GeForce GT 420M and Radeon R3 Graphics - video card comparison
GeForce GT 420M
Radeon R3 Graphics
Architecture
Fermi (2010−2014)
GCN 2.0 (2013−2017)
GPU code name
N11P-GE
Beema
Market segment
Laptop
Desktop
Release date
September 2010
January 2015
Interface
PCIe 2.0 x16
IGP
Boost clock speed
-
600 MHz
Core clock speed
500 MHz
267 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
153.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
930 million
Pipelines / CUDA cores
96
128
Power consumption (TDP)
23 Watt
15 Watt
Texture fill rate
6.0 billion/sec
4.800
Memory type
(G)DDR3
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
800 MHz
System Shared
Memory bandwidth
25.6 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131