Radeon HD 7660G + HD 7670M Dual Graphics and GeForce GT 620M - video card comparison
Radeon HD 7660G + HD 7670M Dual Graphics
GeForce GT 620M
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
-
N13P-GLP / N13M-GS
Market segment
Laptop
Laptop
Release date
May 2012
March 2012
Bus support
-
PCI Express 2.0
Interface
-
PCIe 2.0 x16
Boost clock speed
-
715 MHz
Core clock speed
685 / 600 MHz
Up to 625 MHz
CUDA cores
-
96
Floating-point performance
-
253.4 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
-
585 million
Pipelines / CUDA cores
862
96
Power consumption (TDP)
-
15 Watt
Texture fill rate
-
Up to 10.0 billion/sec
Memory type
DDR3,GDDR5
DDR3
Maximum RAM amount
-
1 GB
Memory bus width
128 Bit
Up to 128bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
-
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11
12 API
CUDA
-
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
Optimus
-
+