UHD Graphics G4 and RTX A40 - video card comparison
UHD Graphics G4
RTX A40
Architecture
Generation 11.0 (2019−2020)
Ampere (2020−2022)
GPU code name
Lakefield GT1
GA102
Market segment
Desktop
Desktop
Release date
May 2020
October 2020
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
8-pin EPS
Boost clock speed
500 MHz
1755 MHz
Manufacturing process technology
10 nm
8 nm
Number of transistors
-
28,300 million
Pipelines / CUDA cores
384
10752
Power consumption (TDP)
15 Watt
300 Watt
Texture fill rate
16.00
589.7
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
48 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
14.5 GB/s
Memory bandwidth
-
695.8 GB/s
Display Connectors
No outputs
3x DisplayPort
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.1
1.2