Ryzen 9 5900X vs Xeon Platinum 8156

Primary details

Comparing Xeon Platinum 8156 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	201
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	30.74
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	AMD Ryzen 9
Power efficiency	no data	22.19
Architecture codename	Skylake (server) (2017−2019)	Vermeer (Zen3) (2020−2022)
Release date	25 April 2017 (7 years ago)	8 October 2020 (4 years ago)
Launch price (MSRP)	$7,007	$549

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8156 and Ryzen 9 5900X 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	8	24
Base clock speed	3.6 GHz	3.7 GHz
Boost clock speed	3.7 GHz	4.8 GHz
Multiplier	36	37
L1 cache	256 KB	768 KB
L2 cache	4 MB	6 MB
L3 cache	16.5 MB	64 MB
Chip lithography	14 nm	7 nm, 12 nm
Die size	no data	2x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum core temperature	71 °C	no data
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	no data	0 Million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 8156 and Ryzen 9 5900X 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	8 (Multiprocessor)	1
Socket	FCLGA3647	AM4
Power consumption (TDP)	105 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8156 and Ryzen 9 5900X. 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, FMA3, SHA, 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 Platinum 8156 and Ryzen 9 5900X 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 Platinum 8156 and Ryzen 9 5900X 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 Platinum 8156 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-3200
Maximum memory size	768 GB	128 GB
Max memory channels	6	2
Maximum memory bandwidth	128.001 GB/s	51.196 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8156 and Ryzen 9 5900X.

PCIe version	3.0	4.0
PCI Express lanes	48	no data

Pros & cons summary

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Recency	25 April 2017	8 October 2020
Physical cores	4	12
Threads	8	24
Chip lithography	14 nm	7 nm

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