GeForce GTX 1080 Ti and A40 PCIe - video card comparison
GeForce GTX 1080 Ti
A40 PCIe
Architecture
Pascal (2016−2021)
Ampere (2020−2022)
GPU code name
GP102
GA102
Market segment
Desktop
Desktop
Release date
February 2017
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
8-pin EPS
SLI options
+
-
Boost clock speed
1600 MHz
1755 MHz
Core clock speed
1481 MHz
-
Floating-point performance
11,340 gflops
-
Manufacturing process technology
16 nm
8 nm
Number of transistors
11,800 million
28,300 million
Pipelines / CUDA cores
3584
10752
Power consumption (TDP)
250 Watt
300 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
589.7
Memory type
GDDR5X
GDDR6
Maximum RAM amount
11 GB
48 GB
Memory bus width
352 Bit
384 Bit
Memory clock speed
11000 MHz
14.5 GB/s
Memory bandwidth
484.4 GB/s
695.8 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
3x DisplayPort
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
6.4
6.5
Vulkan
+
1.2
Ansel
+
-
GPU Boost
3.0
-