GeForce 7800 GTX and GeForce 8800 GTS 320 - video card comparison
GeForce 7800 GTX
GeForce 8800 GTS 320
Architecture
Curie (2003−2013)
Tesla (2006−2010)
GPU code name
G70
G80
Market segment
Desktop
Desktop
Release date
June 2005
February 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
430 MHz
513 MHz
Floating-point performance
-
228.1 gflops
Manufacturing process technology
110 nm
90 nm
Number of transistors
302 million
681 million
Pipelines / CUDA cores
-
96
Power consumption (TDP)
86 Watt
143 Watt
Texture fill rate
10.32
24.62
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
320 MB
Memory bus width
256 Bit
320 Bit
Memory clock speed
1200 MHz
1584 MHz
Memory bandwidth
38.4 GB/s
63.36 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
11.1 (10_0)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
2.1
3.3
Shader Model
3.0
4.0
Vulkan
N/A
N/A