AMD Threadripper PRO 7945WX vs AMD Ryzen Threadripper 3990X

Comparative analysis of AMD Threadripper PRO 7945WX and AMD Ryzen Threadripper 3990X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

AMD Threadripper PRO 7945WX

AMD Ryzen Threadripper 3990X

Differences

Reasons to consider the AMD Threadripper PRO 7945WX

CPU is newer: launch date 3 year(s) 8 month(s) later
Around 23% higher clock speed: 5.3 GHz vs 4.3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
Around 59% better performance in PassMark - Single thread mark: 4085 vs 2565

Specifications (specs)
Launch date	19 Oct 2023 vs 7 Feb 2020
Maximum frequency	5.3 GHz vs 4.3 GHz
Manufacturing process technology	5 nm vs 7 nm
Benchmarks
PassMark - Single thread mark	4085 vs 2565

Reasons to consider the AMD Ryzen Threadripper 3990X

52 more cores, run more applications at once: 64 vs 12
104 more threads: 128 vs 24
5.3x more L1 cache, more data can be stored in the L1 cache for quick access later
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 25% lower typical power consumption: 280 Watt vs 350 Watt
Around 63% better performance in PassMark - CPU mark: 80659 vs 49556

Specifications (specs)
Number of cores	64 vs 12
Number of threads	128 vs 24
L1 cache	4 MB vs 64 KB (per core)
L2 cache	32 MB vs 1 MB (per core)
L3 cache	256 MB vs 64 MB (shared)
Thermal Design Power (TDP)	280 Watt vs 350 Watt
Benchmarks
PassMark - CPU mark	80659 vs 49556

Compare benchmarks

CPU 1: AMD Threadripper PRO 7945WX
CPU 2: AMD Ryzen Threadripper 3990X

PassMark - Single thread mark

CPU 1

CPU 2

4085

2565

PassMark - CPU mark

CPU 1

CPU 2

49556

80659

Name	AMD Threadripper PRO 7945WX	AMD Ryzen Threadripper 3990X
PassMark - Single thread mark	4085	2565
PassMark - CPU mark	49556	80659
Geekbench 4 - Single Core		1214
Geekbench 4 - Multi-Core		23273
3DMark Fire Strike - Physics Score		18265

Compare specifications (specs)

	AMD Threadripper PRO 7945WX	AMD Ryzen Threadripper 3990X
Essentials
Launch date	19 Oct 2023	7 Feb 2020
Launch price (MSRP)	$1399	$3990
Place in performance rating	81	131
Architecture codename		Zen
OPN PIB		100-100000163WOF
OPN Tray		100-000000163
Vertical segment		Desktop
Performance
Base frequency	4.7 GHz	2.9 GHz
Die size	2x 71 mm²
L1 cache	64 KB (per core)	4 MB
L2 cache	1 MB (per core)	32 MB
L3 cache	64 MB (shared)	256 MB
Manufacturing process technology	5 nm	7 nm
Maximum core temperature	95°C	95 °C
Maximum frequency	5.3 GHz	4.3 GHz
Number of cores	12	64
Number of threads	24	128
Transistor count	13,140 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR4-3200
Max memory channels		8
Maximum memory size		512 GB
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	sTR5	sTRX4
Thermal Design Power (TDP)	350 Watt	280 Watt
Peripherals
PCIe configurations	Gen 5, 128 Lanes, (CPU only)
PCI Express revision		4.0
Advanced Technologies
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
The "Zen" Core Architecture
Virtualization
AMD Virtualization (AMD-V™)