Radeon HD 3850 AGP and Radeon X850 XT Platinum - video card comparison
Passmark - benchmark score Radeon HD 3850 AGP vs Radeon X850 XT Platinum
Radeon HD 3850 AGP
445
Radeon X850 XT Platinum
83
Radeon HD 3850 AGP
Radeon X850 XT Platinum
Architecture
TeraScale (2005−2013)
R400 (2004−2008)
GPU code name
RV670
R480
Market segment
Desktop
Desktop
Release date
January 2008
December 2004
Interface
AGP 8x
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Core clock speed
668 MHz
540 MHz
Floating-point performance
427.5 gflops
-
Manufacturing process technology
55 nm
130 nm
Number of transistors
666 million
160 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
75 Watt
67 Watt
Texture fill rate
10.69
8.640
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1656 MHz
1180 MHz
Memory bandwidth
52.99 GB/s
37.76 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
9.0b (9_2)
OpenCL
N/A
N/A
OpenGL
3.3
2.0
Shader Model
4.1
-
Vulkan
N/A
N/A