Ryzen 9 5900HX vs EPYC 7H12

VS

Aggregate performance score

EPYC 7H12
2019
64 cores / 128 threads, 280 Watt
43.84
+210%
Ryzen 9 5900HX
2021
8 cores / 16 threads, 45 Watt
14.16

EPYC 7H12 outperforms Ryzen 9 5900HX by a whopping 210% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7H12 and Ryzen 9 5900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking48514
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesAMD EPYCAMD Cezanne (Zen 3, Ryzen 5000)
Power efficiency14.8129.76
Architecture codenameZen 2 (2017−2020)Cezanne-H (Zen 3) (2021)
Release date18 September 2019 (5 years ago)12 January 2021 (3 years ago)

Detailed specifications

EPYC 7H12 and Ryzen 9 5900HX 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 cores64 (Tetrahexaconta-Core)8 (Octa-Core)
Threads12816
Base clock speed2.6 GHz3.3 GHz
Boost clock speed3.3 GHz4.6 GHz
Multiplier2633
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)512K (per core)
L3 cache256 MB (shared)16 MB (shared)
Chip lithography7 nm, 14 nm7 nm
Die size192 mm2156 mm2
Maximum core temperatureno data105 °C
Number of transistors4,800 million9,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on EPYC 7H12 and Ryzen 9 5900HX 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
SocketTR4FP6
Power consumption (TDP)280 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Ryzen 9 5900HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7H12 and Ryzen 9 5900HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Ryzen 9 5900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC 7H12 and Ryzen 9 5900HX.

PCIe versionno data3.0

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 7H12 43.84
+210%
Ryzen 9 5900HX 14.16

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.

EPYC 7H12 69633
+209%
Ryzen 9 5900HX 22500

Gaming performance

Pros & cons summary


Performance score 43.84 14.16
Recency 18 September 2019 12 January 2021
Physical cores 64 8
Threads 128 16
Power consumption (TDP) 280 Watt 45 Watt

EPYC 7H12 has a 209.6% higher aggregate performance score, and 700% more physical cores and 700% more threads.

Ryzen 9 5900HX, on the other hand, has an age advantage of 1 year, and 522.2% lower power consumption.

The EPYC 7H12 is our recommended choice as it beats the Ryzen 9 5900HX in performance tests.

Be aware that EPYC 7H12 is a server/workstation processor while Ryzen 9 5900HX is a notebook one.


Should you still have questions on choice between EPYC 7H12 and Ryzen 9 5900HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD EPYC 7H12
EPYC 7H12
AMD Ryzen 9 5900HX
Ryzen 9 5900HX

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Community ratings

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


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Questions & comments

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