GeForce GT 420M and Radeon R2 (Stoney Ridge) - video card comparison
GeForce GT 420M
Radeon R2 (Stoney Ridge)
Architecture
Fermi (2010−2014)
GCN 1.2/2.0 (2015−2016)
GPU code name
N11P-GE
Stoney Ridge
Market segment
Laptop
Laptop
Release date
September 2010
June 2016
Interface
PCIe 2.0 x16
-
Boost clock speed
-
600 MHz
Core clock speed
500 MHz
-
CUDA cores
96
-
Floating-point performance
192 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
3100 Million
Pipelines / CUDA cores
96
128
Power consumption (TDP)
23 Watt
15 Watt
Texture fill rate
6.0 billion/sec
-
Memory type
(G)DDR3
-
Maximum RAM amount
1 GB
-
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
-
Memory bandwidth
25.6 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 API
12 (FL 12_0)
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
N/A
+