Radeon RX 6800 and RTX A4000 Mobile - video card comparison
Radeon RX 6800
RTX A4000 Mobile
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA104
Market segment
Desktop
Laptop
Release date
November 2020
April 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
-
Boost clock speed
2105 MHz
1680 MHz
Core clock speed
1815 MHz
780 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
26,800 million
17,400 million
Pipelines / CUDA cores
3840
5120
Power consumption (TDP)
250 Watt
140 Watt (80 - 125 Watt TGP)
Texture fill rate
505.2
290.9
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
16000 MHz
12000 MHz
Memory bandwidth
512.0 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.2