KNKG CORE PRO Backpack Large 33L vs SwissGear 3670 USB ScanSmart Laptop Backpack
The KNKG CORE PRO Backpack Large 33L is 33L and 1.1kg2.4lb; the SwissGear 3670 USB ScanSmart Laptop Backpack is 33L and 1.04kg2.3lb. The SwissGear 3670 USB ScanSmart Laptop Backpack is 0.06kg0.1lb lighter. The SwissGear 3670 USB ScanSmart Laptop Backpack costs $145 less. The KNKG CORE PRO Backpack Large 33L fits the carry-on limit of 31 of 36 major airlines and the SwissGear 3670 USB ScanSmart Laptop Backpack fits 36; under the seat, 0 and 1 of 26.
| Spec | KNKG CORE PRO Backpack Large 33L | SwissGear 3670 USB ScanSmart Laptop Backpack |
|---|---|---|
| Price | $230 | $85Best |
| Volume | 33L | 33L |
| Weight | 1.1kg2.4lb | 1.04kg2.3lbBest |
| Carry-on compliance | 86% | 100%Best |
| Personal-item compliance | 0% | 4%Best |
| Dimensions | 53.3×31×20.1cm21×12×8in | 45.7×33.7×17.8cm18×13.5×7in |
| Laptop | 16" | 16" |
| Bottle pockets | 2 | 2 |
| Opening | Zippered main compartment | main zip with file pocket, ScanSmart laptop compartment, organizer compartment, exterior zip compartment |
| Warranty | 25 years | 3 years |
| Organizer | No | Yes |
| Shoe compartment | Yes | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | 500D nylon body (PVC backing), ripstop nylon internal lining, YKK zippers, powder-coated steel hardware | Polyester |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | KNKG CORE PRO Backpack Large 33L | SwissGear 3670 USB ScanSmart Laptop Backpack |
|---|---|---|---|
| Air Arabia | Carry-on | Too big | Fits |
| Air India | Carry-on | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| Qatar Airways | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Too big | Fits |
| Vueling | Carry-on | Too big | Fits |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.