GeForce RTX 3080 Mobile and Radeon RX 6850 XT - video card comparison
GeForce RTX 3080 Mobile
Radeon RX 6850 XT
Architecture
Ampere (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
GN20-E7 GA104
Navi 21
Market segment
Laptop
Desktop
Release date
January 2021
2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1245 - 1710 MHz
2250 MHz
Core clock speed
780 - 1100 MHz
-
Manufacturing process technology
8 nm
7 nm
Number of transistors
17,400 million
26,800 million
Pipelines / CUDA cores
6144
4608
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
325 Watt
Texture fill rate
296.6
648.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
14000 MHz
18 GB/s
Memory bandwidth
384.0 GB/s
576.0 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
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.3