GeForce 7900 GTO and Radeon HD 3450 - video card comparison
GeForce 7900 GTO
Radeon HD 3450
Architecture
Curie (2003−2013)
TeraScale (2005−2013)
GPU code name
G71
RV620
Market segment
Desktop
Desktop
Release date
October 2006
December 2007
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
650 MHz
600 MHz
Floating-point performance
-
48 gflops
Manufacturing process technology
90 nm
55 nm
Number of transistors
278 million
181 million
Pipelines / CUDA cores
-
40
Power consumption (TDP)
81 Watt
25 Watt
Texture fill rate
15.60
2.400
Memory type
GDDR3
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1320 MHz
1000 MHz
Memory bandwidth
42.24 GB/s
8 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
9.0c (9_3)
10.1 (10_1)
OpenCL
N/A
N/A
OpenGL
2.1
3.3
Shader Model
3.0
4.1
Vulkan
N/A
N/A