AMD Ryzen 9 3900X CPU

AMD Ryzen 9 3900X 12-core 24-Thread Wraith Prism LED Cooler

★★★★★

(137 reviews)

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The world's most advanced processor in the desktop PC gaming segment
Can deliver ultra-fast 100+ FPS performance in the world's most popular games
12 Cores and 24 processing threads, bundled with the AMD Wraith Prism cooler with color-controlled LED support
4.6 GHz Max Boost, unlocked for overclocking, 70 MB of game Cache, ddr-3200 support
For the advanced socket AM4 platform, can support PCIe 4.0 on x570 motherboards

Specifications Overview

Model	100-100000023BOX Ryzen 9 3900X
Release Date	July 2019 * First availability for purchase, it may not correspond to the actual market launch date.
Series	Ryzen 9
Core Name	Matisse
Socket	AM4
Integrated Graphics	None
CPU Cores	12
CPU Threads	24
CPU Clock Rate	3800 MHz
CPU Turbo Clock Rate	4600 MHz
TDP	105 W
CPU Cooler included	Yes
Manufacturing Process	7 nm
Maximum Supported Memory	128 GB
Cache L3	64 MB

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C

AMD Ryzen 9 3900X Performance comparison with similar Processors

(Higher is better)

AMD Ryzen 9 3900X Performance

Cinebench R20 (Single-Core)

Intel Core i9-10900 [10C / 20T] (109th)		105%
Intel Core i5-11400 [6C / 12T] (109th)		105%
Intel Core i7-10700KF [8C / 16T] (113th)		104%
Intel Core i7-10700K [8C / 16T] (113th)		104%
AMD Ryzen 5 3600XT [6C / 12T] (115th)		103%
Intel Core i9-9900KS [8C / 16T] (116th)		103%
Intel Core i9-9900K [8C / 16T] (116th)		103%
Intel Core i9-9900KF [8C / 16T] (116th)		103%
Intel Core i9-9900 [8C / 16T] (116th)		103%
AMD Ryzen 7 3800X [8C / 16T] (120th)		101%
AMD Ryzen 9 3900X [12C / 24T] (121st)		100%
AMD Ryzen 5 3600X [6C / 12T] (122nd)		99%
AMD Ryzen 7 3700X [8C / 16T] (122nd)		99%
Intel Core i5-10600KF [6C / 12T] (122nd)		99%
Intel Core i5-10600K [6C / 12T] (122nd)		99%
Intel Core i7-10700 [8C / 16T] (126th)		99%
Intel Core i7-10700F [8C / 16T] (126th)		99%
Intel Core i7-7820X [8C / 16T] (128th)		99%
AMD Ryzen 3 3300X [4C / 8T] (129th)		98%
Intel Core i5-10600 [6C / 12T] (130th)		98%
Intel Core i7-8700K [6C / 12T] (131st)		97%

View chart ►

(Higher is better)

AMD Ryzen 9 3900X Workstation Performance

Cinebench R20 (Multi-Core)

AMD Ryzen 7 9700X [8C / 16T] (75th)		114%
AMD Ryzen 7 7700X [8C / 16T] (76th)		114%
AMD Ryzen 7 PRO 7745 [8C / 16T] (77th)		112%
AMD Ryzen 7 7700 [8C / 16T] (78th)		111%
Intel Core i9-7980XE [18C / 36T] (79th)		110%
Intel Core i9-9980XE [18C / 36T] (80th)		108%
AMD Ryzen 9 3900XT [12C / 24T] (81st)		104%
AMD Ryzen 7 8700F [8C / 16T] (82nd)		101%
AMD Ryzen 7 8700G [8C / 16T] (82nd)		101%
AMD Ryzen Threadripper 2950X [16C / 32T] (84th)		~
AMD Ryzen 9 3900X [12C / 24T] (85th)		100%
Intel Core i5-14400F [10C / 16T] (86th)		97%
Intel Core i5-14400 [10C / 16T] (86th)		97%
AMD Ryzen 7 7800X3D [8C / 16T] (88th)		97%
AMD Ryzen 5 9600X [6C / 12T] (89th)		96%
AMD Ryzen Threadripper 1950X [16C / 32T] (90th)		96%
Intel Core i5-12600K [10C / 16T] (91st)		96%
Intel Core i5-12600KF [10C / 16T] (91st)		96%
Intel Core i9-9960X [16C / 32T] (93rd)		95%
Intel Core Ultra 5 225 [10C / 10T] (94th)		94%
Intel Core Ultra 5 225F [10C / 10T] (94th)		94%

View chart ►

(Higher is better)

AMD Ryzen 9 3900X Gaming Performance

Gaming score is based on single thread performance, physics engine and L3 cache

Intel Core i5-12600K [10C / 16T] (60th)		107%
Intel Core i7-10700K [8C / 16T] (62nd)		105%
Intel Core i7-10700KF [8C / 16T] (62nd)		105%
Intel Core i9-14900F [24C / 32T] (64th)		105%
Intel Core Ultra 5 225 [10C / 10T] (65th)		102%
AMD Ryzen 9 5900XT [16C / 32T] (66th)		102%
AMD Ryzen 9 7900 [12C / 24T] (67th)		102%
Intel Core i5-12400F [6C / 12T] (68th)		102%
Intel Core Ultra 5 225F [10C / 10T] (69th)		101%
Intel Core i9-13900F [24C / 32T] (70th)		~
AMD Ryzen 9 3900X [12C / 24T] (71st)		100%
AMD Ryzen 9 3950X [16C / 32T] (72nd)		99%
AMD Ryzen 7 5800XT [8C / 16T] (73rd)		99%
AMD Ryzen 7 5700X [8C / 16T] (74th)		99%
AMD Ryzen 9 5950X [16C / 32T] (75th)		97%
AMD Ryzen 7 3700X [8C / 16T] (76th)		97%
AMD Ryzen 5 8400F [6C / 12T] (77th)		97%
Intel Core i9-11900K [8C / 16T] (78th)		96%
Intel Core i9-11900KF [8C / 16T] (78th)		96%
AMD Ryzen 5 9600 [6C / 12T] (80th)		95%
Intel Core i5-10600KF [6C / 12T] (81st)		95%

View chart ►

Expert reviews

AMD has proven with the Ryzen 9 3900X that they are no longer following, and are now the industry leader for enthusiast CPU’s

CGM

Read the full review

If you are deciding between a Core i9-9900K and the Ryzen 9 3900X we would recommend getting the Ryzen 9 3900X. Yes the Core i9-9900K might beat it in a few games by a few FPS, but the benefits of the higher core count, lower temperatures, and newer platform make the Ryzen 9 3900X an easy choice. Now if you are on a previous generation Ryzen chi...

ThinkComputers

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The AMD Ryzen 9 3900X is one of the best processors available for demanding creative tasks, thanks to super-high multi-core performance. It’s a versatile chip, too, with gaming performance proving to be solid. However, the Intel Core i9-9900K still holds the advantage here if you’re looking for a CPU for a dedicated gaming PC.

TrustedReviews

Read the full review