EPYC 7662 vs Xeon Silver 4208

Primary details

Comparing Xeon Silver 4208 and EPYC 7662 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	919	35
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	23.51	no data
Market segment	Server	Server
Series	Intel Xeon Silver	AMD EPYC
Architecture codename	Cascade Lake (2019−2020)	Zen 2 (2019−2020)
Release date	2 April 2019 (5 years ago)	19 February 2020 (4 years ago)
Launch price (MSRP)	$417	no data
Current price	$254 (0.6x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Silver 4208 and EPYC 7662 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	8 (Octa-Core)	64 (Tetrahexaconta-Core)
Threads	16	128
Base clock speed	2.1 GHz	2 GHz
Boost clock speed	3.2 GHz	3.3 GHz
L1 cache	512 KB	4 MB
L2 cache	8 MB	32 MB
L3 cache	11 MB	256 MB
Chip lithography	14 nm	7 nm, 14 nm
Maximum core temperature	78 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Silver 4208 and EPYC 7662 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)	no data
Socket	FCLGA3647	Socket SP3
Power consumption (TDP)	85 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and EPYC 7662. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Silver 4208 and EPYC 7662 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4208 and EPYC 7662 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 Xeon Silver 4208 and EPYC 7662. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-3200
Maximum memory size	1 TB	4 TiB
Max memory channels	6	8
Maximum memory bandwidth	115.212 GB/s	204.763 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and EPYC 7662.

PCIe version	3.0	no data
PCI Express lanes	48	no data

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 Silver 4208 by 543% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	7.31	46.97
Recency	2 April 2019	19 February 2020
Physical cores	8	64
Threads	16	128
Chip lithography	14 nm	7 nm
Power consumption (TDP)	85 Watt	225 Watt

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Should you still have questions on choice between Xeon Silver 4208 and EPYC 7662, ask them in Comments section, and we shall answer.

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