Xeon Gold 6338 vs EPYC 7662

General info

Comparing EPYC 7662 and Xeon Gold 6338 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	35	211
Place by popularity	not in top-100	not in top-100
Value for money	no data	19.21
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Zen 2 (2019−2020)	no data
Release date	19 February 2020 (4 years old)	1 April 2021 (3 years old)
Current price	no data	$1890

Value for money

Performance per price, higher is better.

Technical specs

EPYC 7662 and Xeon Gold 6338 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)	32 (Dotriaconta-Core)
Threads	128	64
Base clock speed	2 GHz	2 GHz
Boost clock speed	3.3 GHz	3.2 GHz
L1 cache	4 MB	no data
L2 cache	32 MB	no data
L3 cache	256 MB	48 MB
Chip lithography	7 nm, 14 nm	10 nm
Maximum core temperature	no data	81 °C
64 bit support	+	-
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on EPYC 7662 and Xeon Gold 6338 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.

Socket	Socket SP3	FCLGA4189
Power consumption (TDP)	225 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7662 and Xeon Gold 6338. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	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 7662 and Xeon Gold 6338 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7662 and Xeon Gold 6338 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 7662 and Xeon Gold 6338. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4-3200
Maximum memory size	4 TiB	6 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 7662 and Xeon Gold 6338.

PCIe version	no data	4.0
PCI Express lanes	no data	64

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.

EPYC 7662 outperforms Xeon Gold 6338 by 117% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	47.87	22.08
Recency	19 February 2020	1 April 2021
Physical cores	64	32
Threads	128	64
Chip lithography	7 nm	10 nm
Power consumption (TDP)	225 Watt	205 Watt

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Should you still have questions on choice between EPYC 7662 and Xeon Gold 6338, ask them in Comments section, and we shall answer.

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