Siglent SDS1204X-E vs Siglent SDS2104X Plus
Head-to-head spec comparison to help you pick the right scope for your bench.
Siglent
$775
Siglent
$1099
Spec-by-Spec Comparison
| Spec | Siglent SDS1204X-E | Siglent SDS2104X Plus |
|---|---|---|
| Bandwidth | 200 MHz | 100 MHz |
| Sample Rate | 1 GSa/s | 2 GSa/s |
| Channels | 4 | 4 |
| Memory Depth | 14 Mpts | 200 Mpts |
| Display Size | 7" | 10.1" |
| Weight | 3.3 kg | 4.5 kg |
| Price | $775 | $1099 |
| Rating | 6.5/10 | 8.0/10 |
| Protocol Decoder | Yes | Yes |
| Function Gen | No | Yes |
| WiFi | No | No |
| Battery | No | No |
| Buy on Amazon · $775 | Buy on Amazon · $1,099 |
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, 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
Siglent SDS2104X Plus
Pros
- 200Mpt memory depth is exceptional — capture minutes of data at full sample rate
- 10.1-inch IPS touchscreen is genuinely gorgeous to work with
- 2GSa/s sample rate handles fast signals better than 1GSa/s scopes
- Comprehensive protocol decoding including FlexRay, I2S, and MIL-STD-1553
- Built-in 25MHz AWG function generator
- Feels like a professional instrument — because it is one
Cons
- At ~$1,099, it's at the top of hobbyist budgets
- 100MHz bandwidth is surprisingly low for this price tier
- Large and heavy — needs permanent bench space
- Overkill for casual Arduino projects or simple bench work
Our Verdicts
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.
Siglent SDS2104X Plus
The Siglent SDS2104X Plus is a professional-grade scope that happens to be affordable enough for serious hobbyists, and using it for a long debugging session makes the price feel justified. The 200Mpt memory depth is the headline — you can capture minutes of data at full sample rate, then scroll back and zoom into any moment without re-triggering. The 10.1-inch IPS touchscreen is excellent. The comprehensive protocol decoding (including FlexRay and I2S) makes it the right tool for serious automotive or audio embedded work. The surprise is that all this comes with only 100MHz bandwidth — you're paying for depth, features, and build quality, not raw frequency response. At $1,099, this is a serious investment. It only makes sense if you do electronics work regularly enough to amortize that cost, and if you want an instrument you genuinely won't outgrow.