Ryzen Threadripper PRO 3945WX vs EPYC 7H12

General info

Comparing EPYC 7H12 and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	39	218
Place by popularity	not in top-100	not in top-100
Value for money	22.31	8.86
Market segment	Server	Server
Series	AMD EPYC	AMD Ryzen Threadripper
Architecture codename	Zen 2 (2019−2020)	Matisse (2019−2020)
Release date	18 September 2019 (4 years ago)	14 July 2020 (3 years ago)
Current price	$1970	$1961

Value for money

Performance per price, higher is better.

EPYC 7H12 has 152% better value for money than Ryzen Threadripper PRO 3945WX.

Technical specs

EPYC 7H12 and Ryzen Threadripper PRO 3945WX 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)	12 (Dodeca-Core)
Threads	128	24
Base clock speed	2.6 GHz	4 GHz
Boost clock speed	3.3 GHz	4.3 GHz
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	256 MB (shared)	64 MB
Chip lithography	7 nm, 14 nm	7 nm, 12 nm
Die size	192 mm2	74 mm2
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	Yes	Yes

Compatibility

Information on EPYC 7H12 and Ryzen Threadripper PRO 3945WX 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	TR4
Power consumption (TDP)	280 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Ryzen Threadripper PRO 3945WX. 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 7H12 and Ryzen Threadripper PRO 3945WX are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4-3200
Maximum memory size	4 TiB	2 TiB
Max memory channels	8	no data
Maximum memory bandwidth	204.763 GB/s	204.8 GB/s
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by EPYC 7H12 and Ryzen Threadripper PRO 3945WX.

PCIe version	no data	4.0
PCI Express lanes	no data	128

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 Threadripper PRO 3945WX by 108% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	45.03	21.67
Recency	18 September 2019	14 July 2020
Physical cores	64	12
Threads	128	24

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Should you still have questions on choice between EPYC 7H12 and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.

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