Radeon RX 7900 XTX and GeForce RTX 4080 Mobile - video card comparison
Radeon RX 7900 XTX
GeForce RTX 4080 Mobile
Architecture
RDNA 3
Ada Lovelace
GPU code name
Navi 31 XTX
GN21-X9
Market segment
Desktop
Laptop
Release date
November 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
-
Boost clock speed
2270 MHz
2280 MHz
Core clock speed
-
1860 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
57,700 million
35,800 million
Pipelines / CUDA cores
6144
7424
Power consumption (TDP)
355 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
959.6
386.3
Memory type
GDDR6
GDDR6X
Maximum RAM amount
24 GB
12 GB
Memory bus width
384 Bit
192 Bit
Memory clock speed
20000 MHz
20000 MHz
Memory bandwidth
960.0 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Portable Device Dependent
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