Ryzen 5 8645HS vs Xeon Platinum 8156

Primary details

Comparing Xeon Platinum 8156 and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	501
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	Intel Xeon Platinum	no data
Power efficiency	no data	30.13
Architecture codename	Skylake (server) (2017−2019)	Hawk Point-HS (Zen 4) (2023−2024)
Release date	25 April 2017 (7 years ago)	6 December 2023 (less than a year ago)
Launch price (MSRP)	$7,007	no data

Detailed specifications

Xeon Platinum 8156 and Ryzen 5 8645HS 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	3.6 GHz	4.3 GHz
Boost clock speed	3.7 GHz	5 GHz
Multiplier	36	no data
L1 cache	256 KB	64 KB (per core)
L2 cache	4 MB	1 MB (per core)
L3 cache	16.5 MB	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	71 °C	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Platinum 8156 and Ryzen 5 8645HS 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	FP8
Power consumption (TDP)	105 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8156 and Ryzen 5 8645HS. 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	Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
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 5 8645HS 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 5 8645HS 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 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	768 GB	no data
Max memory channels	6	no data
Maximum memory bandwidth	128.001 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8156 and Ryzen 5 8645HS.

PCIe version	3.0	4.0
PCI Express lanes	48	20

Pros & cons summary

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Recency	25 April 2017	6 December 2023
Physical cores	4	6
Threads	8	12
Chip lithography	14 nm	4 nm
Power consumption (TDP)	105 Watt	45 Watt

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