GeForce G105M and Mobility Radeon HD 4270 IGP - video card comparison
GeForce G105M
Mobility Radeon HD 4270 IGP
Architecture
Tesla 2.0 (2007−2013)
TeraScale (2005−2013)
GPU code name
GT218
RS880
Market segment
Laptop
Desktop
Release date
July 2009
May 2010
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
500 MHz
590 MHz
CUDA cores
8
-
Floating-point performance
25.6 gflops
-
Gigaflops
38
-
Manufacturing process technology
40 nm
55 nm
Number of transistors
260 million
181 million
Pipelines / CUDA cores
16
40
Power consumption (TDP)
14 Watt
-
Texture fill rate
4.000
2.360
Memory type
GDDR3
System Shared
Maximum RAM amount
Up to 512 MB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
500 (DDR2)/700 (GDDR3) MHz
System Shared
Memory bandwidth
8 (DDR2)/11 (GDDR3)
-
Display Connectors
VGADual Link DVISingle Link DVIDisplayPortHDMI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
DirectX
11.1 (10_1)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.0
OpenGL
2.1
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A
Power management
8.0
-