Maxwell GPU Surface Book and Radeon R9 M385 - video card comparison
Maxwell GPU Surface Book
Radeon R9 M385
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
Surface Book
Strato
Market segment
Laptop
Laptop
Release date
October 2015
June 2015
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x16
Boost clock speed
993 MHz
1100 MHz
Core clock speed
954 MHz
-
Floating-point performance
-
1,792 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
2,080 million
Pipelines / CUDA cores
384
896
Texture fill rate
-
56.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5012 MHz
1500 MHz
Memory bandwidth
-
76.8 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
1
DirectX
12 (FL 11_0)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
6.3
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
+
ZeroCore
-
+