GeForce RTX 3080 Ti 20 GB and GeForce GTX 1080 Ti 12 GB - video card comparison
GeForce RTX 3080 Ti 20 GB
GeForce GTX 1080 Ti 12 GB
Architecture
Ampere (2020−2022)
Pascal (2016−2021)
GPU code name
GA102
GP102
Market segment
Desktop
Desktop
Release date
January 2022
-
Interface
PCIe 4.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 12-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1665 MHz
1670 MHz
Manufacturing process technology
8 nm
16 nm
Number of transistors
28,300 million
11,800 million
Pipelines / CUDA cores
10240
3200
Power consumption (TDP)
350 Watt
250 Watt
Texture fill rate
532.8
334.0
Memory type
GDDR6X
GDDR5X
Maximum RAM amount
20 GB
12 GB
Memory bus width
320 Bit
384 Bit
Memory clock speed
19 GB/s
11 GB/s
Memory bandwidth
760.3 GB/s
528.4 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
1x HDMI 2.0, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 (12_1)
CUDA
8.6
6.1
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3