Rigol DHO914S vs Siglent SDS1204X-E
Head-to-head spec comparison to help you pick the right scope for your bench.
Rigol
$549
Siglent
$775
Spec-by-Spec Comparison
| Spec | Rigol DHO914S | Siglent SDS1204X-E |
|---|---|---|
| Bandwidth | 125 MHz | 200 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 | 3.3 kg |
| Price | $549 | $775 |
| Rating | 8.0/10 | 6.5/10 |
| Protocol Decoder | Yes | Yes |
| Function Gen | Yes | No |
| WiFi | Yes | No |
| Battery | No | No |
| Buy on Amazon · $549 | Buy on Amazon · $775 |
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 SDS1204X-E
Pros
- 200MHz bandwidth with 4 channels — strong spec combination
- CAN and LIN decoding included at no extra cost
- 14Mpt memory depth for long serial transaction captures
- Proven, reliable platform with a solid firmware update history
- Good long-term track record from Siglent
Cons
- At ~$775, the DHO924S offers 250MHz and a touchscreen for $326 less
- 7-inch non-touch display feels dated compared to modern alternatives
- No function generator
- Hard to justify the $356 premium over the SDS1104X-U at $419
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 SDS1204X-E
The Siglent SDS1204X-E is a solid, proven instrument — but at ~$775, it's a genuinely hard sell in 2026. The 200MHz bandwidth with 4 channels and free CAN/LIN decoding is still a good spec combination, and Siglent's reliability and firmware update track record are real advantages. The problem is the competition. The Rigol DHO924S at $449 gives you 250MHz and a touchscreen for $326 less. The Siglent SDS1104X-U at $419 gives you 4 channels with CAN/LIN decoding for $356 less (at 100MHz). To justify the SDS1204X-E today, you'd need to specifically need 200MHz bandwidth, 4 channels, and CAN/LIN — and be unwilling to use either of those alternatives. That's a narrow use case at this price.