Radeon RX 7900 XT and Radeon RX 7990 XTX - video card comparison
Radeon RX 7900 XT
Radeon RX 7990 XTX
Architecture
RDNA 3
RDNA 3.0 (2022)
GPU code name
Navi 31 XT
Navi 31
Market segment
Desktop
Desktop
Release date
November 2022
2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
3x 8-pin
Boost clock speed
2000 MHz
3599 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
57,700 million
57,700 million
Pipelines / CUDA cores
5376
6144
Power consumption (TDP)
315 Watt
405 Watt
Texture fill rate
804.4
1,382
Memory type
GDDR6
GDDR6
Maximum RAM amount
20 GB
24 GB
Memory bus width
320 Bit
384 Bit
Memory clock speed
20000 MHz
24 GB/s
Memory bandwidth
800.0 GB/s
1,152 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
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