Radeon RX 6900 XTX and GeForce RTX 3090 SUPER - video card comparison
Radeon RX 6900 XTX
GeForce RTX 3090 SUPER
Architecture
RDNA 2.0 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA102
Market segment
Desktop
Desktop
Release date
October 2020
-
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 12-pin
Boost clock speed
2435 MHz
1695 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
26,800 million
28,300 million
Pipelines / CUDA cores
5120
10752
Power consumption (TDP)
330 Watt
400 Watt
Texture fill rate
779.2
569.5
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
18 GB/s
21.2 GB/s
Memory bandwidth
576.0 GB/s
1,018 GB/s
Display Connectors
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.6
Vulkan
1.3
1.2