AMD Ryzen 5 PRO 4655G vs AMD Ryzen 9 3900XT

Comparative analysis of AMD Ryzen 5 PRO 4655G and AMD Ryzen 9 3900XT processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 5 PRO 4655G

AMD Ryzen 9 3900XT

Differences

Reasons to consider the AMD Ryzen 5 PRO 4655G

CPU is newer: launch date 2 year(s) 4 month(s) later
Around 62% lower typical power consumption: 65 Watt vs 105 Watt

Launch date	11 Nov 2022 vs July 2020
Thermal Design Power (TDP)	65 Watt vs 105 Watt

Reasons to consider the AMD Ryzen 9 3900XT

Processor is unlocked, an unlocked multiplier allows for easier overclocking
6 more cores, run more applications at once: 12 vs 6
12 more threads: 24 vs 12
Around 12% higher clock speed: 4.7 GHz vs 4.2 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
8x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 2748 vs 2696
2x better performance in PassMark - CPU mark: 32740 vs 16355

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	12 vs 6
Number of threads	24 vs 12
Maximum frequency	4.7 GHz vs 4.2 GHz
L2 cache	6 MB vs 512 KB (per core)
L3 cache	64 MB vs 8 MB (shared)
Benchmarks
PassMark - Single thread mark	2748 vs 2696
PassMark - CPU mark	32740 vs 16355

Compare benchmarks

CPU 1: AMD Ryzen 5 PRO 4655G
CPU 2: AMD Ryzen 9 3900XT

PassMark - Single thread mark

CPU 1

CPU 2

2696

2748

PassMark - CPU mark

CPU 1

CPU 2

16355

32740

Name	AMD Ryzen 5 PRO 4655G	AMD Ryzen 9 3900XT
PassMark - Single thread mark	2696	2748
PassMark - CPU mark	16355	32740
3DMark Fire Strike - Physics Score		8585

Compare specifications (specs)

	AMD Ryzen 5 PRO 4655G	AMD Ryzen 9 3900XT
Essentials
Launch date	11 Nov 2022	July 2020
Place in performance rating	645	623
Architecture codename		Zen 2
OPN PIB		100-100000277WOF
Vertical segment		Desktop
Performance
Base frequency	3.7 GHz	3.8 GHz
Die size	156 mm²
L1 cache	64 KB (per core)
L2 cache	512 KB (per core)	6 MB
L3 cache	8 MB (shared)	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum case temperature (TCase)	95°C
Maximum frequency	4.2 GHz	4.7 GHz
Number of cores	6	12
Number of threads	12	24
Transistor count	9,800 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR4	DDR4-3200
Max memory channels		2
Maximum memory size		128 GB
Compatibility
Configurable TDP	45 Watt
Max number of CPUs in a configuration	1
Sockets supported	AM4	AM4
Thermal Design Power (TDP)	65 Watt	105 Watt
Peripherals
PCIe configurations	Gen 3, 20 Lanes, (CPU only)
Max number of PCIe lanes		20
PCI Express revision		4.0