Radeon HD 4855 and GeForce 7025 + nForce 630a - video card comparison
Radeon HD 4855
GeForce 7025 + nForce 630a
Architecture
TeraScale (2005−2013)
Curie (2003−2013)
GPU code name
RV770
C67
Market segment
Desktop
Desktop
Release date
January 2010
February 2006
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
1x 6-pin
-
Core clock speed
575 MHz
425 MHz
Floating-point performance
736.0 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
956 million
112 million
Pipelines / CUDA cores
640
-
Power consumption (TDP)
110 Watt
-
Texture fill rate
18.40
0.43
Memory type
GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
3600 MHz
System Shared
Memory bandwidth
115.2 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
1.1
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A