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Maxwell GPU Surface Book (940M, GDDR5) and GeForce 920MX - video card comparison


Maxwell GPU Surface Book (940M, GDDR5)

GeForce 920MX


Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)

GPU code name
Surface Book
N16V-GMR

Market segment
Laptop
Laptop

Release date
October 2015
March 2015

Bus support
-
PCI Express 3.0

Interface
-
PCIe 3.0 x8

Supplementary power connectors
-
None

Boost clock speed
993 MHz
993 MHz

Core clock speed
954 MHz
965 MHz

Floating-point performance
-
602.1 gflops

Manufacturing process technology
28 nm
28 nm

Pipelines / CUDA cores
384
256

Power consumption (TDP)
-
16 Watt

Texture fill rate
-
23.83

Memory type
GDDR5
DDR3, GDDR5

Maximum RAM amount
1 GB
2 GB

Memory bus width
64 Bit
64 Bit

Memory clock speed
5012 MHz
1800 MHz

Memory bandwidth
-
14.4 GB/s

Shared memory
-
-

Display Connectors
-
No outputs

DirectX
DirectX 12 (FL 11_0), Shader 5.0
12 (11_0)

CUDA
+
+

OpenCL
-
1.2

OpenGL
-
4.5

Shader Model
-
5.1

Vulkan
-
1.1.126

GameWorks
-
+

GPU Boost
-
2.0

Optimus
+
+