HD Graphics 400 and Mobility Radeon HD 3470 - video card comparison
HD Graphics 400
Mobility Radeon HD 3470
Architecture
Generation 8.0 (2014−2015)
RV6xx (2007−2010)
GPU code name
Braswell GT1
M82-XT
Market segment
Desktop
Laptop
Release date
April 2015
January 2007
Interface
PCIe 3.0 x1
MXM-II
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
680 MHz
Floating-point performance
134.4 gflops
54.4 gflops
Manufacturing process technology
14 nm
55 nm
Number of transistors
189 million
181 million
Pipelines / CUDA cores
96
40
Power consumption (TDP)
6 Watt
12 Watt
Texture fill rate
7.680
2.720
Memory type
DDR3L
DDR2/GDDR3
Maximum RAM amount
8 GB
256 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
800 MHz
Memory bandwidth
-
6.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
10.1
OpenCL
2.0
N/A
OpenGL
4.3
3.3
Shader Model
5.1
4.1
Vulkan
1.1.80
N/A