Xeon W-11855M vs EPYC 7H12

General info

Comparing EPYC 7H12 and Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	39	596
Place by popularity	not in top-100	not in top-100
Value for money	22.29	41.89
Market segment	Server	Server
Series	AMD EPYC	Intel Tiger Lake
Architecture codename	Zen 2 (2019−2020)	Tiger Lake-H (2021)
Release date	18 September 2019 (4 years ago)	11 May 2021 (2 years ago)
Current price	$1970	$397

Value for money

Performance per price, higher is better.

Xeon W-11855M has 88% better value for money than EPYC 7H12.

Technical specs

EPYC 7H12 and Xeon W-11855M 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	64 (Tetrahexaconta-Core)	6 (Hexa-Core)
Threads	128	12
Base clock speed	2.6 GHz	3.2 GHz
Boost clock speed	3.3 GHz	4.9 GHz
L1 cache	96K (per core)	96K (per core)
L2 cache	512K (per core)	1.25 MB (per core)
L3 cache	256 MB (shared)	18 MB (shared)
Chip lithography	7 nm, 14 nm	10 nm SuperFin
Die size	192 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7H12 and Xeon W-11855M 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	TR4	FCBGA1787
Power consumption (TDP)	280 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Xeon W-11855M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
SIPP	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Discontinued

Security technologies

EPYC 7H12 and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
Secure Key	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7H12 and Xeon W-11855M are enumerated here.

AMD-V	+	no data
VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4
Maximum memory size	4 TiB	128 GB
Max memory channels	8	2
Maximum memory bandwidth	204.763 GB/s	51.2 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	no data	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of EPYC 7H12 and Xeon W-11855M integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by EPYC 7H12 and Xeon W-11855M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by EPYC 7H12 and Xeon W-11855M integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by EPYC 7H12 and Xeon W-11855M.

PCIe version	no data	4.0
PCI Express lanes	no data	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.

EPYC 7H12 outperforms Xeon W-11855M by 281% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	45.03	11.82
Recency	18 September 2019	11 May 2021
Physical cores	64	6
Threads	128	12
Chip lithography	7 nm	10 nm
Power consumption (TDP)	280 Watt	35 Watt

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Should you still have questions on choice between EPYC 7H12 and Xeon W-11855M, ask them in Comments section, and we shall answer.

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