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CASABREWS 3700 Essential vs Breville Bambino: Which Setup Fits Your Coffee Routine?

For flexible filter-basket choices, the Breville Bambino documents single-wall and dual-wall baskets in both 1- and 2-cup sizes. The CASABREWS 3700 Essential lists 1- and 2-cup double-wall baskets with a 51 mm portafilter. Their manuals list removable tanks at 47 fl oz and 43.9 oz respectively, but the current CASABREWS page also says 49 oz in one overview paragraph, so verify tank capacity if this small difference would decide the purchase.

Published by Pickoryx · Published 2026-10-02

Source checked 2026-10-02 17:15 UTC

Products compared

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The buying question

Which machine better fits the filter baskets and removable-tank capacity you want in your home espresso routine?

The Bambino bundle documents both single-wall and dual-wall baskets in 1- and 2-cup sizes and its manual lists a 47 fl oz removable tank; the 3700 Essential lists 1- and 2-cup double-wall baskets and its manual lists a 43.9 oz removable tank, though CASABREWS product-page copy conflicts on tank capacity.

Quick verdict

When the recommendation changes
  • If switching between freshly ground and pre-ground coffee is important, the Bambino documentation makes the basket choice clearer.
  • If tank size would determine your purchase, resolve the 3700 Essential 43.9 oz manual/specification versus 49 oz product-page overview discrepancy before relying on the small manual-to-manual difference.
  • If matching a specific current offer is decisive, compare delivered offers when shopping; no historical-price timing advice is provided.

The differences that matter

Filter Basket And Accessory Setup

Breville Bambino Espresso Machine (BES450, Brushed Stainless Steel)

The U.S. BES450 Bambino page lists a 54 mm portafilter and 1- and 2-cup single-wall and dual-wall baskets; its manual maps single-wall to fresh-ground beans and dual-wall to pre-ground coffee.[3, 4]

CASABREWS 3700 Essential Espresso Machine (A-Silver)

The 3700 Essential product page lists a 51 mm portafilter and 1- and 2-cup double-wall filter baskets.[1]

What this changes: Basket type changes which coffee-prep routine is documented in the box; portafilter dimensions are different, so buyers should check size before planning to reuse accessories.[3, 4, 1]

The better fit depends on your priorities

Tank Refill Workflow

Breville Bambino Espresso Machine (BES450, Brushed Stainless Steel)

The BES450 manual lists a 47 fl oz (1.4 L) removable water tank and says to lift it from the machine, remove the lid, fill to MAX, and seat it back on the machine.[4]

CASABREWS 3700 Essential Espresso Machine (A-Silver)

The 3700 Essential manual lists a removable 43.9 oz tank. The product page repeats 43.9 oz in its details and FAQ but states 49 oz in its opening paragraph.[2, 1]

What this changes: Both are removable-tank workflows. The manuals list a modest capacity difference, but CASABREWS documentation conflicts; tank output in cups or actual refill frequency has not been tested.[4, 2, 1]

The better fit depends on your priorities

Best for your routine

A buyer who wants to move between freshly ground and pre-ground coffee using the included filter types.

Best fit: Breville Bambino Espresso Machine (BES450, Brushed Stainless Steel)

Based on listed features, not comparative testing.

Breville's BES450 manual associates single-wall baskets with freshly ground beans and dual-wall baskets with pre-ground coffee, and the product page lists both types in 1- and 2-cup sizes. The 3700 Essential's product page lists dual-wall baskets only.

View Breville Bambino Espresso Machine (BES450, Brushed Stainless Steel) on AmazonPaid link

Value and trade-offs

One or both observed offers have eligibility conditions, so no unrestricted price difference is shown.

If the Bambino offer you see costs more, weigh whether its documented single-wall basket option or manual-listed tank capacity matters in your routine. The CASABREWS capacity discrepancy should be resolved before using tank size in that choice.

Offer prices change; compare current delivered offers with your budget. No price history is used to interpret whether an offer is unusually low.

