EPYC 7402 vs Ryzen Threadripper 3990X

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Aggregate performance score

Ryzen Threadripper 3990X
2020
64 cores / 128 threads, 280 Watt
50.29
+73.6%
EPYC 7402
2019
24 cores / 48 threads, 180 Watt
28.97

Ryzen Threadripper 3990X outperforms EPYC 7402 by an impressive 74% based on our aggregate benchmark results.

Primary details

Comparing Ryzen Threadripper 3990X and EPYC 7402 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking34156
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation9.7110.52
Market segmentDesktop processorServer
SeriesAMD Ryzen ThreadripperAMD EPYC
Power efficiency17.0015.23
Architecture codenameMatisse (2019−2020)Zen 2 (2017−2020)
Release date7 February 2020 (4 years ago)7 August 2019 (5 years ago)
Launch price (MSRP)$3,999$1,783

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7402 has 8% better value for money than Ryzen Threadripper 3990X.

Detailed specifications

Ryzen Threadripper 3990X and EPYC 7402 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 cores64 (Tetrahexaconta-Core)24 (Tetracosa-Core)
Threads12848
Base clock speed2.9 GHz2.8 GHz
Boost clock speed4.3 GHz3.35 GHz
Multiplier2928
L1 cache96K (per core)96K (per core)
L2 cache512K (per core)512K (per core)
L3 cache256 MB128 MB (shared)
Chip lithography7 nm, 12 nm7 nm, 14 nm
Die size74 mm2192 mm2
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 million4,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen Threadripper 3990X and EPYC 7402 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 configuration12 (Multiprocessor)
SocketTR4TR4
Power consumption (TDP)280 Watt180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and EPYC 7402. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and EPYC 7402 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and EPYC 7402. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4 Eight-channel
Maximum memory size256 GB4 TiB
Max memory channels48
Maximum memory bandwidth102.403 GB/s204.763 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and EPYC 7402.

PCIe version4.0no 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.

Ryzen Threadripper 3990X 50.29
+73.6%
EPYC 7402 28.97

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.

Ryzen Threadripper 3990X 79889
+73.6%
EPYC 7402 46012

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen Threadripper 3990X 1623
+23.4%
EPYC 7402 1315

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen Threadripper 3990X 14204
+19.7%
EPYC 7402 11865

Gaming performance

Pros & cons summary


Performance score 50.29 28.97
Recency 7 February 2020 7 August 2019
Physical cores 64 24
Threads 128 48
Power consumption (TDP) 280 Watt 180 Watt

Ryzen Threadripper 3990X has a 73.6% higher aggregate performance score, an age advantage of 6 months, and 166.7% more physical cores and 166.7% more threads.

EPYC 7402, on the other hand, has 55.6% lower power consumption.

The Ryzen Threadripper 3990X is our recommended choice as it beats the EPYC 7402 in performance tests.

Note that Ryzen Threadripper 3990X is a desktop processor while EPYC 7402 is a server/workstation one.


Should you still have questions on choice between Ryzen Threadripper 3990X and EPYC 7402, ask them in Comments section, and we shall answer.

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AMD Ryzen Threadripper 3990X
Ryzen Threadripper 3990X
AMD EPYC 7402
EPYC 7402

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Community ratings

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Questions & comments

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