EPYC 9254 vs i7-11800H

Primary details

Comparing Core i7-11800H and EPYC 9254 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	590	54
Place by popularity	84	not in top-100
Cost-effectiveness evaluation	no data	15.64
Market segment	Laptop	Server
Series	Tiger Lake	AMD EPYC
Power efficiency	34.76	20.22
Architecture codename	Tiger Lake-H (2021)	Genoa (2022−2023)
Release date	11 May 2021 (3 years ago)	10 November 2022 (2 years ago)
Launch price (MSRP)	$395	$2,299

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-11800H and EPYC 9254 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	8 (Octa-Core)	24 (Tetracosa-Core)
Threads	16	48
Base clock speed	1.9 GHz	2.9 GHz
Boost clock speed	4.6 GHz	2.9 GHz
Bus rate	8 GT/s	no data
Multiplier	no data	29
L1 cache	80 KB (per core)	1536 KB
L2 cache	1.25 MB (per core)	24 MB
L3 cache	24 MB (shared)	128 MB (shared)
Chip lithography	10 nm SuperFin	5 nm, 6 nm
Die size	190 mm2	4x 72 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	26,280 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i7-11800H and EPYC 9254 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	2
Socket	FCBGA1787	SP5
Power consumption (TDP)	45 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-11800H and EPYC 9254. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i7-11800H and EPYC 9254 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 Core i7-11800H and EPYC 9254 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 Core i7-11800H and EPYC 9254. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4800
Maximum memory size	128 GB	6 TiB
Max memory channels	2	no data
Maximum memory bandwidth	51.2 GB/s	460.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core i7-11800H and EPYC 9254 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i7-11800H and EPYC 9254 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i7-11800H and EPYC 9254 integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-11800H and EPYC 9254.

PCIe version	4.0	5.0
PCI Express lanes	20	128

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	13.10	43.53
Recency	11 May 2021	10 November 2022
Physical cores	8	24
Threads	16	48
Chip lithography	10 nm	5 nm
Power consumption (TDP)	45 Watt	200 Watt

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Should you still have questions on choice between Core i7-11800H and EPYC 9254, ask them in Comments section, and we shall answer.

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