GeForce 6800 GT and GeForce GT 635 OEM - video card comparison
GeForce 6800 GT
GeForce GT 635 OEM
Architecture
Curie (2003−2013)
Kepler 2.0 (2013−2015)
GPU code name
NV45
GK208
Market segment
Desktop
Desktop
Release date
June 2004
October 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Core clock speed
350 MHz
967 MHz
Floating-point performance
-
742.7 gflops
Manufacturing process technology
130 nm
28 nm
Number of transistors
222 million
915 million
Pipelines / CUDA cores
-
384
Power consumption (TDP)
67 Watt
35 Watt
Texture fill rate
5.600
30.94
Memory type
GDDR3
DDR3
Maximum RAM amount
256 MB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
32 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
9.0c (9_3)
12 (11_0)
CUDA
-
3.5
OpenCL
N/A
1.2
OpenGL
2.1
4.6
Shader Model
3.0
5.1
Vulkan
N/A
1.1.126