Product Comparison

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GPSMAP® 8417 MFD
$7,399.99 USD
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GPSMAP® 8422 MFD
$9,899.99 USD
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GPSMAP® 8424 MFD
$11,899.99 USD
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GPSMAP® 8624 MFD
$11,999.99 USD
Print Remove this device from comparison.
GPSMAP® 8417 MFD
$7,399.99 USD
Buy Now
Remove this device from comparison.
GPSMAP® 8422 MFD
$9,899.99 USD
Remove this device from comparison.
GPSMAP® 8424 MFD
$11,899.99 USD
Remove this device from comparison.
GPSMAP® 8624 MFD
$11,999.99 USD

Premium large-format 17-inch full HD Glass Helm display with touch control and the highest resolution on the marine market

Premium large-format 22-inch full HD Glass Helm display with touch control and the highest resolution on the marine market

Premium large-format 24-inch full HD Glass Helm display with touch control and the highest resolution on the marine market

Premium large-format 24-inch full HD Glass Helm display with touch control, the highest resolution on the marine market and preloaded maps and charts

General

Physical dimensions 16.5" x 12.1" x 2.8" (41.9 cm x 30.7 cm x 7.1 cm) 20.8" x 13.8" x 2.8" (52.8 cm x 35.1 cm x 7.1 cm) 22.8" x 16.1" x 2.8" (60.0 cm x 41.0 cm x 7.1 cm) 22.8" x 16.1" x 2.8" (60.0 cm x 41.0 cm x 7.1 cm)
Display size

14.4" x 9.1"; 17.0" diagonal

(36.6 x 23.1 cm; 43.2 cm diagonal)

18.8" x 10.6"; 21.5" diagonal

(47.8 x 27.0 cm; 54.6 cm diagonal)

20.4" x 12.8"; 24.0" diagonal

(51.8 x 32.5 cm; 61.0 cm diagonal)

20.4" x 12.8"; 24.0" diagonal

(51.8 x 32.5 cm; 61.0 cm diagonal)

Display resolution 1920 x 1200 pixels 1920 x 1080 pixels 1920 x 1200 pixels 1920 x 1200 pixels
Display type Touchscreen IPS display (anti-glare finish) Touchscreen IPS display (anti-glare finish) Touchscreen IPS display (anti-glare finish) Touchscreen IPS display (anti-glare finish)
Weight 11.48 lbs (5.21 kg) 15.63 lbs (7.09 kg) 18.95 lbs (8.60 kg) 18.95 lbs (8.60 kg)
Water rating

IPX7

IPX7

IPX7

IPX7

Power consumption

Max power usage at 10 Vdc: 40 W

Typical current draw at 12 Vdc: 2.8 A

Max current draw at 12 Vdc: 3.5 A

Max power usage at 10 Vdc: 59 W

Typical current draw at 12 Vdc: 3.9 A

Max current draw at 12 Vdc: 4.9 A

Max power usage at 10 Vdc: 87 W

Typical current draw at 12 Vdc: 6.1 A

Max current draw at 12 Vdc: 7.6 A

Max power usage at 10 Vdc: 87 W

Typical current draw at 12 Vdc: 6.1 A

Max current draw at 12 Vdc: 7.6 A

Antenna External only External only External only External only
Mounting options Flush or Flat Flush or Flat Flush or Flat Flush or Flat
Receiver

10 Hz high-sensitivity

10 Hz high-sensitivity

10 Hz high-sensitivity

10 Hz high-sensitivity

Garmin Marine Network™ ports

4

4

4

4

Maps & Memory

Preloaded maps

None

None

None

BlueChart® g3 (US and Western Canada coastal maps) and LakeVü g3 (inland maps)

Accepts data cards

2 SD Cards (with Garmin SD card reader accessory)

2 SD Cards (with Garmin SD card reader accesory)

2 SD Cards (with Garmin SD card reader accesory)

2 SD Cards (with Garmin SD card reader accesory)

Waypoints

5,000

5,000

5,000

5,000

Routes 100 (250 waypoints each) 100 (250 waypoints each) 100 (250 waypoints each) 100 (250 waypoints each)
Track log 50,000 points; 50 saved tracks, with 5000 points each 50,000 points; 50 saved tracks, with 5000 points each 50,000 points; 50 saved tracks, with 5000 points each 50,000 points; 50 saved tracks, with 5000 points each

Outdoor Recreation Features

Tide tables

Chartplotter Features

Garmin Radar compatible
Garmin Sonar compatible

Yes

Yes

Yes

Yes

Garmin SmartMode compatible (customizable monitor presets)
Supports AIS (tracks target ships position)
Supports DSC (displays position data from DSC-capable VHF radio)
Garmin Meteor™ Audio System compatible
Supports FUSION-Link™ compatible radios
GSD™ Black Box sonar support
GCV™ Black Box sonar support
ActiveCaptain compatible

Yes

Yes

Yes

Yes

GRID™ (Garmin Remote Input Device) compatible

Sonar Features & Specifications

Dual-frequency (50/200 kHz) sonar capable Yes (with external black box, sold separately) Yes (with external black box, sold separately) Yes (with external black box, sold separately) Yes (with external black box, sold separately)
Dual-beam (77/200 kHz) sonar capable Yes (with external black box, sold separately) Yes (with external black box, sold separately) Yes (with external black box, sold separately) Yes (with external black box, sold separately)
CHIRP sonar technology Yes (with external black box, sold separately) Yes (with external black box, sold separately) Yes (with external black box, sold separately) Yes (with external black box, sold separately)
ClearVü

Yes (with GCV™ black box, sold separately)

Yes (with GCV™ black box, sold separately)

Yes (with GCV™ black box, sold separately)

Yes (with GCV™ black box, sold separately)

SideVü

Yes (with GCV™ black box, sold separately)

Yes (with GCV™ black box, sold separately)

Yes (with GCV™ black box, sold separately)

Yes (with GCV™ black box, sold separately)

Connections

NMEA 2000® compatible
NMEA 0183 input ports

4

4

4

4

NMEA 0183 output ports

2

2

2

2

Video input ports

1 - BNC composite

1 - HDMI (HDCP compliant)

1 - BNC composite

1 - HDMI (HDCP compliant)

1 - BNC composite

1 - HDMI (HDCP compliant)

1 - BNC composite

1 - HDMI (HDCP compliant)

Video output ports

1 - HDMI

1 - HDMI

1 - HDMI

1 - HDMI

Wireless connectivity

Yes

Yes

Yes

Yes

Additional

Additional

Additional connections:

  • NMEA 2000 port: 1
  • USB port: 1
  • J1939 port: 1

HDMI and composite video inputs are encoded and shared across the Garmin Marine Network to other comaptible chartplotters.

Additional connections:

  • NMEA 2000 port: 1
  • USB port: 1
  • J1939 port: 1

HDMI and composite video inputs are encoded and shared across the Garmin Marine Network to other comaptible chartplotters.

Additional connections:

  • NMEA 2000 port: 1
  • USB port: 1
  • J1939 port: 1

HDMI and composite video inputs are encoded and shared across the Garmin Marine Network to other comaptible chartplotters.

Additional connections:

  • NMEA 2000 port: 1
  • USB port: 1
  • J1939 port: 1

HDMI and composite video inputs are encoded and shared across the Garmin Marine Network to other compatible chartplotters.