GeForce GT 420M and Mobility Radeon HD 540v - video card comparison
GeForce GT 420M
Mobility Radeon HD 540v
Architecture
Fermi (2010−2014)
Terascale 1 (2008−2010)
GPU code name
N11P-GE
M92
Market segment
Laptop
Laptop
Release date
September 2010
May 2010
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
-
None
Core clock speed
500 MHz
550 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
88 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
585 million
242 million
Pipelines / CUDA cores
96
80
Power consumption (TDP)
23 Watt
15 Watt
Texture fill rate
6.0 billion/sec
4.400
Memory type
(G)DDR3
GDDR3, DDR3, DDR2
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
800 MHz
Memory bandwidth
25.6 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A