Maxwell GPU Surface Book and Radeon R7 M445 - video card comparison
Maxwell GPU Surface Book
Radeon R7 M445
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
Surface Book
Meso
Market segment
Laptop
Laptop
Release date
October 2015
May 2016
Interface
-
PCIe 3.0 x8
Boost clock speed
993 MHz
920 MHz
Core clock speed
954 MHz
920 MHz
Floating-point performance
-
588.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
1,550 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
-
15-25 Watt
Texture fill rate
-
18.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
5012 MHz
2000 MHz
Memory bandwidth
-
32 GB/s
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
+
-