Ryzen 9 8945HS vs Xeon Platinum 8256

Primary details

Comparing Xeon Platinum 8256 and Ryzen 9 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	728	312
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.90	no data
Market segment	Server	Laptop
Series	Intel Xeon Platinum	no data
Power efficiency	9.53	39.03
Architecture codename	Cascade Lake-SP (2018−2019)	Hawk Point-HS (Zen 4) (2023−2024)
Release date	2 April 2019 (5 years ago)	6 December 2023 (less than a year ago)
Launch price (MSRP)	$7,007	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8256 and Ryzen 9 8945HS 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	3.8 GHz	4 GHz
Boost clock speed	3.9 GHz	5.2 GHz
Multiplier	38	no data
L1 cache	256 KB	64 KB (per core)
L2 cache	4 MB	1 MB (per core)
L3 cache	16.5 MB (shared)	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	72 °C	100 °C
Number of transistors	8,000 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Platinum 8256 and Ryzen 9 8945HS 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 8256 and Ryzen 9 8945HS. 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, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
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	+
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8256 and Ryzen 9 8945HS 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 8256 and Ryzen 9 8945HS 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 8256 and Ryzen 9 8945HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5
Maximum memory size	1 TB	no data
Max memory channels	6	no data
Maximum memory bandwidth	140.8 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8256 and Ryzen 9 8945HS.

PCIe version	3.0	4.0
PCI Express lanes	48	20

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	10.97	19.26
Recency	2 April 2019	6 December 2023
Physical cores	4	8
Threads	8	16
Chip lithography	14 nm	4 nm
Power consumption (TDP)	105 Watt	45 Watt

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Should you still have questions on choice between Xeon Platinum 8256 and Ryzen 9 8945HS, ask them in Comments section, and we shall answer.

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