
GeForce GTX 1080 11Gbps and RTX A40 - video card comparison
GeForce GTX 1080 11Gbps
RTX A40
Architecture
Pascal (2016−2021)
Ampere (2020−2022)
GPU code name
GP104
GA102
Market segment
Desktop
Desktop
Release date
April 2017
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
1733 MHz
1755 MHz
Core clock speed
1607 MHz
-
Floating-point performance
8,873 gflops
-
Manufacturing process technology
16 nm
8 nm
Number of transistors
7,200 million
28,300 million
Pipelines / CUDA cores
2560
10752
Power consumption (TDP)
180 Watt
300 Watt
Texture fill rate
277.3
589.7
Memory type
GDDR5X
GDDR6
Maximum RAM amount
8 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
11008 MHz
14.5 GB/s
Memory bandwidth
352.3 GB/s
695.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
3x DisplayPort
HDMI
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
6.1
8.6
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2