GeForce GTX 670MX and Radeon HD 7660G + HD 7670M Dual Graphics - video card comparison
GeForce GTX 670MX
Radeon HD 7660G + HD 7670M Dual Graphics
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
N13E-GR
-
Market segment
Laptop
Laptop
Release date
October 2012
May 2012
Bus support
PCI Express 2.0
-
Interface
PCIe 3.0 x16
-
SLI options
+
-
Core clock speed
600 MHz
685 / 600 MHz
CUDA cores
960
-
Floating-point performance
1,154 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
3,540 million
-
Pipelines / CUDA cores
960
862
Power consumption (TDP)
75 Watt
-
Texture fill rate
48.0 billion/sec
-
Memory type
GDDR5
DDR3,GDDR5
Maximum RAM amount
3 GB
-
Memory bus width
192 Bit
128 Bit
Memory clock speed
1400 MHz
1800 MHz
Memory bandwidth
67.2 GB/s
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Shared memory
-
-
Display Connectors
No outputs
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
1.1.126
-
Optimus
+
-