Our Verdict
COWSAR 20 Bar Espresso Machine Wins

Its 58mm portafilter and 30 grind settings offer more pro features for customization. Choose AMZCHEF for faster thermoblock heating and simpler temperature control.
Bottom Line: COWSAR 20 Bar Espresso Machine is the better choice. Its 58mm portafilter and 30 grind settings offer more pro features for customization.
Who Should Buy Which?
Find the right product for your needs
Buy AMZCHEF if...
AMZCHEF Espresso Machine with
If you're a home user seeking quick, consistent espresso without excessive fuss, the AMZCHEF is your choice. Its thermoblock boiler ensures fast heat-up times, perfect for busy mornings. With 20 grind settings and PID control, it offers good control for quality shots. You prioritize convenience and stable brew temperatures over commercial-grade accessories and extensive customization, appreciating the integrated design for a compact setup and a budget-friendly price point around $300.
Buy COWSAR if...
COWSAR 20 Bar Espresso
The COWSAR is ideal for the aspiring home barista who values fine-tuning, upgrade potential, and a more "pro" experience. With a 58mm portafilter, it opens up a world of commercial accessories for better puck preparation. Its 30 grind settings and PID control offer superior control for dialing in espresso. If you're willing to manage a single boiler's workflow and appreciate robust features for under $320, the COWSAR provides excellent value for experimentation and growth.
Spec Comparison
7 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $179 | $317 |
| Rating | 4.1(114) | 4.4(343) |
| Boiler Type | thermoblock | single |
| Pump Pressure Bars | 20 | 20 |
| Portafilter Size mm | — | 58 |
| Steam Wand | Yes | Yes |
| Model Number | CM5560 | 80020KCM0-Espresso Machine |
| Grinder Included | Yes | Yes |
| PID Temperature Control | Yes | Yes |
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Pros & Cons
Quick overview of strengths and weaknesses
AMZCHEF Espresso Machine
- 20-bar pump pressure extracts coffee efficiently.
- PID control ensures stable brew temperature.
- Built-in grinder with 20 settings provides control.
- Adjustable pre-infusion improves coffee extraction.
- Integrated grinder prevents separate component upgrades.
- Not designed for sustained high-volume usage.
- Temperature control limited to three preset levels.
COWSAR 20 Bar
- Integrated burr grinder with 30 grind settings.
- Low-pressure pre-infusion ensures even extraction.
- PID maintains stable brewing temperature consistency.
- 58mm portafilter fits commercial accessories.
- Single boiler requires wait time between brewing/steaming.
- 20-bar pump pressure is often higher than ideal.
Frequently Asked Questions
Common questions about this comparison
Which machine heats up faster?
The AMZCHEF uses a thermoblock boiler, typically heating faster for brewing. The COWSAR has a single boiler, requiring a brief wait when switching between brewing and steaming functions. This impacts workflow for milk drinks.
What's the main difference in grinder settings?
The COWSAR machine offers 30 grind settings, providing finer control over your coffee extraction for optimal taste. The AMZCHEF has 20 grind settings, which is still good but offers less granularity for dialing in espresso shots.
Is the 58mm portafilter on the COWSAR important?
Yes, a 58mm portafilter is a commercial standard, allowing you to use a wider range of aftermarket accessories like tampers and baskets for enhanced puck preparation. The AMZCHEF likely uses a smaller, proprietary size.
Which is better for a beginner home barista?
Both are suitable, but AMZCHEF's thermoblock and preset temperatures might be slightly more straightforward initially. COWSAR's 58mm portafilter and 30 grind settings offer more room to grow for aspiring home baristas seeking advanced control.
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