Ryzen 9 7950X3D vs Xeon Silver 4108

Place in the ranking	1138	68
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.00	53.48
Market segment	Server	Desktop processor
Series	Intel Xeon Silver	AMD Ryzen 9
Power efficiency	6.25	31.04
Architecture codename	Skylake (server) (2017−2019)	Raphael (Zen4) (2022−2023)
Release date	11 July 2017 (7 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$417	$699

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7950X3D has 791% better value for money than Xeon Silver 4108.

Detailed specifications

Xeon Silver 4108 and Ryzen 9 7950X3D 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	1.8 GHz	4.2 GHz
Boost clock speed	3 GHz	5.7 GHz
Bus rate	no data	64K (per core)
Multiplier	18	no data
L1 cache	512 KB	1024 KB
L2 cache	8 MB	16 MB
L3 cache	11 MB	128 MB (shared)
Chip lithography	14 nm	5 nm, 6 nm
Die size	no data	71+71+122 mm
Maximum core temperature	77 °C	89 °C
Maximum case temperature (TCase)	no data	47 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Silver 4108 and Ryzen 9 7950X3D 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	2 (Multiprocessor)	1
Socket	FCLGA3647	AM5
Power consumption (TDP)	85 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4108 and Ryzen 9 7950X3D. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512F, FMA3, SHA, XFR2, Precision Boost 2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	-	no data
Precision Boost 2	no data	+

Security technologies

Xeon Silver 4108 and Ryzen 9 7950X3D technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4108 and Ryzen 9 7950X3D 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 Xeon Silver 4108 and Ryzen 9 7950X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR5-5200
Maximum memory size	768 GB	128 GB
Max memory channels	6	no data
Maximum memory bandwidth	115.212 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4108 and Ryzen 9 7950X3D.

PCIe version	3.0	5.0
PCI Express lanes	48	24

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.

Xeon Silver 4108 5.72

Ryzen 9 7950X3D 40.10
+601%

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.

Xeon Silver 4108 8909

Ryzen 9 7950X3D 62503
+602%

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.

Xeon Silver 4108 837

Ryzen 9 7950X3D 2930
+250%

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.

Xeon Silver 4108 4394

Ryzen 9 7950X3D 19699
+348%

Gaming performance

Pros & cons summary

Performance score	5.72	40.10
Recency	11 July 2017	4 January 2023
Physical cores	8	16
Threads	16	32
Chip lithography	14 nm	5 nm
Power consumption (TDP)	85 Watt	120 Watt

Xeon Silver 4108 has 41.2% lower power consumption.

Ryzen 9 7950X3D, on the other hand, has a 601% higher aggregate performance score, an age advantage of 5 years, 100% more physical cores and 100% more threads, and a 180% more advanced lithography process.

The Ryzen 9 7950X3D is our recommended choice as it beats the Xeon Silver 4108 in performance tests.

Be aware that Xeon Silver 4108 is a server/workstation processor while Ryzen 9 7950X3D is a desktop one.

Should you still have questions on choice between Xeon Silver 4108 and Ryzen 9 7950X3D, ask them in Comments section, and we shall answer.