Ryzen 9 PRO 3900 vs Ryzen 9 3950X

Primary details

Comparing Ryzen 9 3950X and Ryzen 9 PRO 3900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	177	250
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	14.96	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 9	AMD Ryzen 9
Architecture codename	Matisse (Zen 2) (2019−2020)	Zen 2 (2019−2020)
Release date	14 November 2019 (4 years ago)	30 September 2019 (4 years ago)
Launch price (MSRP)	$799	no data
Current price	$1272 (1.6x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 3950X and Ryzen 9 PRO 3900 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	16 (Hexadeca-Core)	12 (Dodeca-Core)
Threads	32	24
Base clock speed	3.5 GHz	3.1 GHz
Boost clock speed	4.7 GHz	4.3 GHz
L1 cache	96K (per core)	768 KB
L2 cache	512K (per core)	6 MB
L3 cache	64 MB	64 MB
Chip lithography	7 nm	7 nm, 12 nm
Die size	2 x 72 mm + 125 mm (IO-Die) mm2	no data
Number of transistors	19,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 3950X and Ryzen 9 PRO 3900 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 (Uniprocessor)	1 (Uniprocessor)
Socket	AM4	Socket AM4
Power consumption (TDP)	105 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Ryzen 9 PRO 3900. 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	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3950X and Ryzen 9 PRO 3900 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Ryzen 9 PRO 3900. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

-

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 3950X outperforms Ryzen 9 PRO 3900 by 23% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	25.07	20.44
Recency	14 November 2019	30 September 2019
Physical cores	16	12
Threads	32	24
Power consumption (TDP)	105 Watt	65 Watt

---

Should you still have questions on choice between Ryzen 9 3950X and Ryzen 9 PRO 3900, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---