Espresso Machines · Head-to-head

Breville BES450 vs Ninja ES351

Breville BES450
Best Value

Breville BES450

7.9/10
$299.95 at Amazon
Check price at Amazon
Ninja ES351
Best All-in-One with Built-In Grinder

Ninja ES351

7.5/10
$449.99 at Amazon
Check price at Amazon

The short answer

Breville BES450 comes out ahead overall with 7.9/10 against 7.5/10 for the Ninja ES351. Breville BES450 is stronger on espresso quality, build & reliability, health & materials and value. Ninja ES351 is stronger on milk steaming. At current verified prices, the Breville BES450 costs about $150.04 less.

Scores by criterion

CriterionBreville BES450Ninja ES351
Beginner-Friendliness 8.33 s heat-up and the same simple controls as the Plus; the manual wand adds a learning curve. 8.6Guided grinding and weight-based dosing remove most of the dialing in (Tom's Coffee Corner, Tom's Guide headline); small tank means frequent refills.
Espresso Quality 8.0Same brew path as the Bambino Plus. 7.0Tom's Coffee Corner found it balanced and full-bodied; Tom's Guide snippet says 'just OK'.
Milk Steaming 6.3Manual wand that Reviewed calls weaker; good foam takes practice. 7.3Strong manual wand; AutoFroth is hands-free but inconsistent (Tom's Coffee Corner) and slow (Tom's Guide snippet).
Build & Reliability 6.5Plastic tamp and parts criticized (TechGearLab, Forbes, CNN); 1-year warranty. 6.0Plastic sides and portafilter insert, new model with no long-term data, 1-year warranty.
Health & Materials 6.5Retailer lists the tank as BPA-free; low idle energy; no recall found. 5.5No PFAS, BPA or materials disclosure found; no recall found.
Value 9.3About $300, or about $500 with an Encore ESP, for PID and ThermoJet performance; the best value in the pool. 8.2$499.99 includes the grinder and drip mode; nothing else to buy.

Specifications

SpecBreville BES450Ninja ES351
Workflow type Semi-assisted portafilter —
Machine type Semi-automatic Semi-automatic with grinder (assisted)
Built-in grinder No Yes
Automatic milk frothing No Yes
Portafilter size 54 mm —
Water tank capacity 47 oz 44 oz
Heating system / boiler material ThermoJet thermocoil Thermoblock
PID / active temperature control Yes —
Pressurized (dual-wall) baskets included Yes —
Manufacturer PFAS-free claim No No
Warranty 1 years 1 years

Breville BES450

Pros

  • Compact separate-grinder workflow
  • Manual milk texturing
  • Exact-model corroborated testing

Cons

  • Requires a separate grinder
  • Manual milk workflow

Recommended for a separate-grinder workflow centered on manual espresso preparation and milk texturing.

Full Breville BES450 review →

Ninja ES351

Pros

  • Built-in burr grinder with 60 settings
  • Barista Assist and built-in scale for dosing
  • Manual wand plus hands-free AutoFroth
  • Also brews drip coffee
  • No separate grinder needed

Cons

  • Plastic sides and portafilter insert
  • Small 1.3 L water tank
  • Auto-frothing can be inconsistent
  • New model with limited long-term data
  • 1-year warranty

A convenient all-in-one for total beginners, with the caveat that its track record is short.

Full Ninja ES351 review →

Both products are part of our guide The Best Espresso Machines Under $500 for Beginners of 2026, where you can see every pick, how we score and current prices from each retailer.