Radeon RX 6900 XTX and GeForce RTX 4090 D - video card comparison
Radeon RX 6900 XTX
GeForce RTX 4090 D
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
AD102
Market segment
Desktop
Desktop
Release date
October 2020
December 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
2435 MHz
2520 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
26,800 million
76,300 million
Pipelines / CUDA cores
5120
14592
Power consumption (TDP)
330 Watt
425 Watt
Texture fill rate
779.2
1,149
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
18 GB/s
21 GB/s
Memory bandwidth
576.0 GB/s
1,008 GB/s
Display Connectors
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3