GeForce GTX 670MX and Radeon HD 6540G2 - video card comparison
GeForce GTX 670MX
Radeon HD 6540G2
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
N13E-GR
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Market segment
Laptop
Laptop
Release date
October 2012
June 2011
Bus support
PCI Express 2.0
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Interface
PCIe 3.0 x16
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SLI options
+
-
Core clock speed
600 MHz
-
CUDA cores
960
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Floating-point performance
1,154 gflops
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Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
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Pipelines / CUDA cores
960
480
Power consumption (TDP)
75 Watt
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Texture fill rate
48.0 billion/sec
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Memory type
GDDR5
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Maximum RAM amount
3 GB
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Memory bus width
192 Bit
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Memory clock speed
1400 MHz
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Memory bandwidth
67.2 GB/s
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Shared memory
-
-
Display Connectors
No outputs
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HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
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DirectX
12 API
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
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Shader Model
5.1
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Vulkan
1.1.126
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Optimus
+
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