GeForce GTX 1080 SLI mobile vs GeForce RTX 3090

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 1080 SLI mobile and GeForce RTX 3090. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 1080 SLI mobile and GeForce RTX 3090. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GTX 1080 SLI mobile is a Laptop Graphics Card

Note: GeForce GTX 1080 SLI mobile is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 1080 SLI mobile here:

Main Specs

  GeForce GTX 1080 SLI mobile GeForce RTX 3090
Power consumption (TDP) 350 Watt
Interface PCIe 4.0 x16
Supplementary power connectors 1x 12-pin
Memory type GDDR5 GDDR6X
Maximum RAM amount 2x 8 GB 24 GB
Display Connectors 1x HDMI, 3x DisplayPort
  Check Price Check Price
  • GeForce RTX 3090 has 22 GB more memory, than GeForce GTX 1080 SLI mobile.
  • GeForce GTX 1080 SLI mobile is used in Laptops, and GeForce RTX 3090 - in Desktops.
  • GeForce GTX 1080 SLI mobile is build with Pascal architecture, and GeForce RTX 3090 - with Ampere.
  • Core clock speed of GeForce GTX 1080 SLI mobile is 156 MHz higher, than GeForce RTX 3090.
  • GeForce GTX 1080 SLI mobile is manufactured by 16 nm process technology, and GeForce RTX 3090 - by 8 nm process technology.
  • Memory clock speed of GeForce RTX 3090 is 9500 MHz higher, than GeForce GTX 1080 SLI mobile.

Game benchmarks

high / 1080p 80−85 100−105
ultra / 1080p 65−70 75−80
QHD / 1440p 50−55 65−70
4K / 2160p 35−40 50−55
low / 720p 100−110 110−120
medium / 1080p 95−100 110−120
The average gaming FPS of GeForce RTX 3090 in Assassin's Creed Odyssey is 20% more, than GeForce GTX 1080 SLI mobile.

Full Specs

  GeForce GTX 1080 SLI mobile GeForce RTX 3090
Architecture Pascal Ampere
Code name Pascal GP104 SLI Ampere GA102
Type Laptop Desktop
Release date 16 August 2016 24 September 2020
Pipelines 5120 10496
Core clock speed 1556 MHz 1400 MHz
Boost Clock 1733 MHz 1700 MHz
Transistor count 14400 Million 28,300 million
Manufacturing process technology 16 nm 8 nm
Texture fill rate 556.0
Length 313 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 10000 MHz 19500 MHz
Memory bandwidth 936.2 GB/s
Shared memory - -
G-SYNC support +
VR Ready +
DirectX DirectX 12_1 12 Ultimate (12_2)
Shader Model 6.5
OpenGL 4.6
OpenCL 2.0
Vulkan + 1.2
CUDA + 8.5
SLI options +
Laptop size large
  Check Price Check Price