# CS-400 vs Pro 80V 18" Chainsaw: specs and price compared

A sourced, side-by-side comparison of the CS-400 (Echo) and Pro 80V 18" Chainsaw (Greenworks) among chainsaws.

## Side by side

| Spec | CS-400 | Pro 80V 18" Chainsaw |
| --- | --- | --- |
| US price | not published | $379.99 |
| Brand | Echo | Greenworks |
| 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 |

## Key differences

- 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 Yes vs Pro 80V 18" Chainsaw No

## What reviewers say

**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.)

**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.)

## Sources

- CS-400: https://www.echo-usa.com/getattachment/07628055-6ed6-492b-9057-0bce6550dbed/CS-400es_1112_120913.pdf (echo-usa.com, verified 2026-06-19)
- Pro 80V 18" Chainsaw: https://www.greenworkstools.com/products/pro-80v-cordless-18-inch-chainsaw-2000002 (greenworkstools.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/chainsaws/echo-cs-400-vs-greenworks-pro-80v-18in/
Cite: Per The Front Desk Review, CS-400 (not published) vs Pro 80V 18" Chainsaw ($379.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/chainsaws/echo-cs-400-vs-greenworks-pro-80v-18in/
License: CC BY 4.0.