EPYC 7H12 vs Ryzen 9 5900

Primary details

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

Place in performance ranking	212	37
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	60.23	23.54
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	AMD EPYC
Architecture codename	Vermeer (2020−2022)	Zen 2 (2019−2020)
Release date	12 January 2021 (3 years ago)	18 September 2019 (4 years ago)
Current price	$304	$1750

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900 has 156% better value for money than EPYC 7H12.

Detailed specifications

Ryzen 9 5900 and EPYC 7H12 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	12 (Dodeca-Core)	64 (Tetrahexaconta-Core)
Threads	24	128
Base clock speed	3 GHz	2.6 GHz
Boost clock speed	4.7 GHz	3.3 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	64 MB	256 MB (shared)
Chip lithography	7 nm, 12 nm	7 nm, 14 nm
Die size	81 mm2	192 mm2
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	4,150 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Ryzen 9 5900 and EPYC 7H12 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 (Multiprocessor)
Socket	AM4	TR4
Power consumption (TDP)	65 Watt	280 Watt

Technologies and extensions

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

AES-NI	+	+
AVX	+	+

Virtualization technologies

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

AMD-V

+

+

Memory specs

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

Supported memory types	DDR4-3200	DDR4 Eight-channel
Maximum memory size	128 GB	4 TiB
Max memory channels	no data	8
Maximum memory bandwidth	51.196 GB/s	204.763 GB/s
ECC memory support	no data	+

Peripherals

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

PCIe version

4.0

no data

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 Ryzen 9 5900 by 102% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	22.26	45.02
Recency	12 January 2021	18 September 2019
Physical cores	12	64
Threads	24	128
Power consumption (TDP)	65 Watt	280 Watt

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

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