
Radeon R8 M445DX and GeForce GT 420M - video card comparison
Passmark - benchmark score Radeon R8 M445DX vs GeForce GT 420M
Radeon R8 M445DX
820
GeForce GT 420M
417
Radeon R8 M445DX
GeForce GT 420M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Meso
N11P-GE
Market segment
Laptop
Laptop
Release date
June 2016
September 2010
Interface
IGP
PCIe 2.0 x16
Boost clock speed
1021 MHz
-
Core clock speed
720 / 1020 MHz
500 MHz
CUDA cores
-
96
Floating-point performance
-
192 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,550 million
585 million
Pipelines / CUDA cores
704
96
Power consumption (TDP)
-
23 Watt
Texture fill rate
20.42
6.0 billion/sec
Memory type
DDR3, DDR4
(G)DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
128 + 64 Bit
128 Bit
Memory clock speed
933 / 1000 MHz
800 MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.0
5.1
Vulkan
1.2.131
N/A