Finding the right eye tracker for your needs can be a difficult process. There are many things to consider, all depending on what you want to study, and how you want to study it. Below, we’ve put together a comprehensive listing of many of the variables that you’ll want to consider when investing in an eye tracking unit.

These ten eye trackers are some of the most commonly used in biometric studies, and all can be easily integrated in iMotions with other biometric sensors.

Tobii X2-30 Tobii X2-60 Tobii TX300 EyeTech VT3 Mini Gazepoint GP3
Sample Rate 30 Hz (±2 Hz) 60 Hz (±1 Hz) 300 Hz (±1 Hz) 30 / 60 / 120 / 200 Hz 60 Hz
Accuracy 0.4° 0.4° 0.4° 0.5° 0.5 – 1°
Recovery Time N/A N/A 10-165 ms N/A
Mount Type On screen, stand On screen, stand Built-in screen On screen On screen
Screen Size Up to 25″ when
mounted (16:9)
Up to 25″ when
mounted (16:9)
23″ (1920 x 1080 pixels) Up to 24″ Up to 24″
Operating Distance 40-90cm 40-90cm 50-80cm 40-75cm 50-80cm
Head Movement 50 x 36 cm 50 x 36 cm 37 x 17 cm 31,5 x 22,5 cm 25 x 11 cm
Pupil size Yes Yes Yes Yes Yes
Distance Yes Yes Yes Yes Yes
Connection Type USB 2.0 USB 2.0, LAN LAN + VGA/DVI Mini USB USB
Data Processing PC External Unit Internal Internal PC
Weight 0.2 kg 0.2 kg + unit 6 kg 0.21 kg 0.14 kg
Dimensions 18.4 x 2.8 x 2.3 cm 18.4 x 2.8 x 2.3 cm 56 x 54 x 24 cm 25,4 x 2,6 x 3.2 cm 32 x 4.5 x 4 cm
Tobii T60XL Tobii X3-120 Tobii Pro Spectrum (Pre) Gazepoint GP3 HD Eyelink 1000
Sample Rate 60 Hz 120 Hz 60 Hz – 600 Hz 150 Hz 250/1000 Hz
Accuracy 0.5° 0.4° 0.4° 0.5 – 1° 0.25°-0.5°
Recovery Time 300 ms ≤100 ms ≤100 ms N/A N/A
Mount Type Built-in screen On screen, stand Stand / supplied monitor On screen Screen, tower, LCD arm, long Range
Screen Size 24″ (1920 x 1200 pixels) Up to 25″ when
mounted (16:9)
23.8″ Up to 24″ N/A
Operating Distance 50-80cm 50-90cm 55-75cm N/A Depending on mount
Head Movement  41 x 21 cm 50 x 40 cm 29 x 23 cm 35 x 22 cm 25 x 25 cm
Pupil size Yes Yes Yes Yes Yes
Distance Yes Yes Yes Yes Yes
Connection Type LAN + VGA/DVI USB 3.0, LAN (External Unit) LAN USB LAN + CameraLink Cable
Data Processing Internal PC, External Unit (Accessory) Internal PC N/A
Weight 13 kg 0.12 kg + Unit 5 kg 0.15 kg N/A
Dimensions 57.3 x 57.9 x 28.1 cm 32.4 x 20 x 1.7 cm 55 x 18 x 6 cm 32 x 4,5 x 4,7 cm N/A

We hope that this listing proves helpful – if you’d like to learn more about why these details can be important for eye tracking research, then download our free eye tracking guide below or contact us to learn more about starting your eye tracking journey.

 

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