Fenix PD40R V3.0 vs Fenix PD45R ACE size comparison
The Fenix PD45R ACE is 14.7 mm (0.58 in) longer than the Fenix PD40R V3.0, and 4 mm narrower at its widest point. It is 3 g heavier (with battery).
The Fenix PD45R ACE is 14.7 mm (0.58 in) longer than the Fenix PD40R V3.0, and 4 mm narrower at its widest point. It is 3 g heavier (with battery).
Dimensions
| Fenix PD40R V3.0 Check price ↗ | Fenix PD45R ACE Check price ↗ | |
| Length | 143 mm (5.63 in) | 157.7 mm (6.21 in)+14.7 mm |
| Head / width | 34 mm (1.34 in) | 30 mm (1.18 in)−4 mm |
| Body | 26 mm (1.02 in) | 25.9 mm (1.02 in)−0.1 mm |
| Weight | 198 g with battery | 200.5 g with battery+3 g |
| Battery | 21700 | 21700 |
| Max output | 3,000 lm | 3,200 lm |
| Throw | 500 m | 410 m |
| Type | EDC | EDC |
| Price | $119.95 at fenixlighting.com, as of Nov 4, 2026 | $129.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced Listed 30 mm wide x 25.9 mm high |
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PD40R V3.0 vs PD45R ACE: how they differ
Size and weight
The Fenix PD40R V3.0 is the shorter light: 143 mm (5.63 in) against 157.7 mm (6.21 in), a difference of 14.7 mm (9%). At its widest point the Fenix PD45R ACE is 4 mm slimmer (30 vs 34 mm). The Fenix PD40R V3.0 is 3 g lighter (198 g vs 200.5 g, with battery).
Brightness and throw
The Fenix PD45R ACE is rated brighter: 3,200 lm maximum vs 3,000 lm for the Fenix PD40R V3.0, 7% more. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 410 m rated throw (22% 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 PD40R V3.0 was $119.95 at fenixlighting.com and the Fenix PD45R ACE $129.95 at fenixlighting.com, so the Fenix PD40R V3.0 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 PD40R V3.0 if you want a shorter light (14.7 mm shorter) and longer throw (500 m vs 410 m). Choose the Fenix PD45R ACE if you want a slimmer profile (4 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD40R V3.0 Check price ↗ Fenix PD45R ACE
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PD40R V3.0 vs PD45R ACE FAQ
Which is smaller, the Fenix PD40R V3.0 or the Fenix PD45R ACE?
The Fenix PD40R V3.0 is the shorter light: 143 mm (5.63 in) against 157.7 mm (6.21 in), a difference of 14.7 mm (9%). At its widest point the Fenix PD45R ACE is 4 mm slimmer (30 vs 34 mm). The Fenix PD40R V3.0 is 3 g lighter (198 g vs 200.5 g, with battery).
Which is brighter, the Fenix PD40R V3.0 or the Fenix PD45R ACE?
The Fenix PD45R ACE is rated brighter: 3,200 lm maximum vs 3,000 lm for the Fenix PD40R V3.0, 7% more. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 410 m rated throw (22% more).
Which is cheaper, the Fenix PD40R V3.0 or the Fenix PD45R ACE?
When we checked on Nov 4, 2026, the Fenix PD40R V3.0 was $119.95 at fenixlighting.com and the Fenix PD45R ACE $129.95 at fenixlighting.com, so the Fenix PD40R V3.0 cost $10.00 less. Prices change often, so check the current price before you buy.
Do the Fenix PD40R V3.0 and Fenix PD45R ACE use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Fenix PD40R V3.0 with similar lights
Compare Fenix PD45R ACE with similar lights
More
Sources
- Fenix PD40R V3.0: specs from Fenix product page (manufacturer). Price $119.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix PD45R ACE: specs from Fenix product page (manufacturer). Price $129.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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