Xeon Platinum 8444H vs EPYC 7662

Primary details

Comparing EPYC 7662 and Xeon Platinum 8444H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	35	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Zen 2 (2019−2020)	Sapphire Rapids
Release date	19 February 2020 (4 years ago)	10 January 2023 (1 year ago)

Detailed specifications

EPYC 7662 and Xeon Platinum 8444H 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)	16 (Hexadeca-Core)
Threads	128	32
Base clock speed	2 GHz	2.9 GHz
Boost clock speed	3.3 GHz	4 GHz
L1 cache	4 MB	80K (per core)
L2 cache	32 MB	2 MB (per core)
L3 cache	256 MB	45 MB
Chip lithography	7 nm, 14 nm	Intel 7 nm
Die size	no data	4x 477 mm2
Maximum core temperature	no data	72 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	No	No

Compatibility

Information on EPYC 7662 and Xeon Platinum 8444H 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	no data	8
Socket	Socket SP3	FCLGA4677
Power consumption (TDP)	225 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7662 and Xeon Platinum 8444H. 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 7662 and Xeon Platinum 8444H 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 7662 and Xeon Platinum 8444H 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 Platinum 8444H. 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	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 Platinum 8444H.

PCIe version	no data	5.0
PCI Express lanes	no data	80

Pros & cons summary

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Recency	19 February 2020	10 January 2023
Physical cores	64	16
Threads	128	32
Power consumption (TDP)	225 Watt	270 Watt

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Should you still have questions on choice between EPYC 7662 and Xeon Platinum 8444H, ask them in Comments section, and we shall answer.

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