Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - Watch Series 10 (46mm) | Garmin - Venu 4 |
|---|---|---|
| Battery life | 18 h | 264 h |
| Peak brightness | 2000 nits | 1000 nits |
| Display size | 2.04 " | 1.4 " |
| Weight | 36.4 g | 45 g |
| Cellular | true | false |
Between the Watch Series 10 (46mm) and Venu 4, the Watch Series 10 (46mm) comes out ahead in peak brightness / display size, while the Venu 4 wins on battery life. Overall, the Watch Series 10 (46mm) scores 76.9 and the Venu 4 scores 73.6 on our Mars Score.
Which should you buy?
The Watch Series 10 (46mm) edges ahead on the Mars Score (76.9 vs 73.6), but the 3.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Watch Series 10 (46mm) if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are peak brightness, display size, weight, among others. The single most decisive one: Peak brightness — 100.00% more. 2000 nits vs 1000 nits.
Pick the Venu 4 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery life. The single most decisive one: Battery life — 1366.67% more. 264 h vs 18 h.
Both ship with comparable ecg, spo2, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Apple - Watch Series 10 (46mm) or Garmin - Venu 4?
Apple - Watch Series 10 (46mm) leads the current Mars Score by 3.3 points.The more useful decision is the trade-off behind that result: compare display size, battery life against the way you will actually use the product.
Choose Apple - Watch Series 10 (46mm) if…
Apple - Watch Series 10 (46mm) has the measurable edge on peak brightness nits, display size in, weight g.
Choose Garmin - Venu 4 if…
Garmin - Venu 4 has the measurable edge on battery life h.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Apple - Watch Series 10 (46mm) wins
- ▲Peak brightness — 100.00% more. 2000 nits vs 1000 nits.
- ▲Display size — 45.71% more. 2.04 " vs 1.4 ".
- ▲Weight — 8.60 g less. 36.4 vs 45.
- ▲Has Cellular.
Why Garmin - Venu 4 wins
- ▲Battery life — 1366.67% more. 264 h vs 18 h.
Spec comparison
Design
| Spec | Apple - Watch Series 10 (46mm) | Garmin - Venu 4 |
|---|---|---|
| Case size | 46 mmlead | 45 mm |
| Weight | 36.4 glead | 45 g |
| Case material | aluminum | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Apple - Watch Series 10 (46mm) | Garmin - Venu 4 |
|---|---|---|
| Display size | 2.04 "lead | 1.4 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 2000 nitslead | 1000 nits |
Health & Fitness
| Spec | Apple - Watch Series 10 (46mm) | Garmin - Venu 4 |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | false | false |
Battery & Connectivity
| Spec | Apple - Watch Series 10 (46mm) | Garmin - Venu 4 |
|---|---|---|
| Battery lifeⓘ | 18 h | 264 hlead |
| GPS | true | true |
| Cellular | truelead | false |
| NFC | true | true |
| OS | watchOS | Garmin OSlead |
Frequently asked
Which has longer battery life, Watch Series 10 (46mm) or Venu 4?+
Venu 4 lasts 264 hours vs 18 hours.
Do Watch Series 10 (46mm) or Venu 4 support ECG?+
Both support ECG.
Which has cellular, Watch Series 10 (46mm) or Venu 4?+
Watch Series 10 (46mm) offers a cellular variant; Venu 4 is Wi-Fi only.