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  3. PD45R ACE vs TK21R

Fenix PD45R ACE vs Fenix TK21R

What PD45R ACE does better (1) and where TK21R wins (4) — every spec side by side.

Fenix PD45R ACE
Fenix · 2025PD45R ACE
8.0Score
1 advantage≈ $130
vs
Fenix TK21R
Fenix · 2025TK21R
8.5Score
4 advantages≈ $135
Higher score
7.4Brightness & throw8.0
6.9Battery & charging8.2
6.0Build & durability5.5
5.9Features5.9
Dimensions

Size comparison

PD45R ACETK21R
30 × 157.725.936 × 159.525.4
PD45R ACETK21RDifference
Length / height157.7 mm159.5 mm−1.8 mm
Head diameter / width30 mm36 mm−6 mm
Body diameter / depth25.9 mm25.4 mm+0.5 mm
Weight200 g221 g−21 g

Drawn to the same scale from the official dimensions (front and side).

Why is PD45R ACE better than TK21R?

  1. Weight200 g vs 221 g+10%

Why is TK21R better than PD45R ACE?

  1. Beam distance (ANSI FL1)410 m vs 480 m+17%
  2. Maximum output3,200 lm vs 3,600 lm+12%
  3. Peak beam intensity42,020 cd vs 57,600 cd+37%
  4. Maximum runtime57 h vs 72.5 h+27%
Specifications

Side by side

Fenix PD45R ACEFenix PD45R ACE≈ $1308.0
Fenix TK21RFenix TK21R≈ $1358.5
Light output
Maximum output3,200 lm3,600 lm
Peak beam intensity42,020 cd57,600 cd
Beam distance (ANSI FL1)410 m480 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SFT-90
LED makerLuminusLuminus
Colour temperature6,500K6,600K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Battery capacity6,000 mAh6,000 mAh
Maximum runtime57 h72.5 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Body materialAluminiumAluminium
Size & weight
Length / height157.7 mm159.5 mm
Head diameter / width30 mm36 mm
Body diameter / depth25.9 mm25.4 mm
Weight200 g221 g
Modes & features
SwitchRotary / scroll wheelDual switches
Tactical tail switch (momentary on)—Yes
StrobeYesYes
LockoutYes—
Mode memoryYesYes
ColoursBlack—
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