Radeon HD 3850 X2 and Radeon HD 4830 - video card comparison
Passmark - benchmark score Radeon HD 3850 X2 vs Radeon HD 4830
Radeon HD 3850 X2
847
Radeon HD 4830
860
Radeon HD 3850 X2
Radeon HD 4830
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV670
RV770
Market segment
Desktop
Desktop
Release date
April 2008
October 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
669 MHz
575 MHz
Floating-point performance
2x 428.2 gflops
736.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
666 million
956 million
Pipelines / CUDA cores
320
640
Power consumption (TDP)
140 Watt
95 Watt
Texture fill rate
10.70
18.40
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1656 MHz
1800 MHz
Memory bandwidth
52.99 GB/s
57.6 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