GeForce GT 540M and GeForce GTX 490 - video card comparison
GeForce GT 540M
GeForce GTX 490
Architecture
Fermi (2010−2014)
Fermi (2010−2014)
GPU code name
N12P-GS
GF100
Market segment
Laptop
Desktop
Release date
January 2011
-
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
2x 8-pin
Core clock speed
672 MHz
608 MHz
CUDA cores
96
-
Floating-point performance
258.05 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
3,100 million
Pipelines / CUDA cores
96
480
Power consumption (TDP)
35 Watt
365 Watt
Texture fill rate
10.8 billion/sec
36.48
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1536 MB
Memory bus width
128 Bit
384 Bit
Memory clock speed
900 MHz
3.4 GB/s
Memory bandwidth
28.8 GB/s
164.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
3x DVI, 1x mini-DisplayPort
DirectX
12 API
12 (11_0)
CUDA
+
2.0
OpenCL
1.1
1.1
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-