
HD Graphics 400 and Radeon X1900 XT - video card comparison
HD Graphics 400
Radeon X1900 XT
Architecture
Generation 8.0 (2014−2015)
R500 (2005−2007)
GPU code name
Braswell GT1
R580
Market segment
Desktop
Desktop
Release date
April 2015
January 2006
Interface
PCIe 3.0 x1
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
625 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
90 nm
Number of transistors
189 million
384 million
Pipelines / CUDA cores
96
-
Power consumption (TDP)
6 Watt
100 Watt
Texture fill rate
7.680
10.00
Memory type
DDR3L
GDDR3
Maximum RAM amount
8 GB
256 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
1450 MBps
Memory bandwidth
-
46.4 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.3
2.1 (full)
Shader Model5.13.0
Vulkan
1.1.80
N/A