Ryzen Threadripper PRO 9955WX vs EPYC 7662

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Aggregate performance score

EPYC 7662
2020
64 cores / 128 threads, 225 Watt
41.26
+3.3%
Ryzen Threadripper PRO 9955WX
2025
16 cores / 32 threads, 350 Watt
39.94

EPYC 7662 outperforms Ryzen Threadripper PRO 9955WX by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6571
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data26.83
Market segmentServerDesktop processor
SeriesAMD EPYCno data
Power efficiency7.724.81
DesignerAMDAMD
Manufacturerno dataTSMC
Architecture codenameZen 2 (2017−2020)Shimada Peak (2025)
Release date19 February 2020 (5 years ago)23 July 2025 (recently)
Launch price (MSRP)no data$1,649

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

EPYC 7662 and Ryzen Threadripper PRO 9955WX 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)16 (Hexadeca-Core)
Threads12832
Base clock speed2 GHz4.5 GHz
Boost clock speed3.3 GHz5.4 GHz
Multiplier20no data
L1 cache4 MB64 KB (per core)
L2 cache32 MB1 MB (per core)
L3 cache256 MB64 MB (shared)
Chip lithography7 nm, 14 nm4 nm
Die sizeno data2x 70.6 mm2
Number of transistorsno data16,630 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on EPYC 7662 and Ryzen Threadripper PRO 9955WX 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 configurationno data1
SocketSocket SP3sTR5
Power consumption (TDP)225 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7662 and Ryzen Threadripper PRO 9955WX. 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 EPYC 7662 and Ryzen Threadripper PRO 9955WX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7662 and Ryzen Threadripper PRO 9955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7662 and Ryzen Threadripper PRO 9955WX.

PCIe versionno data5.0
PCI Express lanesno data136

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.

EPYC 7662 41.26
+3.3%
Ryzen Threadripper PRO 9955WX 39.94

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. Other than that, Passmark measures multi-core performance.

EPYC 7662 72298
+3.3%
Ryzen Threadripper PRO 9955WX 69993

Gaming performance

Pros & cons summary


Performance score 41.26 39.94
Recency 19 February 2020 23 July 2025
Physical cores 64 16
Threads 128 32
Chip lithography 7 nm 4 nm
Power consumption (TDP) 225 Watt 350 Watt

EPYC 7662 has a 3.3% higher aggregate performance score, 300% more physical cores and 300% more threads, and 55.6% lower power consumption.

Ryzen Threadripper PRO 9955WX, on the other hand, has an age advantage of 5 years, and a 75% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between AMD EPYC 7662 and AMD Ryzen Threadripper PRO 9955WX.

Be aware that EPYC 7662 is a server/workstation processor while Ryzen Threadripper PRO 9955WX is a desktop one.

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AMD EPYC 7662
EPYC 7662
AMD Ryzen Threadripper PRO 9955WX
Ryzen Threadripper PRO 9955WX

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Community ratings

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