Radeon 680M and GeForce RTX 4080 Max-Q - video card comparison
Radeon 680M
GeForce RTX 4080 Max-Q
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
RDNA 2 Rembrandt
AD104
Market segment
Laptop
Desktop
Release date
January 2022
January 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
2400 MHz
1350 MHz
Manufacturing process technology
6 nm
4 nm
Number of transistors
13,100 million
35,800 million
Pipelines / CUDA cores
768
7424
Power consumption (TDP)
45 Watt
60 Watt
Texture fill rate
115.2
313.2
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
12 GB
Memory bus width
System Shared
192 Bit
Memory clock speed
System Shared
14 GB/s
Memory bandwidth
-
336.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3