GeForce GT 555M and Mobility Radeon HD 4830 - video card comparison
GeForce GT 555M
Mobility Radeon HD 4830
Architecture
Fermi (2010−2014)
Terascale 1 (2008−2010)
GPU code name
N12E-GE-B
M97
Market segment
Laptop
Laptop
Release date
January 2011
March 2009
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
+
-
Boost clock speed
753 MHz
-
Core clock speed
Up to 753 MHz
550 MHz
CUDA cores
Up to 144
-
Floating-point performance
388.8 gflops
704.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
826 million
Pipelines / CUDA cores
144
640
Power consumption (TDP)
35 Watt
-
Texture fill rate
Up to 16.2 billion/sec
17.60
Memory type
DDR3\DDR5
GDDR3, DDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
Up to 192 bit/128 Bit
128 Bit
Memory clock speed
Up to 1569 MHz
700 MHz
Memory bandwidth
Up to 50.2 GB/s
44.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-