GeForce 8400 GS PCI vs GTX 1080 SLI Mobile

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking125not rated
Place by popularitynot in top-100not in top-100
ArchitecturePascal (2016−2021)Tesla 2.0 (2007−2013)
GPU code namePascal GP104 SLIGT218
Market segmentLaptopDesktop
Release date16 August 2016 (8 years ago)17 April 2007 (17 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores512016
Core clock speed1556 MHz520 MHz
Boost clock speed1733 MHzno data
Number of transistors14400 Million260 million
Manufacturing process technology16 nm40 nm
Power consumption (TDP)no data40 Watt
Texture fill rateno data4.160
Floating-point processing powerno data0.03936 TFLOPS
ROPsno data4
TMUsno data8

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargeno data
Interfaceno dataPCI
Lengthno data170 mm
Widthno data1-slot
Supplementary power connectorsno dataNone
SLI options+-

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5DDR3
Maximum RAM amount2x 8 GB512 MB
Memory bus width256 Bit64 Bit
Memory clock speed10000 MHz500 MHz
Memory bandwidthno data8 GB/s
Shared memory-no data

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectorsno data1x DVI, 1x HDMI, 1x VGA
HDMI-+
G-SYNC support+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

VR Ready+no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12_111.1 (10_1)
Shader Modelno data4.1
OpenGLno data3.3
OpenCLno data1.1
Vulkan+N/A
CUDA+1.2

Pros & cons summary


Recency 16 August 2016 17 April 2007
Chip lithography 16 nm 40 nm

GTX 1080 SLI Mobile has an age advantage of 9 years, and a 150% more advanced lithography process.

We couldn't decide between GeForce GTX 1080 SLI Mobile and GeForce 8400 GS PCI. We've got no test results to judge.

Be aware that GeForce GTX 1080 SLI Mobile is a notebook card while GeForce 8400 GS PCI is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GTX 1080 SLI Mobile
GeForce GTX 1080 SLI Mobile
NVIDIA GeForce 8400 GS PCI
GeForce 8400 GS PCI

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


1.6 3061 vote

Rate GeForce GTX 1080 SLI Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.7 645 votes

Rate GeForce 8400 GS PCI on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.