Our take
The Grinta family pairs a 50 mm burr set with a 0.5 kg bean hopper and an adjustable collar, then dispenses grounds at a portafilter. The maker's AMM/AMMT manual distinguishes a push-and-hold manual version from the timed AMMT version; the title clue `AMM5021` does not establish which control row 255 has. That variation matters to anyone requiring automatic timed portions. The manufacturer brochure also lists 230 V/50 Hz and 115 V/60 Hz Grinta model options, but it does not state phase or connector or identify the historical unit's configuration; inspect the rating plate. Neither version is documented here with a gram scale, and the older maker sources do not state burr geometry or material, setting count or measured espresso results. Nuova Simonelli positions Grinta for small-volume, semi-professional and home/office use; its manual says intermittent service, while the archived maker brochure lists 3.6 kg/h productivity. That brochure figure is not a verified sustained-duty result. Check the physical unit's exact model and rating plate before buying. Historical ASIN `B00E5N1OD0` is not a verified current Amazon offer. This is a source-based review, not firsthand testing or a summary of buyer reviews.
Low-volume home/office users who prefer manual control and verify supply; unsuitable for scale dosing or unsupported duty limits..
A mandatory gram dose; timed portions before the AMMT variant is confirmed; strict setting-count, burr-material, measured-grind-quality or high-volume/continuous-duty requirements; or a current Amazon offer requirement without exact-item verification.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The maker describes a standalone grinder/doser with an adjustable collar and an on-demand portafilter workflow.
- The archived brochure lists a 50 mm burr size, 0.5 kg bean hopper, and home/office low-volume positioning.
- The manual clearly distinguishes manual AMM hold-to-grind operation from timed AMMT operation.
What to weigh up
- The historical title does not establish whether its physical item is the AMM or AMMT version.
- No scale or gram target is documented; burr geometry/material, setting count and grounds-tray capacity are unknown.
- The maker's 3.6 kg/h brochure figure and 24-hour intermittent-service description do not establish sustained commercial workload.
- The maker lists 230 V/50 Hz and 115 V/60 Hz family options, but phase, connector, the row unit's exact variant/plate and current offer are unresolved.
The key details
| Model covered | Grinta AMM branch; exact row/version unconfirmed |
|---|---|
| Grind and dose controls | 50 mm burr size; geometry/material unspecified |
| Capacity and use | 0.5 kg bean hopper; portafilter workflow |
| Fit and limitations | Manual hold-to-grind; exact unit supply unresolved |
Performance figures are manufacturer claims. Source checked October 2, 2026. Regional models and included accessories can differ.
What the features mean for you
Suitable use
A model-level comparison for a low-volume home/office user who wants a separate portafilter-oriented grinder, accepts the verified manual or timed workflow, and can check the exact unit identity and power label. The Grinta's 500 g figure is a bean-hopper capacity, while grounds-bin capacity and the source unit's exact electrical configuration are not established.
Limits and unresolved facts
AMM grinds only while its button is held; AMMT stops after a set time. Row 255's title clue does not prove the variant. Neither has documented weight dosing. The maker's productivity figure is not a measured sustained-duty result. Although the brochure lists 230 V/50 Hz and 115 V/60 Hz family options, phase, connector, and the historical item's exact supply are unresolved.
Questionnaire reasoning
Exact Grinta identity is a hard gate before applying family attributes. Manual/timed preference is hard only if the shopper requires one control and the actual variant is confirmed. The 0.5 kg value is bean hopper capacity, not grounds capacity or dose mass. The brochure's 230 V/50 Hz option does not establish the unit's phase, plug or version; fixed supply, throughput and duty requirements stay unresolved until they match the physical unit's label.
Manual AMM workflow
The manufacturer-hosted Grinta handbook distinguishes AMM's button-held manual operation from AMMT's timed stop. The brochure lists a 50 mm burr diameter, 500 g family hopper and low-volume home/office positioning, with a stated intermittent-service limitation. Its 3.6 kg/h figure is a maker specification, not verified sustained output. These family facts still require an exact variant and unit check before an installation decision.
Supply and source-row boundary
The brochure lists Grinta family options at 230 V / 50 Hz and 115 V / 60 Hz, but it does not identify row 255's physical model version, phase, connector or plug. The title clue says AMM 5021 and does not establish AMMT. Inspect the offered unit's label and verify local electrical fit. Keep dose mass, grounds capacity, exact ASIN mapping and current offer unknown unless separate evidence resolves them.
What else to compare
Before you buy
Is Grinta a grinder or an espresso machine?
It is a standalone coffee grinder/doser that dispenses into a portafilter.
What size are the burrs?
The maker brochure says 50 mm; it does not establish geometry or material.
Does it time a dose?
The AMMT version stops after its set time; the AMM version stops when the button is released. Row 255's exact version is unresolved.
Does it weigh grounds?
No scale or gram target is documented.
How large is the hopper?
The archived maker brochure lists a 0.5 kg bean hopper.
Is it suitable for high-volume service?
The maker positions it for low-volume semi-professional/home-office use and describes intermittent service. The 3.6 kg/h brochure figure is not a verified sustained-duty result.
Does the brochure prove a 230 V single-phase unit?
It lists a 230 V/50 Hz Grinta family option, but does not identify phase, plug or the historical unit's exact variant. Check the rating plate.
Is ASIN B00E5N1OD0 currently available?
No current exact Amazon offer is established.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources & review basis
We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Nuova Simonelli Grinta AMM/AMMT operating manual ↗ — checked October 2, 2026.
- Nuova Simonelli Grinta AMM/AMMT operating manual ↗ — checked October 2, 2026.
The decision
The Grinta family pairs a 50 mm burr set with a 0.5 kg bean hopper and an adjustable collar, then dispenses grounds at a portafilter. The maker's AMM/AMMT manual distinguishes a push-and-hold manual version from the timed AMMT version; the title clue `AMM5021` does not establish which control row 255 has. That variation matters to anyone requiring automatic timed portions. The manufacturer brochure also lists 230 V/50 Hz and 115 V/60 Hz Grinta model options, but it does not state phase or connector or identify the historical unit's configuration; inspect the rating plate. Neither version is documented here with a gram scale, and the older maker sources do not state burr geometry or material, setting count or measured espresso results. Nuova Simonelli positions Grinta for small-volume, semi-professional and home/office use; its manual says intermittent service, while the archived maker brochure lists 3.6 kg/h productivity. That brochure figure is not a verified sustained-duty result. Check the physical unit's exact model and rating plate before buying. Historical ASIN `B00E5N1OD0` is not a verified current Amazon offer. This is a source-based review, not firsthand testing or a summary of buyer reviews.
Is it the right fit?
Check the exact model and today’s offers on Amazon.