HD Graphics 400 and GeForce 8400 - video card comparison
HD Graphics 400
GeForce 8400
Architecture
Generation 8.0 (2014−2015)
Tesla (2006−2010)
GPU code name
Braswell GT1
G98
Market segment
Desktop
Desktop
Release date
April 2015
December 2007
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
540 MHz
Floating-point performance
134.4 gflops
20.8 gflops
Manufacturing process technology
14 nm
65 nm
Number of transistors
189 million
210 million
Pipelines / CUDA cores
96
8
Power consumption (TDP)
6 Watt
25 Watt
Texture fill rate
7.680
4.320
Memory type
DDR3L
DDR2
Maximum RAM amount
8 GB
256 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
1000 MHz
Memory bandwidth
-
8 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
2.0
1.1
OpenGL
4.3
3.3
Shader Model
5.1
4.0
Vulkan
1.1.80
N/A