Here is how these two backpacks compare on the numbers. Both are solid; the right one depends on the specs you care about most.
| Osprey Ariel 65 | Gregory Deva 60 | |
|---|---|---|
| GearScore | 71✓ | 67 |
| Capacity | 65 L | 60 L |
| Weight | 4 lb 14 oz | 4 lb 10 oz✓ |
| Rated load | 60 lb | 60 lb |
| Fabric denier | 420 D✓ | 210 D |
| Price | $370 | $370✓ |
| Type | Backpacking | Backpacking |
| Frame | Internal | Internal |
Highlighted cells mark the better spec: Ariel 65 in blue, Deva 60 in amber. A blank spec is never counted as a win. Capacity is shown for context and is not scored, since more volume is a sizing choice rather than better. GearScore is the overall rating (0 to 100); re-weight it on the full backpack comparison. Prices are current MSRP.
The Osprey Ariel 65 against the Gregory Deva 60 is a study in priorities. The Ariel 65 wins on durability, and the Deva 60 pushes back on low weight and price.
The Ariel 65 is tougher fabric (420D vs 210D). The Deva 60 is 4 oz lighter and a little cheaper. On the default GearScore the Ariel 65 leads 71 to 67.
Pick the Ariel 65 if you care most about durability, which makes it the better call for rough ground and hard use. Pick the Deva 60 if low weight and price matter more to you, or you are focused on counting grams on long miles.
The Gregory Deva 60. It is 4 oz lighter than the Ariel 65.
The Osprey Ariel 65. It is tougher fabric (420D vs 210D) than the Deva 60.
The Osprey Ariel 65, 71 to 67 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Ariel 65 for durability, or the Deva 60 for low weight. The spec table above shows exactly where each wins.