Ryzen 9 9955HX3D vs Ryzen Threadripper PRO 3945WX

VS

Aggregate performance score

Ryzen Threadripper PRO 3945WX
2020
12 cores / 24 threads, 280 Watt
20.88
Ryzen 9 9955HX3D
2025
16 cores / 32 threads, 55 Watt
40.19
+92.5%

Ryzen 9 9955HX3D outperforms Ryzen Threadripper PRO 3945WX by an impressive 92% based on our aggregate benchmark results.

Primary details

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

Place in the ranking29877
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesAMD Ryzen ThreadripperAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency7.1570.08
DesignerAMDAMD
ManufacturerTSMCno data
Architecture codenameCastle Peak (2020)Fire Range-HX (Zen 5) (2025)
Release date14 July 2020 (4 years ago)6 January 2025 (less than a year ago)

Detailed specifications

Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D 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 cores12 (Dodeca-Core)16 (Hexadeca-Core)
Threads2432
Base clock speed4 GHzno data
Boost clock speed4.3 GHz5.4 GHz
Multiplier40no data
L1 cache64 KB (per core)1.3 MB
L2 cache512 KB (per core)16 MB
L3 cache64 MB128 MB
Chip lithography7 nm, 12 nmno data
Die size2x 74 mm2no data
Maximum case temperature (TCase)95 °Cno data
Number of transistors7,600 millionno data
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D 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 configuration1no data
SocketWRX8no data
Power consumption (TDP)280 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200no data
Maximum memory size2 TiBno data
Maximum memory bandwidth204.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 610M ( - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D.

PCIe version4.0no data
PCI Express lanes128no 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.

Ryzen Threadripper PRO 3945WX 20.88
Ryzen 9 9955HX3D 40.19
+92.5%

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.

Ryzen Threadripper PRO 3945WX 33497
Ryzen 9 9955HX3D 64464
+92.4%

Gaming performance

Pros & cons summary


Performance score 20.88 40.19
Recency 14 July 2020 6 January 2025
Physical cores 12 16
Threads 24 32
Power consumption (TDP) 280 Watt 55 Watt

Ryzen 9 9955HX3D has a 92.5% higher aggregate performance score, an age advantage of 4 years, 33.3% more physical cores and 33.3% more threads, and 409.1% lower power consumption.

The AMD Ryzen 9 9955HX3D is our recommended choice as it beats the AMD Ryzen Threadripper PRO 3945WX in performance tests.

Be aware that Ryzen Threadripper PRO 3945WX is a server/workstation processor while Ryzen 9 9955HX3D is a notebook one.

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AMD Ryzen Threadripper PRO 3945WX
Ryzen Threadripper PRO 3945WX
AMD Ryzen 9 9955HX3D
Ryzen 9 9955HX3D

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Community ratings

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