed3.6 GHz4.8 GHz
Multiplier23no data
L1 cache3 MB80 KB (per core)
L2 cache24 MB2 MB (per core)
L3 cache256 MB (shared)82.5 MB
Chip lithography7 nm+Intel 7 nm
Die size8x 81 mm24x 477 mm2
Maximum case temperature (TCase)no data74 °C
Number of transistors33,200 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on EPYC 7643 and Xeon w9-3475X 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 configuration21
SocketSP3FCLGA4677
Power consumption (TDP)225 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7643 and Xeon w9-3475X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

EPYC 7643 and Xeon w9-3475X technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7643 and Xeon w9-3475X are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7643 and Xeon w9-3475X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800
Maximum memory size4 TiB4 TB
Max memory channelsno data8
Maximum memory bandwidth204.795 GB/sno data
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7643 and Xeon w9-3475X.

PCIe version4.05.0
PCI Express lanes128112

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 7643 47.88
+16.3%
Xeon w9-3475X 41.18

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 7643 76050
+16.3%
Xeon w9-3475X 65413

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

EPYC 7643 1292
Xeon w9-3475X 1896
+46.7%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

EPYC 7643 12182
Xeon w9-3475X 15840
+30%

Gaming performance

Pros & cons summary


Performance score 47.88 41.18
Recency 12 January 2021 15 February 2023
Physical cores 48 36
Threads 96 72
Power consumption (TDP) 225 Watt 300 Watt

EPYC 7643 has a 16.3% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, and 33.3% lower power consumption.

Xeon w9-3475X, on the other hand, has an age advantage of 2 years.

The EPYC 7643 is our recommended choice as it beats the Xeon w9-3475X in performance tests.


Should you still have questions on choice between EPYC 7643 and Xeon w9-3475X, ask them in Comments section, and we shall answer.

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AMD EPYC 7643
EPYC 7643
Intel Xeon w9-3475X
Xeon w9-3475X

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Community ratings

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Questions & comments

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