AMD® Ryzen™ Threadripper PRO 3945WX

The AMD Ryzen Threadripper PRO 3945WX is a workstation processor with 12 cores and 24 threads, built on the Zen 2 architecture (7 nm process). It launched in Jul 2020. Clocks run from 4.0 GHz base to 4.3 GHz boost. A 64-MB L3 cache backs the cores (5.9 MB per core). It uses the sWRX8 socket. Rated TDP is 280 W. Notable platform capabilities: AVX-512, AMD-V (Hardware Virtualization), AMD SEV.

The AMD Ryzen Threadripper PRO 3945WX scores 2,696 in single-core performance and 33,428 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 9,493 for overall performance, 25,503 for productivity performance, 23,238 for creator performance, 36,353 for engineering performance and 16,445 for gaming performance. Its multi-core throughput works out to 2,786 per core, 1,393 per thread and 119 per watt. Its computed efficiency index is 567. Its performance index is 118, so its overall performance is 18% above the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the AMD Ryzen Threadripper PRO 3945WX scores 100,997 in integer math, 59,569 in floating-point math, 460,569 in compression, 29,239 in cryptography, 2,213 in physics simulation, 29,763 in vector SIMD, 222 in the prime sieve and 49,034 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 71% above in integer math, 30% above in floating-point math, 102% above in compression, 154% above in cryptography, 103% above in physics simulation, 92% above in vector SIMD, 231% above in the prime sieve and 116% above in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The AMD Ryzen Threadripper PRO 3945WX has 12 physical cores and runs 24 logical threads. It does not use a hybrid performance and efficiency core layout. It runs 2 threads per core. It runs at a base clock of 4.00 GHz and boosts up to 4.30 GHz.

The AMD Ryzen Threadripper PRO 3945WX is a workstation processor, belongs to the AMD Threadripper PRO family, uses the Zen 2 architecture, carries the codename Castle Peak and is manufactured on a 7 nm process. It launched in Jul 2020.

The AMD Ryzen Threadripper PRO 3945WX has 768 KB of L1 cache, 6 MB of L2 cache and 64 MB of L3 cache. That adds up to about 70.8 MB of cache, or 5.90 MB per core. Each core has 512 KB of private L2 cache.

The AMD Ryzen Threadripper PRO 3945WX has a 3-level cache hierarchy: L1 at 768 KB, L2 at 6 MB and L3 at 64 MB. L3 is the largest level and makes up about 90% of the cache listed here.

The AMD Ryzen Threadripper PRO 3945WX does not include integrated graphics, so a discrete graphics card is required for display output.

The AMD Ryzen Threadripper PRO 3945WX uses the sWRX8 socket.

The AMD Ryzen Threadripper PRO 3945WX has a rated TDP of 280 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

The AMD Ryzen Threadripper PRO 3945WX is manufactured by TSMC.

Feex has recorded 47% of the specifications it tracks for the AMD Ryzen Threadripper PRO 3945WX. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Efficiency Cores, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L4 Cache. Memory Support: Max Memory, Memory Channels, Memory Bandwidth, Memory Types, DDR5 Support, DDR4 Support, LPDDR Support, ECC Memory and Max Memory Speed. Platform & Compatibility: Package, Package Size and PCIe Lanes. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Launch Price. Naming & Aliases: SKU, Model Number, Processor Number and Part Number.

Processors that use the same sWRX8 socket as the AMD Ryzen Threadripper PRO 3945WX and have the closest multi-core scores in the Feex database include AMD Ryzen Threadripper PRO 3955WX, AMD Ryzen Threadripper PRO 5945WX, AMD Ryzen Threadripper PRO 5955WX, AMD Ryzen Threadripper PRO 3975WX and AMD Ryzen Threadripper PRO 5965WX.