Xeon Gold 6426Y vs Ryzen 9 3950X

Primary details

Comparing Ryzen 9 3950X and Xeon Gold 6426Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	178	160
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	16.61	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Architecture codename	Matisse (Zen 2) (2019−2020)	Sapphire Rapids
Release date	14 November 2019 (4 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$799	no data
Current price	$1108 (1.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 3950X and Xeon Gold 6426Y 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)	16 (Hexadeca-Core)
Threads	32	32
Base clock speed	3.5 GHz	2.5 GHz
Boost clock speed	4.7 GHz	4.1 GHz
L1 cache	96K (per core)	80K (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	64 MB	37.5 MB
Chip lithography	7 nm	Intel 7 nm
Die size	2 x 72 mm + 125 mm (IO-Die) mm2	no data
Maximum core temperature	no data	80 °C
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	19,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 3950X and Xeon Gold 6426Y 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 (Uniprocessor)	2
Socket	AM4	FCLGA4677
Power consumption (TDP)	105 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Xeon Gold 6426Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
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

Ryzen 9 3950X and Xeon Gold 6426Y 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 3950X and Xeon Gold 6426Y 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 Ryzen 9 3950X and Xeon Gold 6426Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR5-4800, DDR5-4400
Maximum memory size	128 GB	4 TB
Max memory channels	no data	8
Maximum memory bandwidth	51.196 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3950X and Xeon Gold 6426Y.

PCIe version	no data	5
PCI Express lanes	no data	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 6426Y outperforms Ryzen 9 3950X by 7% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	25.07	26.91
Recency	14 November 2019	10 January 2023
Power consumption (TDP)	105 Watt	185 Watt

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Should you still have questions on choice between Ryzen 9 3950X and Xeon Gold 6426Y, ask them in Comments section, and we shall answer.

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