Ryzen Threadripper PRO 9955WX vs EPYC 9684X

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Aggregate performance score

EPYC 9684X
2023
96 cores / 192 threads, 400 Watt
69.55
+73.7%
Ryzen Threadripper PRO 9955WX
2025
16 cores / 32 threads, 350 Watt
40.04

EPYC 9684X outperforms Ryzen Threadripper PRO 9955WX by an impressive 74% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1771
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.0226.81
Market segmentServerDesktop processor
Power efficiency7.314.81
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameGenoa-X (2023)Shimada Peak (2025)
Release date13 June 2023 (2 years ago)23 July 2025 (recently)
Launch price (MSRP)$14,756$1,649

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen Threadripper PRO 9955WX has 133950% better value for money than EPYC 9684X.

Performance to price scatter graph

Detailed specifications

EPYC 9684X 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 cores9616 (Hexadeca-Core)
Threads19232
Base clock speed2.55 GHz4.5 GHz
Boost clock speed3.7 GHz5.4 GHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache1152 MB (shared)64 MB (shared)
Chip lithography5 nm4 nm
Die size12x 72 mm22x 70.6 mm2
Number of transistors135,240 million16,630 million
64 bit support++
Unlocked multiplier-+

Compatibility

Information on EPYC 9684X 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 configuration21
SocketSP5sTR5
Power consumption (TDP)400 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9684X 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 9684X and Ryzen Threadripper PRO 9955WX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9684X and Ryzen Threadripper PRO 9955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 9684X and Ryzen Threadripper PRO 9955WX.

PCIe version5.05.0
PCI Express lanes128136

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 9684X 69.55
+73.7%
Ryzen Threadripper PRO 9955WX 40.04

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 9684X 121595
+73.7%
Ryzen Threadripper PRO 9955WX 69993

Gaming performance

Pros & cons summary


Performance score 69.55 40.04
Recency 13 June 2023 23 July 2025
Physical cores 96 16
Threads 192 32
Chip lithography 5 nm 4 nm
Power consumption (TDP) 400 Watt 350 Watt

EPYC 9684X has a 73.7% higher aggregate performance score, and 500% more physical cores and 500% more threads.

Ryzen Threadripper PRO 9955WX, on the other hand, has an age advantage of 2 years, a 25% more advanced lithography process, and 14.3% lower power consumption.

The AMD EPYC 9684X is our recommended choice as it beats the AMD Ryzen Threadripper PRO 9955WX in performance tests.

Be aware that EPYC 9684X is a server/workstation processor while Ryzen Threadripper PRO 9955WX is a desktop one.

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AMD EPYC 9684X
EPYC 9684X
AMD Ryzen Threadripper PRO 9955WX
Ryzen Threadripper PRO 9955WX

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Community ratings

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