Rigol DHO804
#6 in 50 to 99 MHzFull review
The four-channel DHO800 for debugging several rails or buses at once.
Amazon $459$459
The Rigol DHO804 is the better oscilloscope overall, rated 3.0 to 2.8. The Rigol DHO804 leads on features. The Siglent SDS804X HD wins on sample rate. The Rigol DHO804 costs $2 less ($459 vs $461).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Siglent SDS804X HD
#8 in 50 to 99 MHzFull review
A 12-bit scope for power supply and sensor work where resolution and memory beat raw bandwidth.
Amazon $461$461
Which should you buy?
- Choose the Rigol DHO804 for features (serial bus decoding, touchscreen, four channels, 12-bit resolution vs four channels, 12-bit resolution).
- Choose the Siglent SDS804X HD for sample rate (2 GSa/s sampling vs 1.2 GSa/s sampling).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 50 to 99 mhz oscilloscope; a clear win is highlighted. How we rank explains each one.
| Factor weight | Rigol DHO804 | Siglent SDS804X HD |
|---|---|---|
| Overall rating | 3.0/5 | 2.8/5 |
| Value 30% | 9 $6.56 per MHz ($459, 70 MHz claimed) | 8 $6.59 per MHz ($461, 70 MHz claimed) |
| Bandwidth 20% | 55 70 MHz claimed bandwidth | 55 70 MHz claimed bandwidth |
| Sample rate 10% | 87 1.2 GSa/s sampling | 100 2 GSa/s sampling |
| Memory 10% | 94 25 Mpts of memory | 100 50 Mpts of memory |
| Features 20% | 50 serial bus decoding, touchscreen, four channels, 12-bit resolution | 25 four channels, 12-bit resolution |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Rigol DHO804 | Siglent SDS804X HD | |
|---|---|---|
| Scope | ||
| Claimed bandwidth | 70 MHz | 70 MHz |
| Sample rate | 1.2 GSa/s | 2 GSa/s |
| Channels | 4 | 4 |
| Memory depth | 25 Mpts | 50 Mpts |
| Vertical resolution | 12 bit | 12 bit |
| Serial decode | Yes | - |
| Build | ||
| Type | Bench | Bench |
| Display | 7 in | 7 in |
| Touchscreen | Yes | No |
| Built-in battery | - | No |