
GeForce 6800 XT and GeForce RTX 4090 Mobile - video card comparison
GeForce 6800 XT
GeForce RTX 4090 Mobile
Architecture
Curie (2003−2013)
Ada Lovelace
GPU code name
NV42
GN21-X11
Market segment
Desktop
Laptop
Release date
September 2005
January 2023
Interface
AGP 8x
PCIe 4.0 x16
Supplementary power connectors
1x Molex
-
Boost clock speed
-
2040 MHz
Core clock speed
450 MHz
-
Manufacturing process technology
110 nm
5 nm
Number of transistors
202 million
45,900 million
Pipelines / CUDA cores
-
9728
Power consumption (TDP)
-
150 Watt (80 - 150 Watt TGP)
Texture fill rate
5.400
515.3
Memory type
GDDR3
GDDR6
Maximum RAM amount
256 MB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MBps
20000 MHz
Memory bandwidth
38.4 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
Portable Device Dependent
DirectX
9.0c (9_3)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
N/A
3.0
OpenGL
2.0 (full)
Shader Model
3.06.7
Vulkan
N/A
1.3