Xeon Gold 6438Y vs Ryzen 9 7950X

Primary details

Comparing Ryzen 9 7950X and Xeon Gold 6438Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	67	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	21.97	no data
Architecture codename	Raphael (Zen 4) (2022)	no data
Release date	27 September 2022 (2 years ago)	1 January 2023 (1 year ago)

Detailed specifications

Ryzen 9 7950X and Xeon Gold 6438Y 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	16 (Hexadeca-Core)	32 (Dotriaconta-Core)
Threads	32	64
Base clock speed	4.5 GHz	2 GHz
Boost clock speed	5.7 GHz	4 GHz
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	64 MB (shared)	60 MB
Chip lithography	5 nm	Intel 7 nm
Die size	CCD = 2x 70 sq. mm, I/O = 122 mm2	no data
Maximum core temperature	95 °C	76 °C
Maximum case temperature (TCase)	47 °C	no data
Number of transistors	13140 Million	no data
64 bit support	+	-
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 7950X and Xeon Gold 6438Y 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	1	no data
Socket	AM5	FCLGA4677
Power consumption (TDP)	170 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7950X and Xeon Gold 6438Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	CCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	-
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Ryzen 9 7950X and Xeon Gold 6438Y 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 Ryzen 9 7950X and Xeon Gold 6438Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7950X and Xeon Gold 6438Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-5200	DDR5-4800, DDR5-4400
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon Graphics (Ryzen 7000) (400 - 2200 MHz)

no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7950X and Xeon Gold 6438Y.

PCIe version	5.0	5
PCI Express lanes	24	80

Pros & cons summary

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Recency	27 September 2022	1 January 2023
Physical cores	16	32
Threads	32	64
Power consumption (TDP)	170 Watt	205 Watt

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Should you still have questions on choice between Ryzen 9 7950X and Xeon Gold 6438Y, ask them in Comments section, and we shall answer.

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