GeForce 845M and UHD Graphics G4 - video card comparison
GeForce 845M
UHD Graphics G4
Architecture
Maxwell (2014−2018)
Generation 11.0 (2019−2020)
GPU code name
GM108
Lakefield GT1
Market segment
Laptop
Desktop
Release date
March 2014
May 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Boost clock speed
1150 MHz
500 MHz
Core clock speed
1071 MHz
-
Floating-point performance
883.7 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
384
384
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
37.63
16.00
Memory type
DDR3, GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
64/128 Bit
System Shared
Memory clock speed
2000 - 5000 MHz
System Shared
Memory bandwidth
40.1 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1
Optimus
+
-