Radeon RX 6800 XT and A800 SXM4 80 GB - video card comparison
Radeon RX 6800 XT
A800 SXM4 80 GB
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA100
Market segment
Desktop
Desktop
Release date
November 2020
August 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2250 MHz
1410 MHz
Core clock speed
1825 MHz
-
Manufacturing process technology
7 nm
7 nm
Number of transistors
26,800 million
54,200 million
Pipelines / CUDA cores
4608
6912
Power consumption (TDP)
300 Watt
400 Watt
Texture fill rate
648.0
609.1
Memory type
GDDR6
HBM2e
Maximum RAM amount
16 GB
80 GB
Memory bus width
256 Bit
5120 Bit
Memory clock speed
16000 MHz
3.2 GB/s
Memory bandwidth
512.0 GB/s
2,039 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
N/A
CUDA
-
8.0
OpenCL
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.5
N/A
Vulkan
1.2
N/A