Compak PK100 Lab vs Mahlkönig EK43S
Two answers to the same question — the split below is the whole argument.
Compak
CA$3,400–4,640 · US$2,000–3,400
This is a lab-grade flat burr grinder wearing a single-dose hopper, built for a shop that needs one machine to cover espresso, batch brew, and retail bagging. Accept that it is oversized, lo…
Full record & live prices →
Mahlkönig
CA$3,390–5,350 · US$3,899–5,350
This is a commercial bulk grinder that happens to also do excellent espresso once you accept the workflow tax of switching ranges and living with meaningful retention. Buy it for the burrs a…
Full record & live prices →The split
Where they actually differ
On 4 of 6 measures these two tie. The 2 rows below are the entire argument.
PK100 Lab
EK43S
Quiet operation
PK100 Lab leads, clearly
Value per dollar
PK100 Lab leads, clearly
weakerstronger
The EK43S leans clarity and sparkle; the PK100 Lab leans clarity and sparkle. Pick the cup, not the machine.
The counter’s vote
Looks barely figure in either machine’s record — the counter can sit this one out.
PK100 Lab: Tall, industrial form; "rocket ship" design divides opinion, not a kitchen-approval driver.
EK43S: Workhorse industrial aesthetic; no kitchen-approval talk, but pro-heritage look commands respect in espresso circles.
Only the EK43S: a documented burr-swap scene.
Where they tie: espresso duty · brew range · reliability record · built to last — don’t let a spec sheet invent a difference.
On the counter
The size difference, to scale
So — which one?
Take the PK100 Lab if —
- There are sleepers to protect
- Every dollar has to earn its place
Take the EK43S if —
- You want a chassis that grows
Both columns reading true? Take the one your gut already picked — then stop reading reviews. Fresh beans will move the cup more than this choice will.
Known weak points
PK100 Lab
Factory burr misalignment (0.022mm tolerance insufficient); requires shimming with feeler gauges post-delivery to achieve rated performance.
EK43S
Burr alignment drift requiring recalibration; bearing wear on high-use machines; variable QC on newer units relative to vintage models
For the row-by-row readers
The whole sheet, side by side
Matching rows fade back — the ink is where they differ.
PK100 Lab
EK43S
Class
Premium
Premium
Burrs
98mm flat
98mm flat
Drive
Electric
Electric
Adjustment
Stepless
Stepless
Clarity lean
Clarity & sparkle
Clarity & sparkle
Espresso suitability
4/5
4/5
Brew versatility
5/5
5/5
Retention
~3 g
—
Single dosing
Yes
Yes
Hopper
750 g
800 g
Maintenance
3/5
3/5
Noise
2.5/5
4/5
Build longevity
5/5
5/5
Dimensions
25.2 × 32.8 × 62.2 cm
23 × 41 × 68 cm
Burr-swap scene
—
Documented
Workflow demand
—
3/5
Wrong match-up? Change one side → — any two on file compare.
Still torn?
This page weighs them against each other. The finder weighs them against your mornings.
Two minutes of questions — milk, noise, budget, space — scored across everything on file. It’s honest when the answer is neither of these.
Take the two-minute finder →