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Maxwell GPU Surface Book (940M, GDDR5) and Radeon 520 - video card comparison

Maxwell GPU Surface Book (940M, GDDR5)

Radeon 520

Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
Surface Book
Oland
Market segment
Laptop
Laptop
Release date
October 2015
March 2017
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
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
-
1,040 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
20.60
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
5012 MHz
2250 MHz
Memory bandwidth
-
16 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
DirectX 12 (FL 11_0), Shader 5.0
12.0
CUDA
+
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.0
Vulkan
-
+
Optimus
+
-