Radeon HD 3850 X2 and Radeon HD 4650 - video card comparison
Passmark - benchmark score Radeon HD 3850 X2 vs Radeon HD 4650
Radeon HD 3850 X2
847
Radeon HD 4650
246
Radeon HD 3850 X2
Radeon HD 4650
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV670
RV730
Market segment
Desktop
Desktop
Release date
April 2008
September 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
669 MHz
600 MHz
Floating-point performance
2x 428.2 gflops
384.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
666 million
514 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
140 Watt
48 Watt
Texture fill rate
10.70
19.20
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1656 MHz
1400 MHz
Memory bandwidth
52.99 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A