HD Graphics 400 and Radeon HD 3870 - video card comparison
HD Graphics 400
Radeon HD 3870
Architecture
Generation 8.0 (2014−2015)
TeraScale (2005−2013)
GPU code name
Braswell GT1
RV670
Market segment
Desktop
Desktop
Release date
April 2015
November 2007
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
777 MHz
Floating-point performance
134.4 gflops
497.3 gflops
Manufacturing process technology
14 nm
55 nm
Number of transistors
189 million
666 million
Pipelines / CUDA cores
96
320
Power consumption (TDP)
6 Watt
106 Watt
Texture fill rate
7.680
12.43
Memory type
DDR3L
GDDR4
Maximum RAM amount
8 GB
512 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
2252 MHz
Memory bandwidth
-
72.06 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
10.1 (10_1)
OpenCL
2.0
N/A
OpenGL
4.3
3.3
Shader Model
5.1
4.1
Vulkan
1.1.80
N/A