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LattePanda Sigma x86 single-board computer
LattePanda

LattePanda Sigma

Expert rating9 / 10

Single-board ComputersView on lattepanda.com
Processor:
Intel Core i5-1340P (12C/16T)
Memory:
Up to 32GB LPDDR5-6400 (onboard)
Connectivity:
2x 2.5GbE
Architecture:
x86-64

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Manufacturer: LattePanda Last updated: September 10, 2026

LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU) Review

The LattePanda Sigma is an x86 single-board computer built around the 12-core Intel Core i5-1340P with up to 32GB LPDDR5-6400, dual 2.5GbE, dual Thunderbolt 4, and an onboard Arduino-compatible microcontroller.

LattePanda Sigma is a genuinely different category of "single-board computer," it's not a low-power ARM board, it's a full Intel Core i5 x86 system on a board small enough to fit in SBC-style projects, running real Windows or any x86 Linux distro without emulation or ARM compatibility concerns. That's a fundamentally different value proposition from every other board in this category, full desktop-class performance and software compatibility in a compact form factor. Dual Thunderbolt 4 and dual 2.5GbE Ethernet is a spec sheet you'd expect from a mini PC costing significantly more, not a typical SBC, and the built-in Arduino-compatible microcontroller means it can handle hardware I/O and sensor projects without a separate companion board.

x86 Changes What's Possible

Every ARM-based SBC (Pi, Radxa, Khadas, Tinker Board) requires ARM-compiled software or emulation for x86 programs. LattePanda Sigma sidesteps that entirely, run the same Windows software you'd run on a desktop, a meaningful difference for projects that depend on x86-only tools or games.

Comparison to Alternatives

Against our Radxa ROCK 5C, Khadas VIM4, and Raspberry Pi 5, all ARM-based, the Sigma trades lower power draw and lower cost for full x86 compatibility and dramatically higher single-thread performance, a genuinely different tool for different jobs. Against our Pine64 Star64 (RISC-V), the Sigma sits at the complete opposite end of the architecture and performance spectrum, maximum compatibility and performance versus minimum cost and power draw.

Specifications

Identity

BrandLattePanda
PriceCheck current price
ModelSigma
CPUIntel Core i5-1340P (12C/16T)
RAMUp to 32GB LPDDR5-6400 (onboard)
Ethernet2x 2.5GbE
Thunderbolt2x Thunderbolt 4
Architecturex86-64
ExtraOnboard Arduino-compatible MCU

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating9 / 10

Desktop-class x86 power with Thunderbolt 4 and dual 2.5GbE on a board, at a price to match.

Best for

  • Projects requiring full x86/Windows compatibility in a compact board form factor.
  • Builders wanting Thunderbolt 4 and dual 2.5GbE without stepping up to a full mini PC.

Not for

  • Budget or low-power projects, this board costs and draws significantly more than ARM-based SBCs.
  • Simple hobbyist projects where a Raspberry Pi's ecosystem and price are already sufficient.

FAQs

What are the key specifications of the LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU)?

The LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU) is a single board computer from LattePanda. Key specs: CPU Intel Core i5-1340P (12C/16T), RAM Up to 32GB LPDDR5-6400 (onboard), Ethernet 2x 2.5GbE, Thunderbolt 2x Thunderbolt 4, Architecture x86-64.

Will the LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU) work with my current setup?

The LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU) lists RAM is Up to 32GB LPDDR5-6400 (onboard). Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU) best suited to?

It suits projects requiring full x86/windows compatibility in a compact board form factor., builders wanting thunderbolt 4 and dual 2.5gbe without stepping up to a full mini pc..

What are the drawbacks of the LattePanda Sigma (Intel Core i5-1340P 12C/16T x86 / Up to 32GB LPDDR5-6400 / 2x 2.5GbE / 2x Thunderbolt 4 / Onboard Arduino MCU)?

It is a poor fit for budget or low-power projects, this board costs and draws significantly more than arm-based sbcs., simple hobbyist projects where a raspberry pi's ecosystem and price are already sufficient..

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