
GeForce 7800 GT and GeForce GTS 450 OEM - video card comparison
GeForce 7800 GT
GeForce GTS 450 OEM
Architecture
Curie (2003−2013)
Fermi (2010−2014)
GPU code name
G70
GF106
Market segment
Desktop
Desktop
Release date
August 2005
October 2010
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
400 MHz
790 MHz
Floating-point performance
-
455.0 gflops
Manufacturing process technology
110 nm
40 nm
Number of transistors
302 million
1,170 million
Pipelines / CUDA cores
-
144
Power consumption (TDP)
65 Watt
106 Watt
Texture fill rate
8.000
18.96
Memory type
GDDR3
GDDR5
Maximum RAM amount
256 MB
1536 MB
Memory bus width
256 Bit
192 Bit
Memory clock speed
1000 MHz
4000 MHz
Memory bandwidth
32 GB/s
96 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
9.0c (9_3)
12 (11_0)
CUDA
-
2.1
OpenCL
N/A
1.1
OpenGL
2.1
4.6
Shader Model
3.0
5.1
Vulkan
N/A
N/A