Ryzen Threadripper PRO 3945WX

Details and Benchmarks for AMD Ryzen Threadripper PRO 3945WX

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Ryzen Threadripper PRO 3945WX based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

6,064 Rank: 229
Rank Name Score Visual
225 Xeon W-3275M 6,070
+0.1%
226 Xeon Gold 6154 6,068
+0.1%
227 Core Ultra 5 135U 6,067
+0%
228 Ryzen 7 PRO 6850H 6,065
+0%
229 Ryzen Threadripper PRO 3945WX 6,064
230 Ryzen 7 PRO 3700 6,062
+-0%
231 Core Ultra 7 165U 6,060
-0.1%
232 Core i9-10900X 6,059
-0.1%
233 Core i9-10850K 6,051
-0.2%
234 EPYC 7F72 6,046
-0.3%

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Multicore Score

Multicore performance score for Ryzen Threadripper PRO 3945WX based on multi-threaded benchmark results.

6,312 Rank: 181
Rank Name Score Visual
177 Xeon E5-2687W 0 6,333
+0.3%
178 Xeon Gold 6248 6,321
+0.1%
179 Core Ultra 9 185H 6,320
+0.1%
180 Xeon W-2195 6,312
+0%
181 Ryzen Threadripper PRO 3945WX 6,312
182 Xeon W-3245M 6,306
-0.1%
183 Ryzen 9 5900 6,306
-0.1%
184 Core i5-13500 6,302
-0.2%
185 Xeon E5-2683 v4 6,300
-0.2%
186 Ryzen 9 7940HS 6,296
-0.3%

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Singlecore Score

Single-core performance score for Ryzen Threadripper PRO 3945WX based on single-threaded benchmark results.

5,898 Rank: 310
Rank Name Score Visual
306 Ryzen Threadripper 1920X 5,900
+0%
307 Ryzen Threadripper PRO 3955WX 5,900
+0%
308 Core i5-10400H 5,899
+0%
309 AMD Ryzen 5 1600X 5,898
+0%
310 Ryzen Threadripper PRO 3945WX 5,898
311 Core i3-10320 5,897
+-0%
312 Xeon E3-1245 v6 5,895
-0.1%
313 Pentium Gold G5600 5,894
-0.1%
314 FX-9370 5,888
-0.2%
315 Core i5-8600 5,885
-0.2%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Ryzen Threadripper PRO 3945WX based on integer math, floating point math, and prime number computation benchmarks.

5,715 Rank: 133
Rank Name Score Visual
129 Xeon Gold 5416S 5,807
+1.6%
130 Core i9-12900 5,766
+0.9%
131 Ryzen Threadripper 2970WX 5,758
+0.8%
132 Core Ultra 5 225H 5,749
+0.6%
133 Ryzen Threadripper PRO 3945WX 5,715
134 Xeon Gold 6254 5,708
-0.1%
135 Ryzen 7 7700X 5,705
-0.2%
136 EPYC 7551 5,704
-0.2%
137 Ryzen 7 7700 5,704
-0.2%
138 Ryzen 5 9600X 5,697
-0.3%

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Data Processing

Aggregated score for Ryzen Threadripper PRO 3945WX based on data encryption, data compression, and string sorting benchmarks.

5,906 Rank: 124
Rank Name Score Visual
120 Ryzen 9 5900X 6,003
+1.6%
121 Xeon Gold 6346 5,964
+1%
122 EPYC 7302P 5,962
+0.9%
123 EPYC 7282 5,940
+0.6%
124 Ryzen Threadripper PRO 3945WX 5,906
125 Core i5-13600K 5,897
-0.2%
126 Ryzen AI Max 390 5,894
-0.2%
127 Ryzen 9 3900XT 5,875
-0.5%
128 Core i9-10980XE 5,874
-0.5%
129 Ryzen 9 3900X 5,872
-0.6%

