Xeon w9-3495X vs EPYC 7H12

Primary details

Comparing EPYC 7H12 and Xeon w9-3495X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	38	18
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	22.23	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Zen 2 (2019−2020)	Sapphire Rapids
Release date	18 September 2019 (4 years ago)	1 January 2023 (1 year ago)
Current price	$1970	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7H12 and Xeon w9-3495X 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 cores	64 (Tetrahexaconta-Core)	56 (Hexapentaconta-Core)
Threads	128	112
Base clock speed	2.6 GHz	1.9 GHz
Boost clock speed	3.3 GHz	4.8 GHz
L1 cache	96K (per core)	80K (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	256 MB (shared)	105 MB
Chip lithography	7 nm, 14 nm	Intel 7 nm
Die size	192 mm2	4x 477 mm2
Maximum core temperature	no data	81 °C
Maximum case temperature (TCase)	no data	81 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on EPYC 7H12 and Xeon w9-3495X 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 configuration	2 (Multiprocessor)	1
Socket	TR4	FCLGA4677
Power consumption (TDP)	280 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Xeon w9-3495X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Launched

Security technologies

EPYC 7H12 and Xeon w9-3495X technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7H12 and Xeon w9-3495X are enumerated here.

AMD-V	+	no data
VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Xeon w9-3495X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5-4800
Maximum memory size	4 TiB	4 TB
Max memory channels	8	8
Maximum memory bandwidth	204.763 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by EPYC 7H12 and Xeon w9-3495X.

PCIe version	no data	5.0
PCI Express lanes	no data	112

Synthetic benchmark performance

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

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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.

Xeon w9-3495X outperforms EPYC 7H12 by 27% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	45.02	57.35
Recency	18 September 2019	1 January 2023
Physical cores	64	56
Threads	128	112
Power consumption (TDP)	280 Watt	350 Watt

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Should you still have questions on choice between EPYC 7H12 and Xeon w9-3495X, ask them in Comments section, and we shall answer.

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