Xeon E7-8855 v4 vs Ryzen 9 5950X

Primary details

Comparing Ryzen 9 5950X and Xeon E7-8855 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	159	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	26.37	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Power efficiency	25.86	no data
Architecture codename	Vermeer (Zen 3) (2020−2022)	no data
Release date	8 October 2020 (4 years ago)	1 April 2016 (8 years ago)
Launch price (MSRP)	$799	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 5950X and Xeon E7-8855 v4 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)	14 (Tetradeca-Core)
Threads	32	28
Base clock speed	3.4 GHz	2.1 GHz
Boost clock speed	4.9 GHz	2.8 GHz
Bus rate	no data	8 GT/s
Multiplier	34	no data
L1 cache	1 MB	no data
L2 cache	8 MB	no data
L3 cache	64 MB	35 MB
Chip lithography	7 nm, 12 nm	14 nm
Die size	CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2	no data
Maximum core temperature	no data	73 °C
Maximum case temperature (TCase)	95 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 5950X and Xeon E7-8855 v4 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	8
Socket	AM4	FCLGA2011
Power consumption (TDP)	105 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5950X and Xeon E7-8855 v4. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	Intel® AVX2
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
PAE	no data	46 Bit
Precision Boost 2	+	no data

Security technologies

Ryzen 9 5950X and Xeon E7-8855 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5950X and Xeon E7-8855 v4 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 5950X and Xeon E7-8855 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	128 GB	3 TB
Max memory channels	2	4
Maximum memory bandwidth	51.196 GB/s	102 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5950X and Xeon E7-8855 v4.

PCIe version	4.0	3.0
PCI Express lanes	no data	32

Pros & cons summary

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Recency	8 October 2020	1 April 2016
Physical cores	16	14
Threads	32	28
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 5950X and Xeon E7-8855 v4, ask them in Comments section, and we shall answer.

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