Ryzen 5 PRO 3400G vs Ryzen 9 3900

Primary details

Comparing Ryzen 9 3900 and Ryzen 5 PRO 3400G processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	300	1139
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	20.74	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Matisse (Ryzen 3000 Desktop)	AMD Ryzen 5
Power efficiency	28.16	8.33
Architecture codename	Matisse (Zen 2) (2019−2020)	Zen+ (2018−2019)
Release date	24 September 2019 (5 years ago)	30 September 2019 (5 years ago)
Launch price (MSRP)	$499	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 3900 and Ryzen 5 PRO 3400G 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)	4 (Quad-Core)
Threads	24	8
Base clock speed	3.1 GHz	3.7 GHz
Boost clock speed	4.3 GHz	4.2 GHz
Bus type	no data	PCIe 3.0
Multiplier	no data	37
L1 cache	768 KB	384 KB
L2 cache	6 MB	2 MB
L3 cache	64 MB	4 MB
Chip lithography	7 nm, 12 nm	12 nm
Die size	2x 74 mm2	no data
Number of transistors	7,600 million	4940 Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 3900 and Ryzen 5 PRO 3400G 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 (Uniprocessor)
Socket	AM4	Socket AM4
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Ryzen 5 PRO 3400G. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Ryzen 5 PRO 3400G are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Ryzen 5 PRO 3400G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4-2933
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	51.196 GB/s	46.933 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon RX Vega 11

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Ryzen 5 PRO 3400G.

PCIe version	4.0	3.0
PCI Express lanes	24	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.

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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.

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Pros & cons summary

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Performance score	19.34	5.72
Physical cores	12	4
Threads	24	8
Chip lithography	7 nm	12 nm

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Should you still have questions on choice between Ryzen 9 3900 and Ryzen 5 PRO 3400G, ask them in Comments section, and we shall answer.

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