Ryzen 9 4900HS vs EPYC 7H12

Primary details

Comparing EPYC 7H12 and Ryzen 9 4900HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	37	584
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	23.94	no data
Market segment	Server	Laptop
Series	AMD EPYC	AMD Renoir (Ryzen 4000 APU)
Architecture codename	Zen 2 (2019−2020)	Renoir (Zen 2) (2020−2021)
Release date	18 September 2019 (4 years ago)	7 March 2020 (4 years ago)
Current price	$1750	$1339

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7H12 and Ryzen 9 4900HS 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)	8 (Octa-Core)
Threads	128	16
Base clock speed	2.6 GHz	3 GHz
Boost clock speed	3.3 GHz	4.3 GHz
L1 cache	96K (per core)	128K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	256 MB (shared)	12 MB (shared)
Chip lithography	7 nm, 14 nm	7 nm
Die size	192 mm2	156 mm2
Maximum core temperature	no data	105 °C
Number of transistors	4,800 million	9800 Million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7H12 and Ryzen 9 4900HS 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	FP6
Power consumption (TDP)	280 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Ryzen 9 4900HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	XFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7H12 and Ryzen 9 4900HS are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Ryzen 9 4900HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4-4266
Maximum memory size	4 TiB	64 GB
Max memory channels	8	4
Maximum memory bandwidth	204.763 GB/s	68.27 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by EPYC 7H12 and Ryzen 9 4900HS.

PCIe version

no data

3.0

Synthetic benchmark performance

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

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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 4900HS by 267% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	45.02	12.28
Recency	18 September 2019	7 March 2020
Physical cores	64	8
Threads	128	16
Power consumption (TDP)	280 Watt	35 Watt

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Should you still have questions on choice between EPYC 7H12 and Ryzen 9 4900HS, ask them in Comments section, and we shall answer.

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