Limitations

  • CASABREWS documentation conflicts on tank capacity: the manual and repeated detailed product specifications say 43.9 oz, while the opening promotional paragraph says 49 oz. Verify the figure with the seller or manufacturer if tank size would decide your purchase.
  • The CASABREWS product page also markets an automatic temperature-purge function after steaming, while its linked manual tells users to cool the boiler by dispensing hot water before the next brew. Follow the exact manual and check CASABREWS support if this post-steam sequence is central to your decision; this comparison does not claim a faster next shot for either machine.
  • The Breville page covers the U.S. BES450 Bambino family. Before ordering, check that the seller listing is the Brushed Stainless version and includes the bundle you expect.
  • The comparison does not assess espresso taste, milk texture quality, reliability, long-term maintenance, drink yield, or refill frequency from hands-on use.

Questions shoppers ask

Does this Bambino have an automatic steam wand?

No. Breville describes the BES450 Bambino as using manual hand-crafted microfoam and points buyers who want an automatic steam wand to the Bambino Plus. Confirm the exact BES450 model if automatic milk texturing matters.

Can I change the shot volumes on both machines?

Yes. Both manuals describe programming single- and double-shot volumes. CASABREWS starts programming by holding the selected shot button for 3 seconds and stopping it at the desired amount; Breville enters programming by holding both cup buttons for 2 seconds, then starts and stops each size separately. This is a documented control-flow difference, not evidence of better espresso.

Can the 3700 Essential brew immediately after steaming milk?

Its manual says not to make coffee immediately after frothing milk and instructs users to run hot water through the wand until the buttons are fully illuminated. Breville's BES450 manual describes a separate steam-wand purge but does not establish a matched next-shot time, so do not infer that the Bambino can brew sooner from these documents alone.

Methodology and sources

I checked the official U.S. BES450 page and manual against the CASABREWS 3700 Essential product page and its linked manual, focusing on included filter choices and removable-tank instructions/capacity. Manufacturer documents were compared as specifications, not independent tests.

AI-assisted research and drafting organized exact-model source claims; all product specifications and usage steps shown here are attributed to the cited manufacturer pages and manuals.

View 4 sources
  1. 1.3700ESSENTIAL Compact 20 Bar Espresso MachineCASABREWS · Official specifications · Source checked 2026-10-02 17:15 UTC
    Evidence used on this page
    • Accessory list lines 171-177; removable-tank details and specification lines 140-142, 209-213, and full-details section 255-275.: Current manufacturer page names the 3700ESSENTIAL and identifies the U.S. version as 120V. It lists a 51 mm portafilter and 1-/2-cup double-wall baskets. The product page repeats 43.9 oz in the detailed capacity/specification and FAQ, but its opening paragraph says 49 oz; tank capacity is reported with that conflict disclosed.
  2. 2.3700 Essential Instruction ManualCASABREWS · Official specifications · Source checked 2026-10-02 17:15 UTC
    Evidence used on this page
    • Model/voltage and tank specification pp. 2-3; initial preheat p. 6; post-steam cooldown pp. 9-10; shot-volume programming p. 11; default reset p. 12.: The cover and specification table identify model 3700 ESSENTIAL, 120V/60Hz and 43.9 oz tank. It gives an approximately two-minute initial preheat, post-steam cooldown steps, and button procedures for customizing single/double volumes within 8-60 seconds. It is the source used for the manual instructions and capacity reconciliation.
  3. 3.Bambino Compact Espresso Machine (BES450)Breville U.S. · Official specifications · Source checked 2026-10-02 17:15 UTC
    Evidence used on this page
    • 54 mm portafilter and filter types lines 116-118; included accessories lines 170-180; BES450/Bambino Plus distinction lines 96-99.: The official U.S. BES450 page identifies the Bambino, distinguishes the Bambino Plus as the model with an automatic wand, and lists a 54 mm portafilter plus 1-/2-cup single-wall and dual-wall filters. It covers the BES450 model family.
  4. 4.Breville BES450 Instruction ManualBreville U.S. · Official specifications · Source checked 2026-10-02 17:15 UTC
    Evidence used on this page
    • Components and filter accessories pp. 7-8; filling and basket use pp. 10-11; volume programming and manual control pp. 11-12; post-texturing purge p. 14.: Manual explicitly names BES450 and gives a 54 mm portafilter, included single-/dual-wall baskets in 1-/2-cup sizes, and use guidance for fresh-ground and pre-ground coffee. It documents shot programming and the post-texturing wand purge; it does not provide a matched timing measurement for brewing a next shot after steaming.

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