GeForce 7900 GTX and Radeon HD 7450A - video card comparison
Passmark - benchmark score GeForce 7900 GTX vs Radeon HD 7450A
GeForce 7900 GTX
399
Radeon HD 7450A
297
GeForce 7900 GTX
Radeon HD 7450A
Architecture
Curie (2003−2013)
TeraScale 2 (2009−2015)
GPU code name
G71
Caicos
Market segment
Desktop
Desktop
Release date
March 2006
January 2012
Interface
PCIe 1.0 x16
MXM-A (3.0)
Supplementary power connectors
1x 6-pin
-
Core clock speed
650 MHz
625 MHz
Floating-point performance
-
200.0 gflops
Manufacturing process technology
90 nm
40 nm
Number of transistors
278 million
370 million
Pipelines / CUDA cores
-
160
Power consumption (TDP)
84 Watt
25 Watt
Texture fill rate
15.60
5.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1600 MHz
1600 MHz
Memory bandwidth
51.2 GB/s
12.8 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
9.0c (9_3)
11.2 (11_0)
OpenCL
N/A
1.2
OpenGL
2.1
4.4
Shader Model
3.0
5.0
Vulkan
N/A
N/A