Siglent SDS1204X-E vs Siglent SDS814X HD
Head-to-head spec comparison to help you pick the right scope for your bench.
Spec-by-Spec Comparison
| Spec | Siglent SDS1204X-E | Siglent SDS814X HD |
|---|---|---|
| Bandwidth | 200 MHz | 100 MHz |
| Sample Rate | 1 GSa/s | 2 GSa/s |
| Channels | 4 | 4 |
| Memory Depth | 14 Mpts | 50 Mpts |
| Display Size | 7" | 7" |
| Weight | 3.3 kg | 2.6 kg |
| Price | $775 | $587 |
| Rating | 6.5/10 | 7.5/10 |
| Protocol Decoder | Yes | Yes |
| Function Gen | No | No |
| WiFi | No | Yes |
| Battery | No | No |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
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, it sits close enough to premium touchscreen scopes that the use case needs to be clear
- 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
Siglent SDS814X HD
Pros
- 12-bit ADC with Siglent's clean analog front-end — LeCroy lineage in the signal path
- 100MHz bandwidth with the option to unlock higher via software license
- 2GSa/s sample rate outperforms the competing Rigol DHO814's 1.25GSa/s
- 50Mpt memory depth for extended capture sessions
- CAN and LIN decoding included free — Siglent's consistent protocol advantage
- 16 digital channels available with optional logic probe for mixed-signal work
Cons
- At ~$587, it needs a clear reason over the cheaper SDS804X HD
- Siglent's smaller community means fewer tutorials and troubleshooting resources
- No built-in function generator without the optional add-on
- The SDS804X HD around $461 offers 70MHz (unlockable to 200MHz) for about $126 less
Our Verdicts
Siglent SDS1204X-E
The Siglent SDS1204X-E is a solid, proven instrument — but at ~$775, it's a specialized buy 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 competition is clearer now: the SDS1104X-U is much cheaper if 100MHz is enough, the DHO804 is the modern touchscreen pick under $500, and the DHO924S costs more but gives you 250MHz plus Rigol's touchscreen workflow. To justify the SDS1204X-E today, you need to specifically need 200MHz bandwidth, 4 channels, CAN/LIN, and Siglent's platform advantages.
Siglent SDS814X HD
The Siglent SDS814X HD steps up to 100MHz from the SDS804X HD's 70MHz, keeping the same excellent 12-bit ADC, 2GSa/s sample rate, and 50Mpt memory. It competes directly with the Rigol DHO814 at a similar price point, and wins on sample rate and memory depth. The free CAN/LIN decoding is Siglent's consistent advantage over Rigol for automotive work. At ~$587 though, the value proposition gets complicated: the SDS804X HD below it is cheaper and unlockable, while the DHO924S sits higher as a premium 250MHz touchscreen upgrade. The SDS814X HD makes the most sense if you need that clean 12-bit Siglent ADC at 100MHz and want CAN/LIN decoding without additional license fees, particularly for automotive or precision analog work.