UHD Graphics G4 and GeForce GT 640 OEM - video card comparison
UHD Graphics G4
GeForce GT 640 OEM
Architecture
Generation 11.0 (2019−2020)
Kepler (2012−2018)
GPU code name
Lakefield GT1
GK107
Market segment
Desktop
Desktop
Release date
May 2020
April 2012
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
500 MHz
-
Core clock speed
-
797 MHz
Floating-point performance
-
612.1 gflops
Manufacturing process technology
10 nm
28 nm
Number of transistors
-
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
15 Watt
50 Watt
Texture fill rate
16.00
25.50
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
1782 MHz
Memory bandwidth
-
28.51 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1
1.1.126