
Mobility Radeon HD 4550 and GeForce Go 7900 GTX - video card comparison
Mobility Radeon HD 4550
GeForce Go 7900 GTX
Architecture
Terascale 1 (2008−2010)
G7x (2005−2007)
GPU code name
M92
G71M
Market segment
Laptop
Laptop
Release date
January 2010
April 2006
Interface
MXM-II
PCIe 1.0 x16
Supplementary power connectors
None
None
Boost clock speed
-
500 MHz
Core clock speed
550 MHz
8 MHz
Floating-point performance
88 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
242 million
278 million
Pipelines / CUDA cores
80
32
Power consumption (TDP)
-
45 Watt
Texture fill rate
4.400
12.00
Memory type
GDDR3, DDR2, DDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
700 MHz
1200 MHz
Memory bandwidth
11.2 GB/s
38.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
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