Garmin Fenix 8 47mm AMOLED vs Fenix 8 47mm Solar
Size, specs & wrist fit compared
Which one fits you
Both need much the same wrist: neither overhangs from 16.5 cm (6.5 in) round, and both are in their sweet spot around 17.5–19.5 cm. Wrist size will not decide between these two.
What else differs
- Screen: the Fenix 8 47mm AMOLED has the larger screen, 1.4 in across against 1.3 in on the Fenix 8 47mm Solar, and the Fenix 8 47mm AMOLED uses a bright AMOLED screen, the Fenix 8 47mm Solar a memory-in-pixel screen that is easy to read in sunlight and sips battery.
- Battery: 21 days for the Fenix 8 47mm Solar against 16 days for the Fenix 8 47mm AMOLED in everyday use; 2.8 days for the Fenix 8 47mm Solar against 47 hours for the Fenix 8 47mm AMOLED with GPS on.
The Fenix 8 47mm AMOLED and Fenix 8 47mm Solar share a near-identical 47mm case, so on the wrist the difference is thickness and weight.
Among the 79 smartwatches 47mm across that we hold thickness for, the Fenix 8 47mm Solar is thicker than 87%, so it sits higher on the wrist than most of its size.
The Fenix 8 47mm AMOLED is 1.4mm thinner than the Fenix 8 47mm Solar.
Fenix 8 47mm AMOLED
Fenix 8 47mm Solar
Fenix 8 47mm AMOLED or Fenix 8 47mm Solar by wrist size
| Wrist round (mm left each side) | Fenix 8 47mm AMOLED≈54mm lug to lug, est. | Fenix 8 47mm Solar≈54mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (4.4mm over) | Overhangs (4.4mm over) |
| 15 cm / 5.9 in | Overhangs (2.8mm over) | Overhangs (2.8mm over) |
| 16 cm / 6.3 in | Overhangs (1.2mm over) | Overhangs (1.2mm over) |
| 17 cm / 6.7 in | Bold (0.4mm) | Bold (0.4mm) |
| 18 cm / 7.1 in | Sweet spot (2mm) | Sweet spot (2mm) |
| 19 cm / 7.5 in | Sweet spot (3.6mm) | Sweet spot (3.6mm) |
| 20 cm / 7.9 in | Balanced (5.3mm) | Balanced (5.3mm) |
Switch or add watches
Garmin
Fenix 8 47mm AMOLED
Garmin
Fenix 8 47mm Solar
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Battery life compared
Furthest apart in Expedition mode, where the Solar lasts 2.0× as long as the AMOLED (34 days against 17 days).
AMOLEDSolar
Battery saver
23 days34 days +58 daysExpedition
17 days34 days +58 daysSmartwatch
16 days21 days +28 daysMax battery GPS
81 hours132 hours +283 hoursGPS only
47 hours67 hours +92 hoursAll systems
38 hours48 hours +59 hoursAll systems + multi-band
35 hours37 hours +43 hoursAll systems with music
10 hours13 hours
Amber figures are the solar-assisted runtime the manufacturer publishes for that mode.
More comparisons
2D Dimension Schematics
- Garmin Fenix 8 47mm AMOLED 47mm × ≈54mm (est.) · 13.8mm thick
- Garmin Fenix 8 47mm Solar 47mm × ≈54mm (est.) · 15.2mm thick
3D preview
Fenix 8 47mm AMOLED vs Fenix 8 47mm Solar on a wrist
Specifications
The short version
7 key specs| Spec | GarminFenix 8 47mm AMOLED | GarminFenix 8 47mm Solar |
|---|---|---|
| Case Width | 47mm | 47mm |
| Thickness | 13.8mm | 15.2mm |
| Weight | 80g | 80g |
| Shape | Circular | Circular |
| Display type | AMOLED | Sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life | Smartwatch: Up to 16 days (7 days always-on) Battery Saver Watch Mode: Up to 23 days GPS Only: Up to 47 hours (37 hours always-on) All Satellite Systems: Up to 38 hours (30 hours always-on) All Satellite Systems + Multi-band: Up to 35 hours (28 hours always-on)* All Satellite Systems + Music: Up to 10 hours Max Battery GPS: Up to 81 hours Expedition GPS: Up to 17 days *Assuming typical use with SatIQ technology | Smartwatch: Up to 21 days/28 days with solar* Battery Saver Watch Mode: Up to 34 days/58 days with solar* GPS Only: Up to 67 hours/92 hours with solar** All Satellite Systems: Up to 48 hours/59 hours with solar** All Satellite Systems + Multi-band: Up to 37 hours/43 hours with solar*** All Satellite Systems + Music: Up to 13 hours Max Battery GPS: Up to 132 hours/283 hours with solar** Expedition GPS: Up to 34 days/58 days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions ***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology |
| Released | 2024 | 2024 |
Where the specifications differ
12 differences| Spec | Garmin Fenix 8 47mm AMOLED | Garmin Fenix 8 47mm Solar |
|---|---|---|
| General | ||
| Battery life | Smartwatch: Up to 16 days (7 days always-on) Battery Saver Watch Mode: Up to 23 days GPS Only: Up to 47 hours (37 hours always-on) All Satellite Systems: Up to 38 hours (30 hours always-on) All Satellite Systems + Multi-band: Up to 35 hours (28 hours always-on)* All Satellite Systems + Music: Up to 10 hours Max Battery GPS: Up to 81 hours Expedition GPS: Up to 17 days *Assuming typical use with SatIQ technology | Smartwatch: Up to 21 days/28 days with solar* Battery Saver Watch Mode: Up to 34 days/58 days with solar* GPS Only: Up to 67 hours/92 hours with solar** All Satellite Systems: Up to 48 hours/59 hours with solar** All Satellite Systems + Multi-band: Up to 37 hours/43 hours with solar*** All Satellite Systems + Music: Up to 13 hours Max Battery GPS: Up to 132 hours/283 hours with solar** Expedition GPS: Up to 34 days/58 days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions ***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology |
| Display Size | 1.4” (35.56 mm) diameter | 1.3” (33.00 mm) diameter |
| Lens Material | Corning® Gorilla® Glass or sapphire crystal | Power Sapphire™ |
| Bezel Material | stainless steel or titanium | titanium |
| Display resolution | 454 x 454 pixels | 260 x 260 pixels |
| Product Info | ||
| Main SKU | 010-02904-10 | 010-02906-20 |
| Product ID | 1228429 | 1389491 |
| Product Name | fēnix® 8 – 47 mm, AMOLED | fēnix® 8 – 47 mm, Solar |
| Product Variation | Sapphire, Titanium with Spark Orange/Graphite Silicone Band | Sapphire, Titanium with Amp Yellow/Graphite Silicone Band |
| What You'll Love | ||
| Display type | AMOLED | Sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life (smartwatch mode) | Up to 16 days (7 days always-on) | Up to 21 days (28 days with solar) |
| Outdoor Recreation | ||
| Preloaded road and trail maps | yes (Sapphire Editions only) | Yes |
The other 320 specifications both list are identical.
Full Garmin Fenix 8 47mm AMOLED specifications →Full Garmin Fenix 8 47mm Solar specifications →

