Echo
CS-400
—
Best Chainsaws · head-to-head
CS-400 vs Pro 80V 18" Chainsaw
A sourced, side-by-side comparison. Pro 80V 18" Chainsaw is cheaper at $379.99. Every spec and price links to its source.
Greenworks
Pro 80V 18" Chainsaw
$379.99
Which is better: the CS-400 or Pro 80V 18" Chainsaw?
The CS-400 wins 1 of the 1 specs we compare head to head; the other wins 0.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | CS-400 | Pro 80V 18" Chainsaw |
|---|---|---|
| US price | — | $379.99 |
| Brand | Echo | Greenworks |
| Released | — | — |
| Power source | gas | battery |
| Bar length (in) | 18 | 18 |
| Engine cc or voltage | 40.2 cc | 80 V |
| Weight (lb) | 10.1 | 10.8 |
| Anti vibration | Yes | Yes |
| Tool less chain tensioning | Yes | No |
| Automatic oiler | Yes | Yes |
| Release | — | — |
Sources — CS-400: echo-usa.com (verified 2026-06-19). Pro 80V 18" Chainsaw: greenworkstools.com (verified 2026-06-19).
What's the difference between the CS-400 and Pro 80V 18" Chainsaw?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Power source: CS-400 gas vs Pro 80V 18" Chainsaw battery
- Engine cc or voltage: CS-400 40.2 cc vs Pro 80V 18" Chainsaw 80 V
- Weight (lb): CS-400 10.1 vs Pro 80V 18" Chainsaw 10.8
- Tool less chain tensioning: CS-400 true vs Pro 80V 18" Chainsaw false
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
CS-400
Only one whitelisted tester, Pro Tool Reviews, published a genuine hands-on field test of the exact Echo CS-400 18-inch; other coverage (Consumer Reports, enthusiast blogs) fell off-whitelist and was excluded. Two professional tree-trimmers rated performance 9/10, praising the tool's perfect balance, easy two-pull i-30 starting and butter-smooth cutting through a palm stump, decking and small trees. The flags are loud ~107 dB full-throttle operation that demands hearing protection, a Value score of only 7/10 on price, and the tester's own caveat that long-term reliability was not assessed. (1 sourced review, 1 lab-tested.)
Praised: Near-perfect balance and ergonomics with the standard 18-inch bar; Very easy starting via i-30 system, typically two quick pulls; Strong cutting power through palm stump, decking and small trees.
Flagged: Very loud at full throttle (~107 dB); hearing protection required; Long-term reliability not assessed by the tester; Priced higher by the numbers than some rivals (Value scored 7/10).
Pro 80V 18" Chainsaw
Only one whitelisted tester, Pro Tool Reviews, has a hands-on field review of this exact 18-inch 80V Pro model (GCS80420). It scored 8.5/10, praised for gas-like cutting power and rugged build, with short run-time the main knock. No tester-measured benchmark numbers were published (only manufacturer specs). (1 sourced review, 1 lab-tested.)
Praised: Gas-like cutting power; the 18-inch bar cleanly sliced 16-inch oak trunks; Rugged, gas-saw build feel — metal wrap-around handle and steel bucking spikes; Near-instant on-power versus competitors' start delay, plus quieter operation than gas.
Flagged: Short run-time on the 2.0Ah battery; needs spare packs for larger jobs; Heavy and hefty — not an ultralight in-tree saw; Can stall if pushed too hard into thick trunks.