Mobility Radeon HD 3450 and Radeon HD 4270 - video card comparison
Mobility Radeon HD 3450
Radeon HD 4270
Architecture
RV6xx (2007−2010)
RV6xx (2007−2010)
GPU code name
M82
RS880M
Market segment
Laptop
Laptop
Release date
January 2007
May 2010
Interface
MXM-II
-
Core clock speed
500 MHz
590 MHz
Floating-point performance
40 gflops
-
Manufacturing process technology
55 nm
55 nm
Number of transistors
181 million
-
Pipelines / CUDA cores
40
40
Power consumption (TDP)
12 Watt
-
Texture fill rate
2.000
-
Memory type
DDR2/GDDR3
-
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
-
Memory clock speed
700 MHz
-
Memory bandwidth
6.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
10.1
10.1
OpenCL
N/A
-
OpenGL
3.3
-
Shader Model
4.1
-
Vulkan
N/A
-