Here is how these two sleeping pads compare on the numbers. The Q-Core SLX leans on low weight while the Quasar 3D answers with warmth, so the pick comes down to which you value.
| Big Agnes Q-Core SLX | NEMO Quasar 3D | |
|---|---|---|
| GearScore | 74✓ | 71 |
| Warmth (R-value) | 3.2 R | 3.3 R✓ |
| Weight | 18.0 oz✓ | 25.0 oz |
| Warmth-to-weight | 0.63 R/100g✓ | 0.47 R/100g |
| Packed size | 1.55 L✓ | 2.07 L |
| Thickness | 3.5 in | 3.5 in |
| Durability | n/s | 30 /100 |
| Price | $170 | $160✓ |
| Features | 1Repair kit included | 3Pump sack included, Two-way valve, Repair kit included✓ |
| Type | Inflatable | Inflatable |
| Shape | Rectangular | Rectangular |
Highlighted cells mark the better spec: Q-Core SLX in blue, Quasar 3D in amber. A blank spec is never counted as a win. GearScore is the rating for the Overall use-case (0 to 100). Pick another above to re-score. Prices are current MSRP.
The Big Agnes Q-Core SLX against the NEMO Quasar 3D is a study in priorities. The Q-Core SLX wins on low weight and warmth-to-weight, and the Quasar 3D pushes back on warmth and price.
The Q-Core SLX is 7 oz lighter, stronger on warmth-to-weight, and more packable (1.6 L vs 2.1 L). The Quasar 3D is warmer (R 3.3 vs R 3.2) and $10 cheaper. On the default GearScore the Q-Core SLX leads 74 to 71.
Pick the Q-Core SLX if you care most about low weight and warmth-to-weight, which makes it the better call for counting grams on long miles. Pick the Quasar 3D if warmth and price matter more to you, or you are focused on colder nights and shoulder-season trips.
The Big Agnes Q-Core SLX. It is 7 oz lighter than the Quasar 3D.
The NEMO Quasar 3D. It is warmer (R 3.3 vs R 3.2) than the Q-Core SLX.
The Big Agnes Q-Core SLX, 74 to 71 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Q-Core SLX for low weight, or the Quasar 3D for warmth. The spec table above shows exactly where each wins.