GeForce GT 540M and Radeon HD 7640G + HD 7670M Dual Graphics - video card comparison
GeForce GT 540M
Radeon HD 7640G + HD 7670M Dual Graphics
Architecture
Fermi (2010−2014)
Terascale 3 (2010−2013)
GPU code name
N12P-GS
-
Market segment
Laptop
Laptop
Release date
January 2011
May 2012
Interface
MXM-A (3.0)
-
Core clock speed
672 MHz
655 / 600 MHz
CUDA cores
96
-
Floating-point performance
258.05 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
-
Pipelines / CUDA cores
96
736
Power consumption (TDP)
35 Watt
-
Texture fill rate
10.8 billion/sec
-
Memory type
DDR3
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
128 Bit
Memory clock speed
900 MHz
1800 MHz
Memory bandwidth
28.8 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
-
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-