Radeon RX 6900 XTX and Radeon RX 7800 XT - video card comparison
Radeon RX 6900 XTX
Radeon RX 7800 XT
Architecture
RDNA 2.0 (2020−2022)
RDNA 3
GPU code name
Navi 21
Navi 32
Market segment
Desktop
Desktop
Release date
October 2020
August 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
2435 MHz
2430 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
26,800 million
28,100 million
Pipelines / CUDA cores
5120
3840
Power consumption (TDP)
330 Watt
263 Watt
Texture fill rate
779.2
604.8
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
18 GB/s
19500 MHz
Memory bandwidth
576.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
1x HDMI 2.1a, 3x DisplayPort 2.1
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
2.2
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3