Radeon HD 4855 and RSX-90nm - video card comparison
Radeon HD 4855
RSX-90nm
Architecture
TeraScale (2005−2013)
Curie (2003−2013)
GPU code name
RV770
RSX-90nm
Market segment
Desktop
Desktop
Release date
January 2010
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
1x 6-pin
-
Core clock speed
575 MHz
-
Floating-point performance
736.0 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
956 million
300 million
Pipelines / CUDA cores
640
-
Power consumption (TDP)
110 Watt
-
Texture fill rate
18.40
-
Memory type
GDDR5
-
Maximum RAM amount
512 MB
-
Memory bus width
256 Bit
-
Memory clock speed
3600 MHz
-
Memory bandwidth
115.2 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
-
HDMI
+
-
DirectX
10.1 (10_1)
N/A
OpenCL
1.1
N/A
OpenGL
3.3
ES 1.1
Shader Model
4.1
-
Vulkan
N/A
N/A