GeForce GT 445M and Radeon HD 6620G + HD 7670M Dual Graphics - video card comparison
GeForce GT 445M
Radeon HD 6620G + HD 7670M Dual Graphics
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N11E-GE
-
Market segment
Laptop
Laptop
Release date
September 2010
February 2012
Interface
PCIe 2.0 x16
-
SLI options
+
-
Core clock speed
590 MHz
400 / 600 MHz
CUDA cores
144
-
Floating-point performance
339.8 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
-
Pipelines / CUDA cores
144
880
Power consumption (TDP)
35 Watt
-
Texture fill rate
10.6 billion/sec
-
Memory type
GDDR5
-
Maximum RAM amount
3 GB
-
Memory bus width
192 Bit
-
Memory clock speed
1250 MHz
1800 MHz
Memory bandwidth
60.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 API
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
N/A
-