Radeon HD 4850 and RV770 - video card comparison
Radeon HD 4850
RV770
Architecture
Terascale 1 (2008−2010)
TeraScale (2005−2013)
GPU code name
RV770
RV770
Market segment
Desktop
Desktop
Release date
June 2008
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
1x 6-pin
-
Core clock speed
625 MHz
-
Floating-point performance
1,000.0 gflops
-
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
956 million
Pipelines / CUDA cores
800
800
Power consumption (TDP)
110 Watt
-
Texture fill rate
25.00
-
Memory type
GDDR3
-
Maximum RAM amount
512 MB
-
Memory bus width
256 Bit
-
Memory clock speed
993 MHz
-
Memory bandwidth
63.55 GB/s
-
Display Connectors
2x DVI, 1x S-Video
-
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A