Radeon HD 4850 and Radeon X850 XT Platinum AGP - video card comparison
Radeon HD 4850
Radeon X850 XT Platinum AGP
Architecture
Terascale 1 (2008−2010)
R400 (2004−2008)
GPU code name
RV770
R481
Market segment
Desktop
Desktop
Release date
June 2008
February 2005
Interface
PCIe 2.0 x16
AGP 8x
Supplementary power connectors
1x 6-pin
1x Molex
Core clock speed
625 MHz
540 MHz
Floating-point performance
1,000.0 gflops
-
Manufacturing process technology
55 nm
130 nm
Number of transistors
956 million
160 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
110 Watt
67 Watt
Texture fill rate
25.00
8.640
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
993 MHz
1180 MHz
Memory bandwidth
63.55 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
1.1
N/A
OpenGL
3.3
2.0
Shader Model
4.1
-
Vulkan
N/A
N/A