GeForce GT 745M and Radeon HD 6620G + HD 7670M Dual Graphics - video card comparison
GeForce GT 745M
Radeon HD 6620G + HD 7670M Dual Graphics
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
N14P-LP/GS
-
Market segment
Laptop
Laptop
Release date
April 2013
February 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
-
Core clock speed
837 MHz
400 / 600 MHz
Floating-point performance
642.8 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
-
Pipelines / CUDA cores
384
880
Power consumption (TDP)
45 Watt
-
Texture fill rate
17.57
-
Memory type
DDR3, GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
64 GB/s
-
Shared memory
-
+
Standard memory configuration
DDR3/GDDR5
-
Display Connectors
No outputs
-
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
-
7.1 channel HD audio on HDMI
+
-
DirectX
12 API
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
1.1.126
-
3D Vision / 3DTV Play
+
-
Blu-Ray 3D Support
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-