GeForce 840M

MaxwellGeForce 800M SeriesLaptopDesktopDDR32014Notebook OEM

Key Metrics

Architecture
Maxwell
Launch Date
2014-03-12
CUDA Cores
384
Memory
2 GB DDR3
Memory Bandwidth
16.02 GB/s
TDP/TBP
33 W
Interface
PCIe 3.0 x8
Add to comparison

Save this GPU, then open another GPU page to compare them side by side.

Why It Mattered

GeForce 840M matters as a mobile GeForce 800M Series implementation from the Maxwell generation around 2014. Laptop GPU names often hide large differences in power limits, cooling, memory, and OEM firmware, so tracking the exact variant explains why similarly named systems can perform differently.

Related GPUs

Back to GeForce 800M Series

Previous in series: GeForce 830MNext in series: GeForce 845M
Sources

Sources reviewed: 2026-08-13

This entry is still being source-checked.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

  • Verified: core specifications and historical notes have been reviewed against listed sources.
  • Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
  • Imported: spec-only imported entry pending editorial source review.
  • Needs source review: narrative notes are incomplete until reviewed.

Primary / manufacturer sources

  1. NVIDIA GeForce 800M line card (May 2014, Spanish)Official NVIDIA notebook-GPU line card listing memory-interface widths for the original GeForce 800M lineupOpen source

Independent reference sources

  1. TechPowerUp GPU SpecsModel-level specification reference for this GPU entryOpen source

Derived datasets and spec dumps

  1. RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

Found an incorrect spec, missing source, or variant issue?

Submit a correction