HD Graphics 400 and Radeon HD 6870M - video card comparison
HD Graphics 400
Radeon HD 6870M
Architecture
Generation 8.0 (2014−2015)
Terascale 2 (2009−2015)
GPU code name
Braswell GT1
Granville-PRO
Market segment
Desktop
Laptop
Release date
April 2015
January 2011
Interface
PCIe 3.0 x1
MXM-B (3.0)
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
675 MHz
Floating-point performance
134.4 gflops
1,080.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
1,040 million
Pipelines / CUDA cores
96
800
Power consumption (TDP)
6 Watt
50 Watt
Texture fill rate
7.680
27.00
Memory type
DDR3L
DDR3, GDDR3, GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
1000 MHz
Memory bandwidth
-
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.3
4.4
Shader Model
5.1
5.0
Vulkan
1.1.80
N/A