GeForce RTX 3080 and Radeon RX 6900 XTX - video card comparison
GeForce RTX 3080
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
1710 MHz
2435 MHz
Core clock speed
1450 MHz
-
Manufacturing process technology
8 nm
7 nm
Number of transistors
28,300 million
26,800 million
Pipelines / CUDA cores
8704
5120
Power consumption (TDP)
320 Watt
330 Watt
Texture fill rate
465.1
779.2
Memory type
GDDR6X
GDDR6
Maximum RAM amount
10 GB
16 GB
Memory bus width
320 Bit
256 Bit
Memory clock speed
19000 MHz
18 GB/s
Memory bandwidth
760.3 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