Xeon w7-3455 vs Ryzen 9 3950X

Place in the ranking	206	92
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.03	41.68
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Power efficiency	21.98	12.88
Architecture codename	Matisse (Zen 2) (2019−2020)	Sapphire Rapids (2023−2024)
Release date	14 November 2019 (5 years ago)	15 February 2023 (1 year ago)
Launch price (MSRP)	$799	$2,489

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w7-3455 has 131% better value for money than Ryzen 9 3950X.

Detailed specifications

Ryzen 9 3950X and Xeon w7-3455 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)	24 (Tetracosa-Core)
Threads	32	48
Base clock speed	3.5 GHz	2.5 GHz
Boost clock speed	4.7 GHz	4.8 GHz
L1 cache	96K (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	64 MB	67.5 MB
Chip lithography	7 nm, 12 nm	Intel 7 nm
Die size	2 x 72 mm + 125 mm (IO-Die) mm²	4x 477 mm²
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	19,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 3950X and Xeon w7-3455 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
Socket	AM4	FCLGA4677
Power consumption (TDP)	105 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Xeon w7-3455. 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® SSE4.1, Intel® AMX, Intel® SSE4.2, 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	-	+
Turbo Boost Max 3.0	no data	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Ryzen 9 3950X and Xeon w7-3455 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3950X and Xeon w7-3455 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 3950X and Xeon w7-3455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR5-4800
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	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3950X and Xeon w7-3455.

PCIe version	no data	5.0
PCI Express lanes	no data	112

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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 24.39

Xeon w7-3455 36.76
+50.7%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 3950X 38735

Xeon w7-3455 58393
+50.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 9 3950X 1732

Xeon w7-3455 1848
+6.7%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 9 3950X 10801

Xeon w7-3455 13513
+25.1%

Gaming performance

Pros & cons summary

Performance score	24.39	36.76
Recency	14 November 2019	15 February 2023
Physical cores	16	24
Threads	32	48
Power consumption (TDP)	105 Watt	270 Watt

Ryzen 9 3950X has 157.1% lower power consumption.

Xeon w7-3455, on the other hand, has a 50.7% higher aggregate performance score, an age advantage of 3 years, and 50% more physical cores and 50% more threads.

The Xeon w7-3455 is our recommended choice as it beats the Ryzen 9 3950X in performance tests.

Note that Ryzen 9 3950X is a desktop processor while Xeon w7-3455 is a server/workstation one.

Should you still have questions on choice between Ryzen 9 3950X and Xeon w7-3455, ask them in Comments section, and we shall answer.