GeForce 7900 GS and Radeon HD 6450M - video card comparison
GeForce 7900 GS
Radeon HD 6450M
Architecture
Curie (2003−2013)
Terascale 2 (2009−2015)
GPU code name
G71
Seymour-PRO
Market segment
Desktop
Laptop
Release date
May 2006
January 2011
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
450 MHz
600 MHz
Floating-point performance
-
192 gflops
Manufacturing process technology
90 nm
40 nm
Number of transistors
278 million
370 million
Pipelines / CUDA cores
-
160
Power consumption (TDP)
49 Watt
-
Texture fill rate
9.000
4.800
Memory type
GDDR3
DDR3
Maximum RAM amount
256 MB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1320 MHz
800 MHz
Memory bandwidth
42.24 GB/s
12.8 GB/s
Shared memory
-
-
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