# Siglent SDS814X HD vs Digilent Analog Discovery 3: specs and price compared

A sourced, side-by-side comparison of the Siglent SDS814X HD (Siglent) and Digilent Analog Discovery 3 (Digilent) among oscilloscopes. Digilent Analog Discovery 3 is the cheaper of the two at $379.

## Side by side

| Spec | Siglent SDS814X HD | Digilent Analog Discovery 3 |
| --- | --- | --- |
| US price | $587 | $379 |
| Brand | Siglent | Digilent |
| Bandwidth (MHz) | 100 | — |
| Analog channels | 4 | 2 |
| Max sample rate gsps | 2 | 0.125 |
| Memory depth mpts | 50 | — |
| Adc resolution bits | 12 | 14 |
| Waveform update rate wfms per sec | 500000 | — |
| Display size (in) | 7 | — |
| Has digital channels | Yes | Yes |
| Built in signal generator | No | Yes |
| Form factor | benchtop | pc-usb |
| Weight (kg) | — | 0.15 |

## Key differences

- Analog channels: Siglent SDS814X HD 4 vs Digilent Analog Discovery 3 2
- Max sample rate gsps: Siglent SDS814X HD 2 vs Digilent Analog Discovery 3 0.125
- Adc resolution bits: Siglent SDS814X HD 12 vs Digilent Analog Discovery 3 14
- Built in signal generator: Siglent SDS814X HD No vs Digilent Analog Discovery 3 Yes
- Form factor: Siglent SDS814X HD benchtop vs Digilent Analog Discovery 3 pc-usb

## Sources

- Siglent SDS814X HD: https://siglentna.com/product/sds814x-hd/ (siglentna.com, verified 2026-07-13)
- Digilent Analog Discovery 3: https://www.rs-online.com/designspark/analog-discovery-3-what-makes-it-different (rs-online.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/oscilloscopes/siglent-sds814x-hd-vs-digilent-analog-discovery-3/
Cite: Per The Front Desk Review, Siglent SDS814X HD ($587) vs Digilent Analog Discovery 3 ($379) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/oscilloscopes/siglent-sds814x-hd-vs-digilent-analog-discovery-3/
License: CC BY 4.0.