EPYC 7H12 vs EPYC 7281

Place in performance ranking	462	39
Place by popularity	not in top-100	not in top-100
Value for money	3.77	5.00
Market segment	Server	Server
Series	AMD EPYC	AMD EPYC
Architecture codename	Naples (2017−2018)	Zen 2 (2019−2020)
Release date	29 June 2017 (6 years old)	18 September 2019 (4 years old)
Launch price (MSRP)	$650	no data
Current price	$1299 (2x MSRP)	$6796

Value for money

Performance per price, higher is better.

EPYC 7H12 has 33% better value for money than EPYC 7281.

Technical specs

EPYC 7281 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	16 (Hexadeca-Core)	64 (Tetrahexaconta-Core)
Threads	32	128
Base clock speed	2.1 GHz	2.6 GHz
Boost clock speed	2.7 GHz	3.3 GHz
L1 cache	96K (per core)	96K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	32 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	192 mm²	192 mm²
Number of transistors	4,800 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on EPYC 7281 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	2 (Multiprocessor)	2 (Multiprocessor)
Socket	TR4	TR4
Power consumption (TDP)	170 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7281 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 EPYC 7281 and EPYC 7H12 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7281 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4 Eight-channel
Maximum memory size	2 TiB	4 TiB
Max memory channels	8	8
Maximum memory bandwidth	170.671 GB/s	204.763 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by EPYC 7281 and EPYC 7H12.

PCIe version	3.0	no data
PCI Express lanes	128	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.

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 7281 14.12

EPYC 7H12 45.46
+222%

EPYC 7H12 outperforms EPYC 7281 by 222% based on our aggregated 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 7281 21621

EPYC 7H12 69633
+222%

EPYC 7H12 outperforms EPYC 7281 by 222% in Passmark.

Gaming performance

Advantages and disadvantages

Performance score	14.12	45.46
Recency	29 June 2017	18 September 2019
Physical cores	16	64
Threads	32	128
Chip lithography	14 nm	7 nm
Power consumption (TDP)	170 Watt	280 Watt