
GeForce 6800 XT and GeForce 405 OEM - video card comparison
GeForce 6800 XT
GeForce 405 OEM
Architecture
Curie (2003−2013)
Tesla 2.0 (2007−2013)
GPU code name
NV42
GT216
Market segment
Desktop
Desktop
Release date
September 2005
September 2010
Interface
AGP 8x
PCIe 2.0 x16
Supplementary power connectors
1x Molex
None
Core clock speed
450 MHz
475 MHz
Floating-point performance
-
44.86 gflops
Manufacturing process technology
110 nm
40 nm
Number of transistors
202 million
486 million
Pipelines / CUDA cores
-
24
Power consumption (TDP)
-
25 Watt
Texture fill rate
5.400
5.700
Memory type
GDDR3
DDR2
Maximum RAM amount
256 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MBps
800 MBps
Memory bandwidth
38.4 GB/s
12.8 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
9.0c (9_3)
11.1 (10_1)
CUDA
-
1.2
OpenCL
N/A
1.1
OpenGL
2.0 (full)
Shader Model
3.04.1
Vulkan
N/A
N/A