Maxwell GPU Surface Book (940M, GDDR5) and GeForce RTX 4090 - video card comparison
Maxwell GPU Surface Book (940M, GDDR5)
GeForce RTX 4090
Architecture
Maxwell (2014−2018)
Ada Lovelace
GPU code name
Surface Book
AD102-300-A1
Market segment
Laptop
Desktop
Release date
October 2015
September 2022
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
993 MHz
2520 MHz
Core clock speed
954 MHz
2235 MHz
Manufacturing process technology
28 nm
5 nm
Number of transistors
-
76,300 million
Pipelines / CUDA cores
384
16384
Power consumption (TDP)
-
450 Watt
Texture fill rate
-
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
1 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
5012 MHz
21000 MHz
Memory bandwidth
-
1,008 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
-
6.6
Vulkan
-
1.3
Optimus
+
-