Core Ultra 9 185H vs EPYC 7451

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Aggregate performance score

EPYC 7451
2017
24 cores / 48 threads, 180 Watt
16.72
Core Ultra 9 185H
2023
16 cores / 22 threads, 45 Watt
18.51
+10.7%

Core Ultra 9 185H outperforms EPYC 7451 by a moderate 11% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7451 and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking355293
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.18no data
Market segmentServerLaptop
SeriesAMD EPYCIntel Meteor Lake-H
Architecture codenameNaples (2017−2018)Meteor Lake-H
Release date20 June 2017 (6 years ago)14 December 2023 (less than a year ago)
Launch price (MSRP)$2,400no data
Current price$2768 (1.2x MSRP)no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7451 and Core Ultra 9 185H 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 cores24 (Tetracosa-Core)16 (Hexadeca-Core)
Threads4822
Base clock speed2.3 GHz3.9 GHz
Boost clock speed2.3 GHz5.1 GHz
L1 cache2.25 MB112 KB (per core)
L2 cache12 MB2 MB (per core)
L3 cache64 MB (shared)24 MB (shared)
Chip lithography14 nm7 nm
Die size213 mm2no data
Number of transistors19200 Millionno data
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplierYesNo

Compatibility

Information on EPYC 7451 and Core Ultra 9 185H 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 configuration2 (Multiprocessor)1
SocketTR4FCBGA2049
Power consumption (TDP)180 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7451 and Core Ultra 9 185H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSXno data+
Thermal Monitoringno data+
Flex Memory Accessno data+
SIPPno data+
Turbo Boost Max 3.0no data+
Statusno dataLaunched

Security technologies

EPYC 7451 and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7451 and Core Ultra 9 185H are enumerated here.

AMD-V+no data
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7451 and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5
Maximum memory size2 TiB96 GB
Max memory channels82
Maximum memory bandwidth170.671 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Arc™ graphics
Quick Sync Videono data+
Graphics max frequencyno data2.35 GHz

Graphics interfaces

Available interfaces and connections of EPYC 7451 and Core Ultra 9 185H integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by EPYC 7451 and Core Ultra 9 185H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by EPYC 7451 and Core Ultra 9 185H integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by EPYC 7451 and Core Ultra 9 185H.

PCIe version3.05.0
PCI Express lanes12828
PCI supportno data5.0 and 4.0

Synthetic benchmark performance

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


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 7451 16.72
Ultra 9 185H 18.51
+10.7%

Core Ultra 9 185H outperforms EPYC 7451 by 11% based on our aggregate benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

EPYC 7451 25863
Ultra 9 185H 28627
+10.7%

Core Ultra 9 185H outperforms EPYC 7451 by 11% in Passmark.

Gaming performance

Pros & cons summary


Performance score 16.72 18.51
Recency 20 June 2017 14 December 2023
Physical cores 24 16
Threads 48 22
Chip lithography 14 nm 7 nm
Power consumption (TDP) 180 Watt 45 Watt

The Core Ultra 9 185H is our recommended choice as it beats the EPYC 7451 in performance tests.

Be aware that EPYC 7451 is a server/workstation processor while Core Ultra 9 185H is a notebook one.


Should you still have questions on choice between EPYC 7451 and Core Ultra 9 185H, ask them in Comments section, and we shall answer.

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AMD EPYC 7451
EPYC 7451
Intel Core Ultra 9 185H
Core Ultra 9 185H

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


5 3 votes

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Questions & comments

Here you can ask a question about EPYC 7451 or Core Ultra 9 185H, agree or disagree with our judgements, or report an error or mismatch.