GeForce GT 820M and GeForce GT 540M - video card comparison
Passmark - benchmark score GeForce GT 820M vs GeForce GT 540M
GeForce GT 820M
584
GeForce GT 540M
493
GeForce GT 820M
GeForce GT 540M
Architecture
Fermi 2.0 (2010−2014)
Fermi (2010−2014)
GPU code name
GF117
N12P-GS
Market segment
Desktop
Laptop
Release date
November 2013
January 2011
Interface
PCIe 2.0 x16
MXM-A (3.0)
Core clock speed
775 MHz
672 MHz
CUDA cores
-
96
Floating-point performance
297.6 gflops
258.05 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
585 million
Pipelines / CUDA cores
96
96
Power consumption (TDP)
15 Watt
35 Watt
Texture fill rate
12.40
10.8 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
14.4 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 API
CUDA
2.1
+
OpenCL
1.1
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+