
GeForce GT 420M and HD Graphics 2500 - video card comparison
GeForce GT 420M
HD Graphics 2500
Architecture
Fermi (2010−2014)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
N11P-GE
Ivy Bridge GT1
Market segment
Laptop
Laptop
Release date
September 2010
April 2012
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Boost clock speed
-
1150 MHz
Core clock speed
500 MHz
650 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
13.8 gflops
Manufacturing process technology
40 nm
22 nm
Number of transistors
585 million
392 million
Pipelines / CUDA cores
96
6
Power consumption (TDP)
23 Watt
unknown
Texture fill rate
6.0 billion/sec
6.900
Memory type
(G)DDR3
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
800 MHz
System Shared
Memory bandwidth
25.6 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 API
11.1 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.0
Shader Model
5.1
5.0
Vulkan
N/A
1.1.80