
GeForce GT 420M and Radeon HD 7450 OEM - video card comparison
GeForce GT 420M
Radeon HD 7450 OEM
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
N11P-GE
Caicos
Market segment
Laptop
Desktop
Release date
September 2010
January 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
500 MHz
625 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
200.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
370 million
Pipelines / CUDA cores
96
160
Power consumption (TDP)
23 Watt
18 Watt
Texture fill rate
6.0 billion/sec
5.000
Memory type
(G)DDR3
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
1066 MHz
Memory bandwidth
25.6 GB/s
8.528 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI
HDMI
-
+
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A