Maxwell GPU Surface Book and Radeon R5 M240 - video card comparison
Maxwell GPU Surface Book
Radeon R5 M240
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
Surface Book
Jet XT / Sun
Market segment
Laptop
Laptop
Release date
October 2015
September 2014
Bus support
-
Not Listed
Interface
-
PCIe 3.0 x8
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
1030 MHz
Floating-point performance
-
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
690 million
Pipelines / CUDA cores
384
320
Texture fill rate
-
20.60
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
-
14.4 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
+
DirectX
12 (FL 11_0)
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
5.1
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+