Maxwell GPU Surface Book (940M, GDDR5) and GeForce RTX 3070 Mobile - video card comparison
Maxwell GPU Surface Book (940M, GDDR5)
GeForce RTX 3070 Mobile
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
Surface Book
GN20-E5 GA104
Market segment
Laptop
Laptop
Release date
October 2015
January 2021
Interface
-
PCIe 4.0 x16
Boost clock speed
993 MHz
1290 - 1620 MHz
Core clock speed
954 MHz
780 - 1100 MHz
Manufacturing process technology
28 nm
8 nm
Number of transistors
-
17,400 million
Pipelines / CUDA cores
384
5120
Power consumption (TDP)
-
125 Watt
Texture fill rate
-
287.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
5012 MHz
14000 MHz
Memory bandwidth
-
320.0 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
DirectX 12 (FL 11_0), Shader 5.0
12 Ultimate (12_2)
CUDA
+
8.5
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.5
Vulkan
-
1.2
Optimus
+
-