Ryzen 7 3800XT vs EPYC 7H12

Primary details

Comparing EPYC 7H12 and Ryzen 7 3800XT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	48	472
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	19.92
Market segment	Server	Desktop processor
Series	AMD EPYC	AMD Ryzen 7
Power efficiency	14.82	13.39
Architecture codename	Zen 2 (2017−2020)	Matisse (Zen 2) (2019−2020)
Release date	18 September 2019 (5 years ago)	7 July 2020 (4 years ago)
Launch price (MSRP)	no data	$399

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7H12 and Ryzen 7 3800XT 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	3.8 GHz
Boost clock speed	3.3 GHz	4.7 GHz
Multiplier	26	no data
L1 cache	96K (per core)	96K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	256 MB (shared)	32 MB
Chip lithography	7 nm, 14 nm	7 nm, 12 nm
Die size	192 mm2	74 mm2
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	4,800 million	3,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	+

Compatibility

Information on EPYC 7H12 and Ryzen 7 3800XT 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	AM4
Power consumption (TDP)	280 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Ryzen 7 3800XT. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7H12 and Ryzen 7 3800XT are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Ryzen 7 3800XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4
Maximum memory size	4 TiB	128 GB
Max memory channels	8	2
Maximum memory bandwidth	204.763 GB/s	51.196 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by EPYC 7H12 and Ryzen 7 3800XT.

PCIe version

no data

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.

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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.

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Pros & cons summary

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Performance score	43.84	14.86
Recency	18 September 2019	7 July 2020
Physical cores	64	8
Threads	128	16
Power consumption (TDP)	280 Watt	105 Watt

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Should you still have questions on choice between EPYC 7H12 and Ryzen 7 3800XT, ask them in Comments section, and we shall answer.

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