Ask iDevice

Amazfit T-Rex Dual Solar vs Garmin Venu 4: which should you buy?

Answer worked out Oct. 11, 2026. Prices and the answer are worked out again every few minutes.

The answer

Amazfit T-Rex Dual Solar

FINE TO BUY

No reason to wait, and no deal to chase.

The Amazfit T-Rex Dual Solar is new, and its best price today is $649.99 at Amazfit. For a model this new, iDevice's advice is to buy it if you want it, not to wait for a drop.

$649.99 at Amazfit

Garmin Venu 4

NO RUSH

No need to rush.

$549.99 at Garmin matches its lowest price in the last 90 days, and iDevice's price verdict still reads No rush.

$549.99 at Garmin

Better purchase today: Amazfit T-Rex Dual Solar. It reads FINE TO BUY against NO RUSH for Garmin Venu 4.

Better product: No clear winner. Pick by what each one is best for.

The Amazfit T-Rex Dual Solar costs $100 more than the Garmin Venu 4 today ($649.99 at Amazfit against $549.99 at Garmin).

Key differences

  • Water resistance: 10 ATM vs 5 ATMAmazfit T-Rex Dual Solar: 10 ATM (10 ATM; freediving to 50 m and recreational scuba) ConfirmedSourceGarmin Venu 4: 5 ATM (5 ATM (swim)) ConfirmedSource

From each maker's own specifications. A point is listed only when both makers state a figure and the two differ; a point either maker does not state is left out, never guessed.

Who should buy which

  • Pick the Amazfit T-Rex Dual Solar for battery life, outdoor adventure and navigation.Battery life: Up to 25 days, and up to 51 days with daily sun on the back. ConfirmedSourceOutdoor adventure: Solar charging, a flashlight and a cold mode for trips far from a plug. ConfirmedSourceNavigation: Plan routes on the watch from preloaded maps. ConfirmedSource

From what each Guide names the product best for. This does not rank the two.

Side by side

What is comparedAmazfit T-Rex Dual SolarGarmin Venu 4
Best price today$649.99 at AmazfitPrice checked Oct. 11, 2026$549.99 at GarminPrice checked Oct. 11, 2026
Lowest in 90 days$649.99Seen Oct. 2, 2026$549.99Seen Oct. 10, 2026
Works withConfirmed Works with Amazfit T-Rex Dual Solar: iPhone: Works. Android: Works.Source: AmazfitConfirmed Works with Garmin Venu 4: iPhone: Works. Android: Works.Source: Garmin
TimingOur read No newer model is expected in the next 90 days.Source: iDevice GuideOur read No newer model is expected in the next 90 days.Source: iDevice Guide
PriceOur read The lowest price checked in the last 90 days is $649.99 (Oct 2, 2026).Source: iDevice GuideOur read Nothing's forcing the decision right now, so there's no need to rush. The lowest price checked in the last 90 days is $549.99 (Oct 10, 2026).Source: iDevice Guide
What could change it
  • If a newer model is announced or reported inside 90 days, the answer becomes Wait.
Nothing listed
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