PicoScope 2204A vs Rigol DHO924S
Head-to-head spec comparison to help you pick the right scope for your bench.
Pico Technology
$185
Rigol
$449
Spec-by-Spec Comparison
| Spec | PicoScope 2204A | Rigol DHO924S |
|---|---|---|
| Bandwidth | 10 MHz | 250 MHz |
| Sample Rate | 0.1 GSa/s | 1.25 GSa/s |
| Channels | 2 | 4 |
| Memory Depth | 8 Kpts | 50 Mpts |
| Display Size | N/A | 7" |
| Weight | 0.15 kg | 3.8 kg |
| Price | $185 | $449 |
| Rating | 6.5/10 | 9.0/10 |
| Protocol Decoder | Yes | Yes |
| Function Gen | Yes | Yes |
| WiFi | No | Yes |
| Battery | No | No |
| Buy on Amazon · $185 | Buy on Amazon · $449 |
Pros & Cons
PicoScope 2204A
Pros
- PicoScope 7 software is genuinely excellent — Reddit consistently ranks it above any standalone scope UI
- 16 protocol decoders included free — SPI, I2C, UART, CAN, LIN, FlexRay, I2S, and more
- Built-in AWG function generator in a $185 package
- Ultra-compact and USB-powered — fits in any laptop bag
- Free lifetime software updates — Pico Technology has an outstanding track record of continued improvement
- Up to 12-bit enhanced resolution mode for precision measurements
Cons
- 10MHz bandwidth is severely limiting — fine for audio and slow digital, useless for fast SPI or RF
- 8Kpt buffer memory is tiny — long captures require streaming mode
- Requires a PC to operate — completely useless without a laptop or desktop
- 100MSa/s sample rate means you're already at Nyquist limits with 10MHz signals
- Only 2 channels of analog input
Rigol DHO924S
Pros
- 250MHz bandwidth with 4 channels for under $500 — exceptional value
- 7-inch IPS touchscreen with 1024x600 resolution — sharp and responsive
- 50Mpt memory depth for extended captures
- Built-in function generator and WiFi connectivity included
- Modern phone-like interface has almost no learning curve
- Protocol decoding for SPI, I2C, UART, CAN, and LIN
Cons
- 1.25GSa/s sample rate could be higher given the 250MHz bandwidth
- Newer platform means less community documentation than the DS1054Z
- Some early firmware bugs have been reported — check version before updating
- Fan can be audible in a quiet room
Our Verdicts
PicoScope 2204A
The PicoScope 2204A is the USB scope that Reddit actually respects — unlike the Hantek 6022BE, Pico Technology backs this with genuinely excellent software that gets free updates for life. PicoScope 7 is arguably the best oscilloscope software on any platform, with 16 protocol decoders, advanced math, and a modern interface that makes standalone scope UIs feel dated. The catch is obvious: 10MHz bandwidth and 8Kpt memory mean this is a low-frequency instrument. Audio work, slow serial protocols, power supply debugging, and basic Arduino verification are all fine. Anything above a few MHz — fast SPI, I2C at 400kHz+, or RF work — is off the table. If you already have a laptop and need a scope for bench work under 10MHz, the software quality alone makes this worth the $185. If you need a scope that works without a computer or handles faster signals, look at the DHO802 instead.
Rigol DHO924S
The Rigol DHO924S is the best hobbyist oscilloscope under $500 in 2026, and I say that having used the DS1054Z for years before switching. The 7-inch IPS touchscreen transforms the experience — pinch to zoom, tap to place cursors, swipe to scroll through captures — in a way that button-based scopes simply can't match. Add 250MHz bandwidth, 4 channels, 50Mpt memory, a function generator, WiFi, and CAN/LIN protocol decoding at $449, and it obsoletes the DS1054Z in every spec column except community documentation and proven long-term reliability. If you're buying a scope in 2026 and can spend $449, this is the one to get. The only reasons to look elsewhere: you need deeper memory (Siglent SDS2104X Plus), you want proven track record over specs (DS1054Z), or you need CAN/LIN included free and can save $30 (Siglent SDS1104X-U at $419).