Maxwell GPU Surface Book (940M, GDDR5) and Radeon 780M - video card comparison
Maxwell GPU Surface Book (940M, GDDR5)
Radeon 780M
Architecture
Maxwell (2014−2018)
RDNA 3
GPU code name
Surface Book
Phoenix
Market segment
Laptop
Laptop
Release date
October 2015
January 2023
Interface
-
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
993 MHz
3000 MHz
Core clock speed
954 MHz
1500 MHz
Manufacturing process technology
28 nm
4 nm
Number of transistors
-
25,390 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
-
54 Watt (35 - 54 Watt TGP)
Texture fill rate
-
139.2
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
5012 MHz
System Shared
Shared memory
-
+
Display Connectors
-
Portable Device Dependent
DirectX
DirectX 12 (FL 11_0), Shader 5.0
12 Ultimate (12_2)
CUDA
+
-
OpenCL
-
2.1
OpenGL
-
4.6
Shader Model
-
6.7
Vulkan
-
1.3
Optimus
+
-