Radeon HD 3850 and Radeon X1550 - video card comparison
Passmark - benchmark score Radeon HD 3850 vs Radeon X1550
Radeon HD 3850
404
Radeon X1550
68
Radeon HD 3850
Radeon X1550
Architecture
TeraScale (2005−2013)
Ultra-Threaded SE
GPU code name
RV670
RV516
Market segment
Desktop
Desktop
Release date
November 2007
2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
668 MHz
550 MHz
Floating-point performance
427.5 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
666 million
105 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
75 Watt
27 Watt
Texture fill rate
10.69
2.200
Memory type
GDDR3
DDR2
Maximum RAM amount
1 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1660 MHz
800 MBps
Memory bandwidth
53.12 GB/s
12.8 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A