This courtesy of Matthew Birch: COMPARISONS OF HAND-HELD SCREEN SIZES, PIXELS, AND RESOLUTION (21 July 2006 - Add Garmin Nuvi 350, StreetPilot c550, and 7200 data) Width Height Pix W Pix H Colors Area Pixels Approx PPI GARMIN eTrex 1.1 2.1 64 128 4 2.31 8192 60 eTrex Camo 1.1 2.1 64 128 4 2.31 8192 60 eTrex Summit 1.1 2.1 64 128 4 2.31 8192 60 eTrex Legend 1.1 2.1 160 288 4 2.31 46080 141 eTrex Legend C 1.3 1.7 176 220 256 2.21 38720 129 eTrex Vista 1.1 2.1 160 288 4 2.31 46080 141 eTrex Vista C 1.3 1.7 176 220 256 2.21 38720 129 eTrex Venture 1.1 2.1 160 288 4 2.31 46080 141 eMap 1.65 2.2 120 160 4 3.63 19200 73 G-12 1.5 2.2 64 100 2 3.3 6400 44 G-12XL 1.5 2.2 64 100 2 3.3 6400 44 G-12CX 1.5 2.2 64 100 3 3.3 6400 44 G-12map 1.5 2.2 100 160 4 3.3 16000 70 G-II 1.5 2.2 64 100 2 3.3 6400 44 G-II+ 1.5 2.2 64 100 2 3.3 6400 44 G-III 1.5 2.2 100 160 4 3.3 16000 70 G-III+ 1.5 2.2 100 160 4 3.3 16000 70 G-V 1.5 2.2 160 256 4 3.3 40960 110 G-40 1.5 2.2 64 100 2 3.3 6400 44 G-45 1.5 2.2 64 100 2 3.3 6400 44 G-45XL 1.5 2.2 64 100 2 3.3 6400 44 G-48 1.5 2.2 64 100 2 3.3 6400 44 G-60C 1.5 2.2 160 240 256 3.3 38400 109 GPSmap 76(S) 1.6 2.2 180 240 4 3.52 43200 111 GPSmap 76C(S) 1.5 2.2 160 240 256 3.3 38400 109 GPSmap 176 2.3 3.0 240 320 12* 6.86 76800 106 Navtalk 1.5 2.2 100 160 4 3.3 16000 70 nuvi 350 2.8 2.1 320 240 16bit 5.88 76800 114 nuvi 660 3.8 2.3 480 272 16bit 8.74 130560 126 Quest 2.2 1.5 240 160 256 3.3 38400 109 St Pilot 3.5 2.4 240 160 4 8.4 38400 68 St Pilot Color 3.3 1.8 240 128 16 5.94 30720 72 St Pilot III 3.4 1.8 305 160 16 6.12 48800 89 St Pilot 7200 6.1 3.5 480 234 16bit 21.35 112320 79 St Pilot c550 2.8 2.1 320 240 16bit 5.88 76800 114 zumo 550 2.8 2.1 320 240 16bit 5.88 76800 114 * Shades of gray LOWRANCE iWay 500C 4.0 3.0 320 240 256 12.0 76800 80 MAGELLAN M-315 1.4 2.3 104 160 2 3.22 16640 74 M-330map 1.4 2.3 104 160 4 3.22 16640 74 SporTrak Pro 1.35 2.2 104 160 4 2.97 16640 73 SporTrak Color 1.40 2.1 160 240 16 2.94 38400 114 Meridian Gold 1.75 2.3 120 160 4 4.02 19300 68 Meridian Plat. 1.75 2.3 120 160 4 4.02 19300 68