How we scoreBlogAdvertise
html›body›main#compare791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Compare
  3. PD40R V2.0 vs TK20R V2.0

Fenix PD40R V2.0 vs Fenix TK20R V2.0

What PD40R V2.0 does better (2) and where TK20R V2.0 wins (3) — every spec side by side.

Fenix PD40R V2.0
Fenix · 2020PD40R V2.0
7.0Score
2 advantages≈ $120
vs
Fenix TK20R V2.0
Fenix · 2022TK20R V2.0
7.9Score
3 advantages≈ $130
Higher score
7.1Brightness & throw7.5
7.2Battery & charging5.6
8.3Build & durability5.9
3.5Light quality7.9
5.9Features5.9
Dimensions

Size comparison

PD40R V2.0TK20R V2.0
33.2 × 1382634 × 15325.4
PD40R V2.0TK20R V2.0Difference
Length / height138 mm153 mm−15 mm
Head diameter / width33.2 mm34 mm−0.8 mm
Body diameter / depth26 mm25.4 mm+0.6 mm
Weight116 g204 g−88 g

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

Why is PD40R V2.0 better than TK20R V2.0?

  1. Maximum runtime88.2 h vs 48 h+84%
  2. Weight116 g vs 204 g+76%

Why is TK20R V2.0 better than PD40R V2.0?

  1. Beam distance (ANSI FL1)405 m vs 475 m+17%
  2. Peak beam intensity41,010 cd vs 56,410 cd+38%
  3. Brightness levels4 vs 5+25%
Specifications

Side by side

Fenix PD40R V2.0Fenix PD40R V2.0≈ $1207.0
Fenix TK20R V2.0Fenix TK20R V2.0≈ $1307.9
Light output
Maximum output3,000 lm3,000 lm
Peak beam intensity41,010 cd56,410 cd
Beam distance (ANSI FL1)405 m475 m
Light sourceLEDLED
LED & beam
LED emitterLuminus SST-70Luminus SFT-70
LED makerLuminusLuminus
Colour temperature—6,500K
Battery & charging
Battery21700 Li-ion, 18650 Li-ion21700 Li-ion
Number of batteries—1
Battery capacity—5,000 mAh
Maximum runtime88.2 h48 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Submersible to2 m—
Size & weight
Length / height138 mm153 mm
Head diameter / width33.2 mm34 mm
Body diameter / depth26 mm25.4 mm
Weight116 g204 g
Modes & features
Brightness levels45
SwitchRotary / scroll wheelDual switches
StrobeYesYes
Mode memory—Yes
Colours—Black
To compare: 0up to 4 models
Compare