Radeon HD 4650 and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score Radeon HD 4650 vs Radeon HD 2900 XT
Radeon HD 4650
246
Radeon HD 2900 XT
679
Radeon HD 4650
Radeon HD 2900 XT
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV730
R600
Market segment
Desktop
Desktop
Release date
September 2008
May 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Core clock speed
600 MHz
743 MHz
Floating-point performance
384.0 gflops
475.5 gflops
Manufacturing process technology
55 nm
80 nm
Number of transistors
514 million
720 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
48 Watt
215 Watt
Texture fill rate
19.20
11.89
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
128 Bit
512 Bit
Memory clock speed
1400 MHz
1656 MHz
Memory bandwidth
22.4 GB/s
106.0 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.0 (10_0)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A