AMD Ryzen 7 5800X3D vs AMD Ryzen 9 3950X

Comparative analysis of AMD Ryzen 7 5800X3D and AMD Ryzen 9 3950X 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Ryzen 7 5800X3D

AMD Ryzen 9 3950X

Differences

Reasons to consider the AMD Ryzen 7 5800X3D

CPU is newer: launch date 2 year(s) 4 month(s) later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 19% better performance in PassMark - Single thread mark: 3231 vs 2705

Specifications (specs)
Launch date	20 Apr 2022 vs 25 Nov 2019
L3 cache	96 MB vs 64 MB
Benchmarks
PassMark - Single thread mark	3231 vs 2705

Reasons to consider the AMD Ryzen 9 3950X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
8 more cores, run more applications at once: 16 vs 8
16 more threads: 32 vs 16
Around 4% higher clock speed: 4.7 GHz vs 4.5 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% better performance in PassMark - CPU mark: 38802 vs 28292
Around 48% better performance in 3DMark Fire Strike - Physics Score: 10804 vs 7297

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	16 vs 8
Number of threads	32 vs 16
Maximum frequency	4.7 GHz vs 4.5 GHz
L1 cache	1 MB vs 512 KB
L2 cache	8 MB vs 4 MB
Benchmarks
PassMark - CPU mark	38802 vs 28292
3DMark Fire Strike - Physics Score	10804 vs 7297

Compare benchmarks

CPU 1: AMD Ryzen 7 5800X3D
CPU 2: AMD Ryzen 9 3950X

PassMark - Single thread mark

CPU 1

CPU 2

3231

2705

PassMark - CPU mark

CPU 1

CPU 2

28292

38802

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7297

10804

Name	AMD Ryzen 7 5800X3D	AMD Ryzen 9 3950X
PassMark - Single thread mark	3231	2705
PassMark - CPU mark	28292	38802
3DMark Fire Strike - Physics Score	7297	10804
Geekbench 4 - Single Core		1296
Geekbench 4 - Multi-Core		14150

Compare specifications (specs)

	AMD Ryzen 7 5800X3D	AMD Ryzen 9 3950X
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	20 Apr 2022	25 Nov 2019
Launch price (MSRP)	$449	$749
OPN PIB	100-100000651WOF	100-100000051WOF
OPN Tray	100-000000651	100-000000051
Place in performance rating	580	594
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.4 GHz	3.5 GHz
Die size	74 mm²
L1 cache	512 KB	1 MB
L2 cache	4 MB	8 MB
L3 cache	96 MB	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	90 °C
Maximum frequency	4.5 GHz	4.7 GHz
Number of cores	8	16
Number of threads	16	32
Unlocked
64 bit support
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	AM4	AM4
Thermal Design Power (TDP)	105 Watt	105 Watt
Peripherals
Max number of PCIe lanes	20	40
PCI Express revision	4.0	4.0
Advanced Technologies
AMD SenseMI
AMD StoreMI technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)