Radeon HD 4850 and Radeon X1650 XT - video card comparison
Radeon HD 4850
Radeon X1650 XT
Architecture
Terascale 1 (2008−2010)
R500 (2005−2007)
GPU code name
RV770
RV560
Market segment
Desktop
Desktop
Release date
June 2008
October 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
625 MHz
525 MHz
Floating-point performance
1,000.0 gflops
-
Manufacturing process technology
55 nm
80 nm
Number of transistors
956 million
330 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
110 Watt
55 Watt
Texture fill rate
25.00
4.200
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
993 MHz
1400 MHz
Memory bandwidth
63.55 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
1.1
N/A
OpenGL
3.3
2.0
Shader Model
4.1
3.0
Vulkan
N/A
N/A