Radeon RX 6900 XT and GeForce RTX 3090 SUPER - video card comparison
Radeon RX 6900 XT
GeForce RTX 3090 SUPER
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA102
Market segment
Desktop
Desktop
Release date
December 2020
-
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 12-pin
Boost clock speed
2250 MHz
1695 MHz
Core clock speed
1825 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)
300 Watt
400 Watt
Texture fill rate
720.0
569.5
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
16000 MHz
21.2 GB/s
Memory bandwidth
512.0 GB/s
1,018 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 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
6.5
6.6
Vulkan
1.2
1.2