GeForce RTX 4080 Mobile and Radeon 780M - video card comparison
GeForce RTX 4080 Mobile
Radeon 780M
Architecture
Ada Lovelace
RDNA 3
GPU code name
GN21-X9
Phoenix
Market segment
Laptop
Laptop
Release date
January 2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
2280 MHz
3000 MHz
Core clock speed
1860 MHz
1500 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
35,800 million
25,390 million
Pipelines / CUDA cores
7424
768
Power consumption (TDP)
150 Watt (60 - 150 Watt TGP)
54 Watt (35 - 54 Watt TGP)
Texture fill rate
386.3
139.2
Memory type
GDDR6X
System Shared
Maximum RAM amount
12 GB
System Shared
Memory bus width
192 Bit
System Shared
Memory clock speed
20000 MHz
System Shared
Memory bandwidth
432.0 GB/s
-
Shared memory
-
+
Display Connectors
Portable Device Dependent
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
-
OpenCL
3.0
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3