GeForce GT 420M and Radeon HD 7550M - video card comparison
Passmark - benchmark score GeForce GT 420M vs Radeon HD 7550M
GeForce GT 420M
417
Radeon HD 7550M
478
GeForce GT 420M
Radeon HD 7550M
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N11P-GE
Thames-LP / Pro
Market segment
Laptop
Laptop
Release date
September 2010
January 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Boost clock speed
-
550 MHz
Core clock speed
500 MHz
450 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
480.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
716 million
Pipelines / CUDA cores
96
400
Power consumption (TDP)
23 Watt
14 Watt
Texture fill rate
6.0 billion/sec
12.00
Memory type
(G)DDR3
GDDR5 / DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
3200 / 1800 MHz
Memory bandwidth
25.6 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
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