Radeon R9 M470 and Maxwell GPU Surface Book (940M, GDDR5) - video card comparison
Radeon R9 M470
Maxwell GPU Surface Book (940M, GDDR5)
Architecture
GCN 2 (2016)
Maxwell (2014−2018)
GPU code name
Saturn
Surface Book
Market segment
Laptop
Laptop
Release date
May 2016
October 2015
Interface
PCIe 3.0 x16
-
Boost clock speed
1000 MHz
993 MHz
Core clock speed
1000 MHz
954 MHz
Floating-point performance
1,536 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
-
Pipelines / CUDA cores
768
384
Texture fill rate
48.00
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
5012 MHz
Memory bandwidth
96 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
DirectX
12 (12_0)
DirectX 12 (FL 11_0), Shader 5.0
CUDA
-
+
OpenCL
2.0
-
OpenGL
4.6
-
Shader Model
6.3
-
Vulkan
1.2.131
-
Optimus
-
+