
Radeon 680M and GeForce RTX 4090 Ti - video card comparison
Radeon 680M
GeForce RTX 4090 Ti
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
RDNA 2 Rembrandt
AD102
Market segment
Laptop
Desktop
Release date
January 2022
2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
2x 16-pin
Boost clock speed
2400 MHz
2565 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
13,100 million
76,300 million
Pipelines / CUDA cores
768
18176
Power consumption (TDP)
45 Watt
600 Watt
Texture fill rate
115.2
1,457
Memory type
System Shared
GDDR6X
Maximum RAM amount
System Shared
24 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
24 GB/s
Memory bandwidth
-
1,152 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
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