Radeon HD 7450A and Radeon HD 2900 GT - video card comparison
Passmark - benchmark score Radeon HD 7450A vs Radeon HD 2900 GT
Radeon HD 7450A
297
Radeon HD 2900 GT
301
Radeon HD 7450A
Radeon HD 2900 GT
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Caicos
R600
Market segment
Desktop
Desktop
Release date
January 2012
November 2007
Interface
MXM-A (3.0)
PCIe 1.0 x16
Supplementary power connectors
-
1x 8-pin
Core clock speed
625 MHz
601 MHz
Floating-point performance
200.0 gflops
288.48 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
370 million
720 million
Pipelines / CUDA cores
160
240
Power consumption (TDP)
25 Watt
150 Watt
Texture fill rate
5.000
7.212
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1600 MHz
1600 MHz
Memory bandwidth
12.8 GB/s
51.2 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.0 (10_0)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
N/A
N/A