GeForce RTX 4080 and A2 PCIe - video card comparison
GeForce RTX 4080
A2 PCIe
Architecture
Ada Lovelace
Ampere (2020−2022)
GPU code name
AD103-300-A1
GA107
Market segment
Desktop
Desktop
Release date
September 2022
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 16-pin
None
Boost clock speed
2505 MHz
1770 MHz
Core clock speed
2205 MHz
-
Manufacturing process technology
5 nm
8 nm
Number of transistors
45,900 million
8,700 million
Pipelines / CUDA cores
9728
1280
Power consumption (TDP)
320 Watt
60 Watt
Texture fill rate
761.5
70.80
Memory type
GDDR6X
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
22400 MHz
12.5 GB/s
Memory bandwidth
716.8 GB/s
200.1 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
8.6
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3