Rigol DHO914S vs Siglent SDS1104X-U
Head-to-head spec comparison to help you pick the right scope for your bench.
Rigol
$549
Siglent
$419
Spec-by-Spec Comparison
| Spec | Rigol DHO914S | Siglent SDS1104X-U |
|---|---|---|
| Bandwidth | 125 MHz | 100 MHz |
| Sample Rate | 1.25 GSa/s | 1 GSa/s |
| Channels | 4 | 4 |
| Memory Depth | 50 Mpts | 14 Mpts |
| Display Size | 7" | 7" |
| Weight | 1.78 kg | 3.1 kg |
| Price | $549 | $419 |
| Rating | 8.0/10 | 7.5/10 |
| Protocol Decoder | Yes | Yes |
| Function Gen | Yes | No |
| WiFi | Yes | No |
| Battery | No | No |
| Buy on Amazon · $549 | Buy on Amazon · $419 |
Pros & Cons
Rigol DHO914S
Pros
- Built-in 25MHz arbitrary waveform generator — saves buying a separate signal source
- 16 digital channels available via optional logic probe — true mixed-signal capability
- 12-bit ADC with 125MHz bandwidth is a solid all-around combination
- 50Mpt memory depth matches the DHO924S
- Same compact DHO form factor with USB-C power support
- Bode plot analysis built in — useful for filter and feedback loop characterization
Cons
- At ~$549, you're paying $100 more than the DHO924S which has 250MHz bandwidth
- 125MHz bandwidth is lower than the DHO924S's 250MHz
- Logic analyzer probe is an additional purchase — not included
- Fan noise is present, consistent with the DHO series
- The DHO924S also includes a function generator, making the price gap harder to justify
Siglent SDS1104X-U
Pros
- 4 channels with 100MHz bandwidth — best of both in Siglent's lineup
- CAN and LIN decoding included — no license fees unlike Rigol
- 14Mpt memory depth for long capture sessions
- Better probe compensation and input specs than older Siglent models
- Siglent's firmware has matured significantly with recent updates
Cons
- ~$419 for a 100MHz, non-touchscreen scope is a stiff ask
- No touchscreen — button navigation only
- 1GSa/s sample rate is adequate but not exceptional
- Rigol DHO924S offers 250MHz and a touchscreen for $30 more
Our Verdicts
Rigol DHO914S
The Rigol DHO914S is Rigol's Swiss Army knife oscilloscope — 4 analog channels, a 25MHz function generator, optional 16-channel logic analyzer, and Bode plot analysis in the compact DHO form factor. The mixed-signal capability is the real differentiator: if you're debugging embedded systems where you need to correlate analog and digital signals simultaneously, the logic analyzer option makes this genuinely useful in ways a pure analog scope isn't. The built-in AWG saves you $100-200 on a standalone function generator. The catch is the DHO924S at $449 — it also has a function generator and offers 250MHz bandwidth for $100 less. The DHO914S only pulls ahead if you need the logic analyzer capability or the Bode plot feature for control loop design. For pure oscilloscope work, the DHO924S remains the better value.
Siglent SDS1104X-U
The Siglent SDS1104X-U is Siglent's answer to the 4-channel mid-range market, and its CAN/LIN decoding is its killer differentiator. Rigol charges extra for CAN decoding on most models; Siglent includes it free. If you're doing automotive embedded work — car CAN bus debugging, LIN network analysis, anything that touches vehicle electronics — the SDS1104X-U at $419 is the most cost-effective path to proper protocol support. For general hobbyist use without automotive protocol requirements, the DS1054Z at $349 remains better value, and the Rigol DHO924S at $449 offers 250MHz bandwidth and a touchscreen for just $30 more. I'd buy the SDS1104X-U specifically if CAN/LIN decoding is non-negotiable.