Radeon RX 6900 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon RX 6900 vs GeForce RTX 4090
Radeon RX 6900
27642
GeForce RTX 4090
39777
Radeon RX 6900
GeForce RTX 4090
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
AD102-300-A1
Market segment
Desktop
Desktop
Release date
October 2020
September 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
2105 MHz
2520 MHz
Core clock speed
-
2235 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
23,000 million
76,300 million
Pipelines / CUDA cores
4608
16384
Power consumption (TDP)
255 Watt
450 Watt
Texture fill rate
606.2
1,290
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
16 GB/s
21000 MHz
Memory bandwidth
512.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3