Fenix PD36R ACE vs Nitecore P20iX size comparison

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The Nitecore P20iX is 4.5 mm (0.18 in) shorter than the Fenix PD36R 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.

Fenix PD36R ACE · 146 mmNitecore P20iX · 141.5 mm

The Nitecore P20iX is 4.5 mm (0.18 in) shorter than the Fenix PD36R 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 PD36R ACE
Check price ↗
Nitecore P20iX
Check price ↗
Length146 mm (5.75 in)141.5 mm (5.57 in)−4.5 mm
Head / width30 mm (1.18 in)31.8 mm (1.25 in)+1.8 mm
Body26 mm (1.02 in)25.4 mm (1.00 in)−0.6 mm
Weight181.6 g with battery116 g listed (battery unspecified)
Battery2170021700
Max output3,000 lm4,000 lm
Throw415 m—
TypeEDCEDC
Price$109.95 at fenixlighting.com, as of Nov 4, 2026$119.95 at nitecorestore.com, as of Nov 4, 2026
Sourcefenixlighting.com sourcednitecorestore.com sourced
Listed L-5.57" x W-1.25" x H-1.00", 4.09 oz; converted

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PD36R ACE vs P20iX: how they differ

Size and weight

The Nitecore P20iX is the shorter light: 141.5 mm (5.57 in) against 146 mm (5.75 in), a difference of 4.5 mm (3%). At its widest point the Fenix PD36R ACE is 1.8 mm slimmer (30 vs 31.8 mm). Weights are published on different bases (Fenix PD36R ACE: 181.6 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 3,000 lm for the Fenix PD36R ACE, 33% 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 PD36R ACE was $109.95 at fenixlighting.com and the Nitecore P20iX $119.95 at nitecorestore.com, so the Fenix PD36R ACE 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 PD36R ACE if you want a slimmer profile (1.8 mm narrower). Choose the Nitecore P20iX if you want a shorter light (4.5 mm shorter) and more output (4,000 lm vs 3,000 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Fenix PD36R ACE Check price ↗ Nitecore P20iX

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PD36R ACE vs P20iX FAQ

Which is smaller, the Fenix PD36R ACE or the Nitecore P20iX?

The Nitecore P20iX is the shorter light: 141.5 mm (5.57 in) against 146 mm (5.75 in), a difference of 4.5 mm (3%). At its widest point the Fenix PD36R ACE is 1.8 mm slimmer (30 vs 31.8 mm). Weights are published on different bases (Fenix PD36R ACE: 181.6 g with battery; Nitecore P20iX: 116 g listed (battery unspecified)), so they are not directly comparable.

Which is brighter, the Fenix PD36R ACE or the Nitecore P20iX?

The Nitecore P20iX is rated brighter: 4,000 lm maximum vs 3,000 lm for the Fenix PD36R ACE, 33% more.

Which is cheaper, the Fenix PD36R ACE or the Nitecore P20iX?

When we checked on Nov 4, 2026, the Fenix PD36R ACE was $109.95 at fenixlighting.com and the Nitecore P20iX $119.95 at nitecorestore.com, so the Fenix PD36R ACE cost $10.00 less. Prices change often, so check the current price before you buy.

Do the Fenix PD36R ACE and Nitecore P20iX use the same battery?

Both run on a removable 21700 battery, so spare cells work in either light.

Compare Fenix PD36R ACE with similar lights

PD36R ACE vs P23iPD36R ACE vs EDCL2-TPD36R ACE vs PD36R PROPD36R ACE vs Warrior 3SPD36R ACE vs Warrior UltraPD36R ACE vs EDC2-DFT

Compare Nitecore P20iX with similar lights

P20iX vs EDC25P20iX vs PD40R V3.0P20iX vs TK16 V2.0P20iX vs EDC27P20iX vs EDC27 UHiP20iX vs Warrior 3S

More

Fenix PD36R ACE size & specsNitecore P20iX size & specsBest 21700 flashlightsAll Fenix lightsAll Nitecore lightsBest EDC flashlights

Sources

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