Maxwell GPU Surface Book (940M, GDDR5) and GeForce GT 755M - video card comparison
Maxwell GPU Surface Book (940M, GDDR5)
GeForce GT 755M
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
Surface Book
N14P-
Market segment
Laptop
Laptop
Release date
October 2015
June 2013
Bus support
-
PCI Express 3.0, PCI Express 2.0
Interface
-
PCIe 3.0 x16
SLI-ready
-
-
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
980 MHz
Floating-point performance
-
752.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
31.36
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5012 MHz
5400 MHz
Memory bandwidth
-
86.4 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
-
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
DirectX
DirectX 12 (FL 11_0), Shader 5.0
12 API
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Vision / 3DTV Play
-
+
Blu-Ray 3D Support
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
-
+