Fenix PD45R ACE vs Nitecore P20iX size comparison
The Nitecore P20iX is 16.2 mm (0.64 in) shorter than the Fenix PD45R ACE, and 1.8 mm wider at its widest point. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
The Nitecore P20iX is 16.2 mm (0.64 in) shorter than the Fenix PD45R ACE, and 1.8 mm wider at its widest point. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
Dimensions
| Fenix PD45R ACE Check price ↗ | Nitecore P20iX Check price ↗ | |
| Length | 157.7 mm (6.21 in) | 141.5 mm (5.57 in)−16.2 mm |
| Head / width | 30 mm (1.18 in) | 31.8 mm (1.25 in)+1.8 mm |
| Body | 25.9 mm (1.02 in) | 25.4 mm (1.00 in)−0.5 mm |
| Weight | 200.5 g with battery | 116 g listed (battery unspecified) |
| Battery | 21700 | 21700 |
| Max output | 3,200 lm | 4,000 lm |
| Throw | 410 m | — |
| Type | EDC | EDC |
| Price | $129.95 at fenixlighting.com, as of Nov 4, 2026 | $119.95 at nitecorestore.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 30 mm wide x 25.9 mm high | nitecorestore.com sourced Listed L-5.57" x W-1.25" x H-1.00", 4.09 oz; converted |
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PD45R ACE vs P20iX: how they differ
Size and weight
The Nitecore P20iX is the shorter light: 141.5 mm (5.57 in) against 157.7 mm (6.21 in), a difference of 16.2 mm (10%). At its widest point the Fenix PD45R ACE is 1.8 mm slimmer (30 vs 31.8 mm). Weights are published on different bases (Fenix PD45R ACE: 200.5 g with battery; Nitecore P20iX: 116 g listed (battery unspecified)), so they are not directly comparable.
Brightness and throw
The Nitecore P20iX is rated brighter: 4,000 lm maximum vs 3,200 lm for the Fenix PD45R ACE, 25% more.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Fenix PD45R ACE was $129.95 at fenixlighting.com and the Nitecore P20iX $119.95 at nitecorestore.com, so the Nitecore P20iX cost $10.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix PD45R ACE if you want a slimmer profile (1.8 mm narrower). Choose the Nitecore P20iX if you want a shorter light (16.2 mm shorter) and more output (4,000 lm vs 3,200 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD45R ACE Check price ↗ Nitecore P20iX
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PD45R ACE vs P20iX FAQ
Which is smaller, the Fenix PD45R ACE or the Nitecore P20iX?
The Nitecore P20iX is the shorter light: 141.5 mm (5.57 in) against 157.7 mm (6.21 in), a difference of 16.2 mm (10%). At its widest point the Fenix PD45R ACE is 1.8 mm slimmer (30 vs 31.8 mm). Weights are published on different bases (Fenix PD45R ACE: 200.5 g with battery; Nitecore P20iX: 116 g listed (battery unspecified)), so they are not directly comparable.
Which is brighter, the Fenix PD45R ACE or the Nitecore P20iX?
The Nitecore P20iX is rated brighter: 4,000 lm maximum vs 3,200 lm for the Fenix PD45R ACE, 25% more.
Which is cheaper, the Fenix PD45R ACE or the Nitecore P20iX?
When we checked on Nov 4, 2026, the Fenix PD45R ACE was $129.95 at fenixlighting.com and the Nitecore P20iX $119.95 at nitecorestore.com, so the Nitecore P20iX cost $10.00 less. Prices change often, so check the current price before you buy.
Do the Fenix PD45R ACE and Nitecore P20iX use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Fenix PD45R ACE with similar lights
Compare Nitecore P20iX with similar lights
More
Sources
- Fenix PD45R ACE: specs from Fenix product page (manufacturer). Price $129.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Nitecore P20iX: specs from manufacturer published specs as listed by nitecorestore.com. Price $119.95 from nitecorestore.com, checked Nov 4, 2026; prices change often.
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