PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Ryzen Threadripper PRO 3945WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 12 cores and 24 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,455 points. Launch price was $499.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Ryzen Threadripper PRO 3945WX

Xeon 6337P

MSRP: $60|Avg: $5

1250%

EPYC 9174F

MSRP: $194|Avg: $30

521%

EPYC 7261

MSRP: $501|Avg: $8

417%

EPYC 9375F

MSRP: $5306|Avg: $108

265%

Xeon E7-8895 v2

MSRP: $6841|Avg: $65

263%

Xeon W-2191B

MSRP: $1333|Avg: $39

217%

EPYC 9135

MSRP: $1214|Avg: $95

182%

Xeon X5660

MSRP: $1219|Avg: $10

179%

#10

EPYC 7543P

MSRP: $2730|Avg: $115

173%

#11

EPYC 7J13

MSRP: $7890|Avg: $150

169%

#12

Xeon E5-2689

MSRP: $1800|Avg: $18

165%

#13

Xeon X5680

MSRP: $450|Avg: $13

159%

#14

Xeon Silver 4114

MSRP: $612|Avg: $30

130%

#15

EPYC 7D12

MSRP: $1000|Avg: $100

126%

#16

Xeon E5-2676 V3

MSRP: $1800|Avg: $36

109%

#17

Ryzen Threadripper PRO 3945WX

MSRP: $1149|Avg: $100

100%

#18

Xeon E5-4620 v2

MSRP: $273|Avg: $30

94%

#19

Xeon W3540

MSRP: $284|Avg: $10

92%

#20

EPYC 7302

MSRP: $978|Avg: $109

92%

#21

Xeon W3530

MSRP: $294|Avg: $10

91%

#22

EPYC 7473X

MSRP: $3900|Avg: $200

89%

#23

Ryzen Threadripper PRO 5965WX

MSRP: $2399|Avg: $225

88%

#24

Xeon E5-2650 v4

MSRP: $1166|Avg: $45

88%

#25

Xeon X5675

MSRP: $1440|Avg: $22

87%

#26

Xeon E5-1660

MSRP: $1080|Avg: $29

86%

#27

Xeon W-10855M

MSRP: $118|Avg: $43

85%

#28

Xeon w5-3435X

MSRP: $1589|Avg: $163

83%

#29

Xeon W3680

MSRP: $594|Avg: $26

81%

#30

Xeon E3-1241 v3

MSRP: $273|Avg: $27

79%

#31

Xeon Gold 6538N

MSRP: $3351|Avg: $170

79%

#32

Ryzen 5 PRO 1600

MSRP: $219|Avg: $45

79%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Ryzen Threadripper PRO 3945WX across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Ryzen Threadripper PRO 3945WX specifications and capabilities.

⚡

Processing Power

The Ryzen Threadripper PRO 3945WX is a 12-core / 24-thread processor based on the Castle Peak (2020) architecture, manufactured on a 7 nm, 12 nm process node. It reaches a maximum boost clock of 4.3 GHz from a base frequency of 4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 64 MB of L3 cache, plus 512 kB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 33,455, placing it in the High-End performance tier as a Aging generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 1,652, while multi-core reaches 11,500. Cinebench R23 multi-core (measuring sustained rendering workload performance) scores 18,500.

Specification	Ryzen Threadripper PRO 3945WX
Cores / ThreadsPhysical/logical processing units	12C / 24T
Max Boost ClockPeak single-core speed under boost	4.3 GHz
Base ClockGuaranteed minimum operating frequency	4 GHz
ArchitectureCPU microarchitecture design	Castle Peak (2020)
Process NodeFabrication technology — smaller = more efficient	7 nm, 12 nm
L3 CacheShared cache — reduces memory latency for all cores	64 MB
L2 CachePer-core fast cache for frequently accessed data	512 kB (per core)
L1 CacheUltra-fast per-core cache	64 kB (per core)
Die SizePhysical silicon area of the processor	2x 74 mm2
Transistor CountMore transistors = more capabilities	7,600 million
64-bit Support	Yes
Windows 11 Compatible	Yes
PassMark ScoreOverall multi-threaded benchmark score	33,455
Cinebench R23 MultiSustained multi-core rendering performance	18,500
Geekbench 6 SingleSingle-core performance — most relevant for gaming	1,652
Geekbench 6 MultiMulti-core parallel workload performance	11,500

🧠

Memory & Platform

The Ryzen Threadripper PRO 3945WX fits into the sWRX8 socket and supports PCIe 4.0 with 128 total PCIe lanes for expansion cards and storage. It supports DDR4-3200 memory at speeds up to DDR4-3200 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 2048 GB across 8 channels (dual-channel doubles bandwidth). It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers.

Specification	Ryzen Threadripper PRO 3945WX
TypeDesktop or Laptop processor	server
SeriesProduct family	AMD Ryzen Threadripper
SocketMotherboard socket required	sWRX8
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 4.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	128
RAM TypeSupported memory standard	DDR4-3200
Max RAM SpeedMaximum officially supported memory frequency	DDR4-3200
Max RAM CapacityMaximum installable memory	2048 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	8
ECC SupportError-Correcting Code memory — prevents data corruption	Yes
Integrated GPUBuilt-in graphics processor	No
Compatible ChipsetsMotherboard chipsets that support this CPU	WRX80
Max CPUs in ConfigMulti-socket support for servers	1

🔧

Advanced Features

The Ryzen Threadripper PRO 3945WX is primarily designed for Professional Workstation. It features an unlocked multiplier, allowing enthusiasts to overclock beyond stock frequencies for additional performance. Virtualization: AMD-V — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Xeon w5-2455X.

Specification	Ryzen Threadripper PRO 3945WX
Primary Use CaseIntended workload category	Professional Workstation
OverclockingWhether CPU clock can be manually increased	✅ Unlocked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	AMD-V
Direct CompetitorMarket equivalent from rival manufacturer	Xeon w5-2455X

🌡️

Power & Cooling

The Ryzen Threadripper PRO 3945WX has a rated TDP (Thermal Design Power) of 280 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. No stock cooler is included — you will need to purchase an aftermarket cooler separately. Recommended cooling: sTRX4 / WRX80 Cooling.

Specification	Ryzen Threadripper PRO 3945WX
TDPThermal Design Power — heat output under sustained workload	280 Watt
Included CoolerStock cooler bundled in the box	No
Recommended CoolerSuggested aftermarket cooling solution	sTRX4 / WRX80 Cooling

💰

Value Analysis

At an average price of $100 (MSRP: $1149), the Ryzen Threadripper PRO 3945WX delivers 335 PassMark points per dollar. Performance ranking position: #366 out of all indexed processors.

Specification	Ryzen Threadripper PRO 3945WX
MSRPManufacturer's Suggested Retail Price	$1149
Avg Price (30d)Average market price over the last 30 days	$100
Launch PriceOriginal retail price at launch	$499
Performance RankPosition in overall performance ranking	#366
Release DateLaunch date	14 July 2020 (5 years ago)
Release Year	2020
DesignerArchitecture designer (e.g. Intel, AMD)	AMD
ManufacturerFabrication foundry (e.g. TSMC)	TSMC