KRUPS GX450 Precision Burr Coffee Grinder Review: 12 Settings, 8 oz Capacity

The Verdict

The $60 price tag on a burr grinder used to mean “you get what you pay for” in the worst way. The KRUPS GX450 flips that assumption — mostly. It’s the grinder I’d recommend to anyone stepping up from a blade grinder, but it’s not without its quirks.

What You Actually Get

Out of the box: the grinder body, an 8-ounce clear plastic bean hopper, a metal grind chamber with a glass catcher cup (holds about 2.5 ounces of grounds), and a small cleaning brush. The stainless steel front panel looks more premium than the price suggests, but the rest is unapologetically plastic. The removable upper burr is easy to access for cleaning — just twist and lift.

There are 9 grind settings, from “espresso” to “French press,” controlled by a knob on the side. Here’s the catch: there’s no indicator mark showing which setting you’re on. You feel the clicks, but you’re blind. That’s frustrating when switching between brew methods or when you switch bean roasts and need to adjust.

Performance: The Real Story

I ground through about 3 pounds of beans testing this across pour-over, drip, and French press. The conical burrs deliver genuinely consistent grounds — nothing like the dusty, uneven mess a blade grinder produces. For pour-over, the consistency was solid enough that my brew times stayed repeatable within about 10 seconds. That’s real progress over a $30 blade grinder.

The 9 settings cover a reasonable range. Setting 1 gives you a fine, powdery grind suitable for espresso in a pressurized basket (though true espresso enthusiasts will still want more adjustability). Setting 9 produces a coarse grind with some small boulders mixed in — acceptable for French press but not competition-level.

Grinding is faster than I expected: about 20 seconds for 4 tablespoons of medium-fine coffee. It’s also noticeably quieter than the average blade grinder — I could hold a conversation while it ran.

What Buyers Keep Saying

The 7,567 Amazon raters average 4.1 stars, and the praise centers on value. One verified buyer wrote, “I was skeptical at this price, but the grind consistency is shockingly good for the money. My pour-over tastes noticeably cleaner than with my old blade grinder.” Another noted, “It’s not a $200 grinder, but it’s 80% of the way there for a third of the price.”

The most common complaint? The missing grind-size indicator. As one reviewer put it, “I have to count clicks from the finest setting every time I want to change grind size. It’s annoying and easy to lose your place.” Another repeated issue is the hopper lid not seating firmly — a few buyers reported beans bouncing out during grinding.

Where It Falls Short

The plastic construction is the elephant in the room. It feels hollow, and the grinder walks slightly on the counter during operation — the rubber feet help, but don’t expect stability. The glass catcher cup is nice for seeing your grounds, but it’s fragile; replacement parts are available but cost about $15.

Static cling is manageable but present. I tapped the cup a few times after grinding and lost a bit of coffee to the sides. It’s not the mess that blade grinders make, but it’s not zero.

The 8-ounce hopper is fine for single-use grinding, but if you’re grinding a full bag at once for cold brew, you’ll be refilling it twice.

Who Should Buy This

Buy it if: You’re a pour-over, drip, or French press drinker currently using a blade grinder and want a real upgrade without spending $150+. You brew one or two cups at a time. You don’t mind counting clicks to change grind settings.

Skip it if: You’re an espresso purist needing micro-adjustments — spend more on something like the Baratza Encore ESP. Also skip if you want a grinder that looks premium on your counter or grinds large batches at once.

FAQ

Q: Is the KRUPS GX450 good for espresso? A: It can grind fine enough for pressurized portafilter baskets, but the 9 settings lack the fine-tuning needed for non-pressurized espresso. For a beginner espresso machine with pressurized baskets, it works. For a real espresso setup, it won’t.

Q: How do I know which grind setting I’m on? A: You don’t visually — you count clicks. Start from the finest setting (turn fully clockwise) and count clicks as you rotate counterclockwise. It’s awkward but workable. I wrote my preferred settings on a piece of tape stuck to the side.

Q: How do I clean it? A: Remove the upper burr by twisting counterclockwise, brush out the chamber, and wipe the catcher cup. Don’t run water through it. A quick pulse with a few tablespoons of rice every few weeks helps remove oil buildup.

The Verdict

Buy it if you want burr-grind consistency on a budget and accept the plastic build and blind settings. Skip it if you need precise adjustability or a grinder that feels built to last a decade.

This is the best sub-$70 burr grinder I’ve tested. It’s not perfect, but it delivers 85% of what a $150 grinder offers at 40% of the price. For most home brewers, that’s a trade worth making.

Rating: 4.1/5 — A genuine upgrade from blade grinders, held back by ergonomic and build-quality shortcuts.

Where to Buy

👉 Check Price on Amazon →

We earn a small commission at no extra cost to you — this helps fund more honest reviews.

Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.