
Maxwell GPU Surface Book and Radeon R8 M445DX - video card comparison
Maxwell GPU Surface Book
Radeon R8 M445DX
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
Surface Book
Meso
Market segment
Laptop
Laptop
Release date
October 2015
June 2016
Interface
-
IGP
Boost clock speed
993 MHz
1021 MHz
Core clock speed
954 MHz
720 / 1020 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
1,550 million
Pipelines / CUDA cores
384
704
Texture fill rate
-
20.42
Memory type
GDDR5
DDR3, DDR4
Maximum RAM amount
1 GB
System Shared
Memory bus width
64 Bit
128 + 64 Bit
Memory clock speed
5012 MHz
933 / 1000 MHz
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 (FL 11_0)
12 (12_0)
CUDA
+
-
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.0
Vulkan
-
1.2.131
Optimus
+
-