
Radeon RX 470 Mobile and Maxwell GPU Surface Book (940M, GDDR5) - video card comparison
Radeon RX 470 Mobile
Maxwell GPU Surface Book (940M, GDDR5)
Architecture
Polaris (2016−2019)
Maxwell (2014−2018)
GPU code name
Polaris 10 Pro
Surface Book
Market segment
Laptop
Laptop
Release date
August 2016
October 2015
Interface
MXM-B (3.0)
-
Boost clock speed
1206 MHz
993 MHz
Core clock speed
926 MHz
954 MHz
Floating-point performance
4,399 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
-
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
120 Watt
-
Texture fill rate
137.5
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
7000 MHz
5012 MHz
Memory bandwidth
224.0 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
6.4
-
Vulkan
1.2.131
-
FreeSync
+
-
Optimus
-
+