Radeon HD 4650 and Radeon HD 3870 - video card comparison
Passmark - benchmark score Radeon HD 4650 vs Radeon HD 3870
Radeon HD 4650
246
Radeon HD 3870
572
Radeon HD 4650
Radeon HD 3870
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV730
RV670
Market segment
Desktop
Desktop
Release date
September 2008
November 2007
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
600 MHz
777 MHz
Floating-point performance
384.0 gflops
497.3 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
514 million
666 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
48 Watt
106 Watt
Texture fill rate
19.20
12.43
Memory type
GDDR3
GDDR4
Maximum RAM amount
256 MB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1400 MHz
2252 MHz
Memory bandwidth
22.4 GB/s
72.06 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A