
Maxwell GPU Surface Book (940M, GDDR5) and GeForce RTX 4070 Ti - video card comparison
Maxwell GPU Surface Book (940M, GDDR5)
GeForce RTX 4070 Ti
Architecture
Maxwell (2014−2018)
Ada Lovelace
GPU code name
Surface Book
AD104-400
Market segment
Laptop
Desktop
Release date
October 2015
January 2023
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
1x 12-pin
Boost clock speed
993 MHz
2610 MHz
Core clock speed
954 MHz
2310 MHz
Manufacturing process technology
28 nm
5 nm
Number of transistors
-
35,800 million
Pipelines / CUDA cores
384
7680
Power consumption (TDP)
-
285 Watt
Texture fill rate
-
626.4
Memory type
GDDR5
GDDR6X
Maximum RAM amount
1 GB
12 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
5012 MHz
21000 MHz
Memory bandwidth
-
504.2 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
DirectX 12 (FL 11_0), Shader 5.0
12 Ultimate (12_2)
CUDA
+
8.9
OpenCL
-
3.0
OpenGL
-
4.6
Shader Model
-
6.7
Vulkan
-
1.3
Optimus
+
-