Radeon RX 7800 XT and GeForce RTX 4080 Mobile - video card comparison
Radeon RX 7800 XT
GeForce RTX 4080 Mobile
Architecture
RDNA 3
Ada Lovelace
GPU code name
Navi 32
GN21-X9
Market segment
Desktop
Laptop
Release date
August 2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
-
Boost clock speed
2430 MHz
2280 MHz
Core clock speed
-
1860 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
28,100 million
35,800 million
Pipelines / CUDA cores
3840
7424
Power consumption (TDP)
263 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
604.8
386.3
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
19500 MHz
20000 MHz
Memory bandwidth
576.0 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1a, 3x DisplayPort 2.1
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.2
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3