Radeon HD 7660D and HD Graphics 400 - video card comparison
Radeon HD 7660D
HD Graphics 400
Architecture
Terascale 3 (2010−2013)
Generation 8.0 (2014−2015)
GPU code name
Trinity
Braswell GT1
Market segment
Desktop
Desktop
Release date
September 2012
April 2015
Interface
IGP
PCIe 3.0 x1
Boost clock speed
800 MHz
640 MHz
Core clock speed
633 MHz
320 MHz
Floating-point performance
-
134.4 gflops
Manufacturing process technology
32 nm
14 nm
Number of transistors
1,303 million
189 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
100 Watt
6 Watt
Texture fill rate
19.20
7.680
Memory type
System Shared
DDR3L
Maximum RAM amount
System Shared
8 GB
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
2.0
OpenGL
4.4
4.3
Shader Model
5.0
5.1
Vulkan
N/A
1.1.80