Ryzen 9 5900XT vs Ryzen 9 3900XT

Place in the ranking	274	170
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	26.06	70.37
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 9	no data
Power efficiency	18.53	25.16
Architecture codename	Matisse 2 (2020)	Vermeer (2020−2024)
Release date	16 June 2020 (4 years ago)	31 July 2024 (less than a year ago)
Launch price (MSRP)	$499	$349

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900XT has 170% better value for money than Ryzen 9 3900XT.

Detailed specifications

Ryzen 9 3900XT and Ryzen 9 5900XT basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	12 (Dodeca-Core)	16 (Hexadeca-Core)
Threads	24	32
Base clock speed	3.8 GHz	3.3 GHz
Boost clock speed	4.7 GHz	4.8 GHz
L1 cache	768 KB	64 KB (per core)
L2 cache	6 MB	512 KB (per core)
L3 cache	64 MB	64 MB
Chip lithography	7 nm, 12 nm	7 nm
Die size	74 mm²	2x 74 mm²
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	3,800 million	8,300 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	+

Compatibility

Information on Ryzen 9 3900XT and Ryzen 9 5900XT compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	AM4	AM4
Power consumption (TDP)	105 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Ryzen 9 5900XT. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and Ryzen 9 5900XT are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900XT and Ryzen 9 5900XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Ryzen 9 5900XT.

PCIe version	4.0	4.0
PCI Express lanes	no data	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 9 3900XT 20.56

Ryzen 9 5900XT 27.91
+35.7%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 3900XT 32660

Ryzen 9 5900XT 44341
+35.8%