
HD Graphics 400 and Xbox XGPU-B - video card comparison
HD Graphics 400
Xbox XGPU-B
Architecture
Generation 8.0 (2014−2015)
Kelvin (2001−2003)
GPU code name
Braswell GT1
NV2A
Market segment
Desktop
Desktop
Release date
April 2015
November 2001
Interface
PCIe 3.0 x1
AGP 4x
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
233 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
150 nm
Number of transistors
189 million
57 million
Pipelines / CUDA cores
96
-
Power consumption (TDP)
6 Watt
-
Texture fill rate
7.680
1.864
Memory type
DDR3L
DDR
Maximum RAM amount
8 GB
64 MB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
400 MHz
Memory bandwidth
-
6.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
8.1
OpenCL
2.0
N/A
OpenGL
4.3
1.4
Shader Model
5.1
-
Vulkan
1.1.80
N/A