Xeon W-2191B vs Ryzen 9 3950X

Primary details

Comparing Ryzen 9 3950X and Xeon W-2191B processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	177	304
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	16.34	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	Intel Xeon W
Architecture codename	Matisse (Zen 2) (2019−2020)	Skylake (server) (2017−2019)
Release date	11 June 2019 (5 years ago)	5 June 2017 (7 years ago)
Launch price (MSRP)	$799	no data
Current price	$1109 (1.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 3950X and Xeon W-2191B 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)	18 (Octadeca-Core)
Threads	32	36
Base clock speed	3.5 GHz	2.3 GHz
Boost clock speed	4.7 GHz	2.3 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	1 MB	1.125 MB
L2 cache	8 MB	18 MB
L3 cache	64 MB	24.75 MB (shared)
Chip lithography	7 nm, 12 nm	14 nm
Die size	2 x 72 mm + 125 mm (IO-Die) mm2	484 mm2
Maximum case temperature (TCase)	no data	66 °C
Number of transistors	19,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 3950X and Xeon W-2191B 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)	1 (Uniprocessor)
Socket	AM4	2066
Power consumption (TDP)	105 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Xeon W-2191B. 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	no data
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
TSX	no data	+

Security technologies

Ryzen 9 3950X and Xeon W-2191B technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3950X and Xeon W-2191B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR4-2666
Maximum memory size	128 GB	512 GB
Max memory channels	no data	4
Maximum memory bandwidth	51.196 GB/s	85.33 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3950X and Xeon W-2191B.

PCIe version	no data	3.0
PCI Express lanes	no data	48

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.

Ryzen 9 3950X outperforms Xeon W-2191B by 37% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	25.07	18.30
Recency	11 June 2019	5 June 2017
Physical cores	16	18
Threads	32	36
Chip lithography	7 nm	14 nm
Power consumption (TDP)	105 Watt	140 Watt

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Should you still have questions on choice between Ryzen 9 3950X and Xeon W-2191B, ask them in Comments section, and we shall answer.

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