
Radeon HD 4830 and GeForce GT 425M - video card comparison
Passmark - benchmark score Radeon HD 4830 vs GeForce GT 425M
Radeon HD 4830
860
GeForce GT 425M
543
Radeon HD 4830
GeForce GT 425M
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
RV770
N11P-GS
Market segment
Desktop
Laptop
Release date
October 2008
August 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
575 MHz
560 MHz
CUDA cores
-
96
Floating-point performance
736.0 gflops
215.04 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
585 million
Pipelines / CUDA cores
640
96
Power consumption (TDP)
95 Watt
23 Watt
Texture fill rate
18.40
6.7 billion/sec
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1800 MHz
800 MHz
Memory bandwidth
57.6 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 API
CUDA
-
+
OpenCL
1.1
1.1
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A