GeForce GT 420M and Radeon R5 Mobile Graphics - video card comparison
GeForce GT 420M
Radeon R5 Mobile Graphics
Architecture
Fermi (2010−2014)
GCN 2.0 (2013−2017)
GPU code name
N11P-GE
Spectre SL
Market segment
Laptop
Laptop
Release date
September 2010
September 2014
Interface
PCIe 2.0 x16
IGP
Boost clock speed
-
847 MHz
Core clock speed
500 MHz
626 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
2,410 million
Pipelines / CUDA cores
96
256
Power consumption (TDP)
23 Watt
17 Watt
Texture fill rate
6.0 billion/sec
10.02
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
Portable Device Dependent
DirectX
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.5 (6.0)
Vulkan
N/A
1.2.170