Product Comparison

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GPSMAP® 8417 MFD
$7,699.99 USD
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GPSMAP® 8422 MFD
$10,199.99 USD
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GPSMAP® 8424 MFD
$12,199.99 USD
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GPSMAP® 8624 MFD
$12,299.99 USD
Print Remove this device from comparison.
GPSMAP® 8417 MFD
$7,699.99 USD
Remove this device from comparison.
GPSMAP® 8422 MFD
$10,199.99 USD
Remove this device from comparison.
GPSMAP® 8424 MFD
$12,199.99 USD
Remove this device from comparison.
GPSMAP® 8624 MFD
$12,299.99 USD

You're a mariner who wants the highest resolution on the market. This premium 17" full HD Glass Helm touchscreen chartplotter is the one for you.

Touchscreen chartplotter/sonar combo, available in sizes from 10” to 24”, with full HD in-plane switching display and mapping

You're a mariner who wants the highest resolution on the market. This premium 24" full HD Glass Helm touchscreen chartplotter is the one for you.

You're a mariner who wants the highest resolution on the market plus built-in maps and charts. This premium 24" full HD Glass Helm touchscreen chartplotter is the one for you.

General

Dimension 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)
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)
Waterproof

IPX7

IPX7

IPX7

IPX7

Touchscreen
Display Type FHD, IPS FHD, IPS FHD, IPS FHD, IPS
Display Size 14.4" x 9.1"; 17.0" diagonal, 36.6 cm x 23.1 cm; 43.2 cm diagonal 18.8" x 10.6"; 21.5" diagonal, 47.8 cm x 27.0 cm; 54.6 cm diagonal 20.4" x 12.8"; 24.0" diagonal, 51.8 cm x 32.5 cm; 61.0 cm diagonal 20.4" x 12.8"; 24.0" diagonal, 51.8 cm 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
Mounting Options Flush or flat Flush or flat Flush or flat Flush or flat

Maps & Memory

Accepts Data Cards

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)

2 SD Cards (with Garmin SD card reader accesory)

Waypoints

5000

5000

5000

5000

Track points 50,000 50,000 50,000 50,000
Tracks 50 saved tracks 50 saved tracks 50 saved tracks 50 saved tracks
Navigation Routes 100 100 100 100

Sensors

NMEA 2000 Compatible
NMEA 0183 Compatible

Built-in Maps

Built-in Auto Guidance
BlueChart (coastal)
LakeVu (inland)
Tide tables

Optional Map Support

BlueChart g3
BlueChart g3 Vision
LakeVü g3
LakeVü g3 Ultra
Garmin Navionics+™
Garmin Navionics Vision+™
TOPO 100K
Standard Mapping
Garmin Quickdraw Contours
Raster chart support

Chartplotter Features

Smart Mode Compatible
AIS
DSC
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
Wireless Remote Compatible
Sailing Features
Spoken audio alerts
OneHelm support

Electrical Features

Power Input 10-35 Vdc 10-35 Vdc 10-35 Vdc 10 to 35 Vdc
Typical current draw at 12 Vdc 2.8 A 3.9 A 6.1A 6.1A
Maximum current draw at 12 Vdc 3.5 A 4.9 A 7.6A 7.6A
Maximum power usage at 10 Vdc 40W 59W 87W 87W

Sonar Features & Specifications

Displays sonar
Traditional sonar (dual frequency/beam) 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 compatible black box sonar) yes (with GCV™ black box, sold separately) yes (with GCV™ black box, sold separately) yes (with GCV™ black box, sold separately)
Panoptix™ sonar
LiveScope

Connections

NMEA 2000® ports 1 1 1 1
Connections NMEA0183 Input Ports

4

4

4

4

NMEA 0183 input (Tx) 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

J1939 ports 1 1 1 1
Garmin Marine Network Ports

4

4

4

4

USB ports
BLUETOOTH® pairing
ANT+ (Connectivity)
Garmin Wi-Fi network (local connection)