GeForce RTX 3080 Mobile and Radeon RX 6800 - video card comparison
GeForce RTX 3080 Mobile
Radeon RX 6800
Architecture
Ampere (2020−2022)
Navi / RDNA2 (2020−2022)
GPU code name
GN20-E7 GA104
Navi 21
Market segment
Laptop
Desktop
Release date
January 2021
November 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1245 - 1710 MHz
2105 MHz
Core clock speed
780 - 1100 MHz
1815 MHz
Manufacturing process technology
8 nm
7 nm
Number of transistors
17,400 million
26,800 million
Pipelines / CUDA cores
6144
3840
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
250 Watt
Texture fill rate
296.6
505.2
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
14000 MHz
16000 MHz
Memory bandwidth
384.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2