GeForce RTX 3090 and Radeon RX 6900 XTX - video card comparison
GeForce RTX 3090
Radeon RX 6900 XTX
Architecture
Ampere (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
Ampere GA102
Navi 21
Market segment
Desktop
Desktop
Release date
September 2020
October 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
2x 8-pin
Boost clock speed
1700 MHz
2435 MHz
Core clock speed
1400 MHz
-
Manufacturing process technology
8 nm
7 nm
Number of transistors
28,300 million
26,800 million
Pipelines / CUDA cores
10496
5120
Power consumption (TDP)
350 Watt
330 Watt
Texture fill rate
556.0
779.2
Memory type
GDDR6X
GDDR6
Maximum RAM amount
24 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
19500 MHz
18 GB/s
Memory bandwidth
936.2 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.5
-
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3