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Physics & Compute

Aggregated score for Ryzen Threadripper PRO 3945WX based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,759 Rank: 130
Rank Name Score Visual
126 Xeon Platinum 8160 5,782
+0.4%
127 Xeon Gold 6148 5,773
+0.2%
128 Ryzen 9 5900X 5,766
+0.1%
129 Xeon W-3245 5,764
+0.1%
130 Ryzen Threadripper PRO 3945WX 5,759
131 Xeon w5-2445 5,757
+-0%
132 Core i5-13600K 5,754
-0.1%
133 Core i9-7980XE 5,753
-0.1%
134 Ryzen 7 7700X 5,742
-0.3%
135 Core i9-9960X 5,741
-0.3%

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Ryzen Threadripper PRO 3945WX Details

As of March 2026, the AMD Ryzen Threadripper PRO 3945WX remains a powerful server and workstation processor, though it is now four years past its July 2020 launch. Despite its age, it continues to hold a strong position in the high-end workstation market, particularly for users requiring substantial multi-threaded performance and ECC memory support. With a base clock of 4.0 GHz and a turbo frequency of up to 4.3 GHz, the processor leverages AMD’s Zen 2 architecture, fabricated on a 7 nm process by TSMC. Its 12 cores and 24 threads, enabled by Simultaneous Multithreading (SMT), deliver robust performance for professional workloads such as 3D rendering, video editing, and scientific simulations.

The Ryzen Threadripper PRO 3945WX is built on the Castle Peak microarchitecture and uses the sWRX8 socket, supporting eight-channel DDR4 memory at speeds up to 3200 MT/s. It features a total of 64 MB of L3 cache, with 0.061 MiB of L1 and 0.488 MiB of L2 cache per core. The processor supports PCIe 4.0 with 128 lanes from the CPU, enabling high-bandwidth expansion for multiple GPUs or storage devices. However, it lacks integrated graphics, requiring a discrete GPU for display output. It also supports ECC memory, hardware virtualization via AMD-V, and a range of instruction sets including AVX2, AES-NI, and FMA3, making it suitable for mission-critical environments.

In benchmark testing, the Ryzen Threadripper PRO 3945WX achieves an Overall Score of 6064, ranking #229 out of 2060 processors, with a Singlecore Score of 5898 (#309) and a Multicore Score of 6312 (#180). Its multicore performance places it ahead of many mainstream and even some high-end desktop CPUs, such as the Core i5-13500 and Ryzen 9 5900, but behind more recent Threadripper and EPYC models. Notably, it trails behind the top-tier Ryzen Threadripper PRO 9995WX, which scores over 9,000 in the same benchmark suite. While its single-core performance is solid, it is not competitive with the latest high-frequency desktop processors like the Core Ultra 9 285K or Ryzen 9 9950X3D.

The processor’s 280 W TDP underscores its power-hungry nature, necessitating high-end cooling solutions. This makes it best suited for well-ventilated workstations with robust power delivery. For users in creative or technical fields who require multi-threaded performance and ECC memory, the Ryzen Threadripper PRO 3945WX remains a capable option—especially when compared to Intel’s Xeon W-3245M or older Ryzen Threadripper models. However, for those seeking the latest performance or power efficiency, newer generations of Threadripper or EPYC processors offer significant improvements. As of 2026, it occupies a niche role as a reliable, high-performance workstation CPU for legacy or cost-sensitive deployments.
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AMD Ryzen Threadripper PRO 3945WX

Main Specifications

Designer: AMD
Name: Ryzen Threadripper PRO 3945WX
Cores: 12
Threads: 24
Base Frequency: 4000 MHz
Clock Multiplier: 40x (locked)
Core Name: Castle Peak
Socket: Socket WRX8
Package: sWRX8
Target Segment: Workstation
TDP: 280 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR4

Physical Specifications

Process: 7 nm
Die Area: 74 mm²
Manufacturer: TSMC

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 AES F16C SMEP SSE4a SHA AMD-V SMT XFR 2
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