
GeForce 6800 GT DDL and Neptune - video card comparison
GeForce 6800 GT DDL
Neptune
Architecture
Curie (2003−2013)
GCN 1.0 (2012−2020)
GPU code name
NV40
Neptune
Market segment
Desktop
Desktop
Release date
April 2004
-
Interface
AGP Pro 8x
-
Supplementary power connectors
None
-
Core clock speed
350 MHz
-
Manufacturing process technology
130 nm
28 nm
Number of transistors
222 million
2,800 million
Pipelines / CUDA cores
-
1280
Power consumption (TDP)
80 Watt
-
Texture fill rate
5.600
-
Memory type
GDDR3
-
Maximum RAM amount
256 MB
-
Memory bus width
256 Bit
-
Memory clock speed
1000 MHz
-
Memory bandwidth
32 GB/s
-
Display Connectors
2x DVI
-
DirectX
9.0c (9_3)
12 (11_1)
OpenCL
N/A
2.1 (1.2)
OpenGL
2.1
4.6
Shader Model
3.0
6.5 (5.1)
Vulkan
N/A
1.2.170