Maxwell GPU Surface Book and Radeon R7 M270 - video card comparison
Maxwell GPU Surface Book
Radeon R7 M270
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
Surface Book
Opal XT / Mars
Market segment
Laptop
Laptop
Release date
October 2015
January 2014
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x8
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
825 MHz
Floating-point performance
-
633.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
950 million
Pipelines / CUDA cores
384
384
Texture fill rate
-
19.80
Memory type
GDDR5
Not Listed
Maximum RAM amount
1 GB
0 MB
Memory bus width
64 Bit
Not Listed
Memory clock speed
5012 MHz
-
Memory bandwidth
-
28.8 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 (FL 11_0)
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
5.1
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+