Comparison of AMD Ryzen 9 5900X and AMD Ryzen 9 3900XT

Attribute	AMD Ryzen 9 5900X ×	AMD Ryzen 9 3900XT ×
General Information
Brand	AMD	AMD
Series	AMD Ryzen	AMD Ryzen
Model	AMD Ryzen 9 5900X	AMD Ryzen 9 3900XT
CPU Cores and Base Frequency
CPU Cores	12	12
Frequency (GHz)	3.7	4.1
CPU Threads	24	24
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	+	+
Turbo (1 Core) (GHz)	4.8	4.7
Turbo (12 Cores) (GHz)	4.5	4.6
Encryption
AES-NI	+	+
Hardware codec support
JPEG	No	No
h264	No	No
h265 / HEVC (8 bit)	No	No
h265 / HEVC (10 bit)	No	No
VP8	No	No
AV1	No	No
VC-1	No	No
VP9	No	No
AVC	No	No
Memory And PCIe
Memory type	-	DDR4-3200
Max. Memory (GB)	128	128
PCIe lanes	20	20
PCIe version	4.0	4.0
ECC	+	+
Memory channels	2	2
Technical details
Release date (year)	2020	2020
Technology (Nm)	7	7
Socket	AM4	AM4
Virtualization	amd-v sev	amd-v sev
L3-Cache (MB)	64	64
L2-Cache (MB)	6	-
Architecture	Vermeer (Zen 3)	Zen 2 Refresh
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
Temp junction max (°C)	95	95
TDP (PL2) (W)	142	142
TDP (PL1) (W)	105	105
Benchmarks
Estimated results for PassMark CPU Mark	39,564	33,022
Geekbench 5, 64bit (Single-Core)	1,646	1,414
Geekbench 5, 64bit (Multi-Core)	14,650	12,974
Cinebench R15 (Single-Core)	270	219
Cinebench R15 (Multi-Core)	3,684	3,192
Cinebench R20 (Single-Core)	637	539
Cinebench R20 (Multi-Core)	8,468	7,244
Cinebench R23 (Single-Core)	1,622	1,354
Cinebench R23 (Multi-Core)	21,878	18,511