Xeon Gold 6438N vs EPYC 7453

Primary Details

Comparing EPYC 7453 and Xeon Gold 6438N processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	104	97
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	8.68	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Milan (2021)	Sapphire Rapids
Release date	15 March 2021 (3 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$1,570	no data
Current price	$3467 (2.2x MSRP)	no data

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Detailed Specifications

EPYC 7453 and Xeon Gold 6438N 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	28 (Octacosa-Core)	32 (Dotriaconta-Core)
Threads	56	64
Base clock speed	2.75 GHz	2 GHz
Boost clock speed	3.45 GHz	3.6 GHz
L1 cache	64 KB (per core)	80K (per core)
L2 cache	512 KB (per core)	2 MB (per core)
L3 cache	64 MB (shared)	60 MB
Chip lithography	7 nm+	Intel 7 nm
Die size	4x 81 mm2	no data
Maximum core temperature	no data	85 °C
Maximum case temperature (TCase)	no data	85 °C
Number of transistors	16,600 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7453 and Xeon Gold 6438N 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	2
Socket	SP3	FCLGA4677
Power consumption (TDP)	225 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7453 and Xeon Gold 6438N. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, 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	+
Status	no data	Launched

Security technologies

EPYC 7453 and Xeon Gold 6438N technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7453 and Xeon Gold 6438N 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 7453 and Xeon Gold 6438N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-4800, DDR5-4400
Maximum memory size	4 TiB	4 TB
Max memory channels	no data	8
Maximum memory bandwidth	204.795 GB/s	no data
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by EPYC 7453 and Xeon Gold 6438N.

PCIe version	4.0	5
PCI Express lanes	128	80

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 Gold 6438N outperforms EPYC 7453 by 4% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	32.19	33.60
Recency	15 March 2021	10 January 2023
Physical cores	28	32
Threads	56	64
Power consumption (TDP)	225 Watt	205 Watt

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Should you still have questions on choice between EPYC 7453 and Xeon Gold 6438N, ask them in Comments section, and we shall answer.

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