HD Graphics 400 and Tegra X1 GPU - video card comparison
HD Graphics 400
Tegra X1 GPU
Architecture
Generation 8.0 (2014−2015)
Maxwell 2.0 (2015−2019)
GPU code name
Braswell GT1
GM20B
Market segment
Desktop
Desktop
Release date
April 2015
January 2015
Interface
PCIe 3.0 x1
IGP
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
1000 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
20 nm
Number of transistors
189 million
2,000 million
Pipelines / CUDA cores
96
256
Power consumption (TDP)
6 Watt
15 Watt
Texture fill rate
7.680
16.00
Memory type
DDR3L
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
CUDA
-
5.3
OpenCL
2.0
1.2
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.80
1.1