GeForce RTX 4080 and A800 PCIe 80 GB - video card comparison
GeForce RTX 4080
A800 PCIe 80 GB
Architecture
Ada Lovelace
Ampere (2020−2022)
GPU code name
AD103-300-A1
GA100
Market segment
Desktop
Desktop
Release date
September 2022
November 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
8-pin EPS
Boost clock speed
2505 MHz
1410 MHz
Core clock speed
2205 MHz
-
Manufacturing process technology
5 nm
7 nm
Number of transistors
45,900 million
54,200 million
Pipelines / CUDA cores
9728
6912
Power consumption (TDP)
320 Watt
250 Watt
Texture fill rate
761.5
609.1
Memory type
GDDR6X
HBM2e
Maximum RAM amount
16 GB
80 GB
Memory bus width
256 Bit
5120 Bit
Memory clock speed
22400 MHz
3 GB/s
Memory bandwidth
716.8 GB/s
1,935 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
N/A
CUDA
8.9
8.0
OpenCL
3.0
3.0
OpenGL
4.6
N/A
Shader Model
6.6
N/A
Vulkan
1.3
N/A