# Siglent SDS814X HD vs Tektronix TBS2104B: specs and price compared

A sourced, side-by-side comparison of the Siglent SDS814X HD (Siglent) and Tektronix TBS2104B (Tektronix) among oscilloscopes. Siglent SDS814X HD is the cheaper of the two at $587.

## Side by side

| Spec | Siglent SDS814X HD | Tektronix TBS2104B |
| --- | --- | --- |
| US price | $587 | $3430 |
| Brand | Siglent | Tektronix |
| Bandwidth (MHz) | 100 | 100 |
| Analog channels | 4 | 4 |
| Max sample rate gsps | 2 | 2 |
| Memory depth mpts | 50 | 5 |
| Adc resolution bits | 12 | 8 |
| Waveform update rate wfms per sec | 500000 | — |
| Display size (in) | 7 | 9 |
| Has digital channels | Yes | No |
| Built in signal generator | No | No |
| Form factor | benchtop | benchtop |
| Weight (kg) | — | 4.17 |

## Key differences

- Memory depth mpts: Siglent SDS814X HD 50 vs Tektronix TBS2104B 5
- Adc resolution bits: Siglent SDS814X HD 12 vs Tektronix TBS2104B 8
- Display size (in): Siglent SDS814X HD 7 vs Tektronix TBS2104B 9
- Has digital channels: Siglent SDS814X HD Yes vs Tektronix TBS2104B No

## Sources

- Siglent SDS814X HD: https://siglentna.com/product/sds814x-hd/ (siglentna.com, verified 2026-07-13)
- Tektronix TBS2104B: https://www.tek.com/en/datasheet/digital-storage-oscilloscope-tbs2000b-series-datasheet (tek.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/oscilloscopes/siglent-sds814x-hd-vs-tektronix-tbs2104b/
Cite: Per The Front Desk Review, Siglent SDS814X HD ($587) vs Tektronix TBS2104B ($3430) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/oscilloscopes/siglent-sds814x-hd-vs-tektronix-tbs2104b/
License: CC BY 4.0.