Casio G-Shock GBD-H2000 vs Wahoo Elemnt Rival
Casio G-Shock GBD-H2000 (2023, listed at $399) and Wahoo Elemnt Rival (2020, listed at $379) are both sport watches, so the choice comes down to specifics.
Specs last updated · prices are list prices

Casio G-Shock GBD-H2000
True G-Shock toughness with GPS, optical HR and solar-assist charging — bombproof training partner.

Wahoo Elemnt Rival
Triathlete's tool — touchless transition, multisport handoff to Wahoo bike computers, structured workouts.
The verdict
On the numbers we track, Casio G-Shock GBD-H2000 wins on water rating (20ATM vs 5ATM); Wahoo Elemnt Rival wins on battery life (14 days vs 12 days), weight (53 g vs 63 g) and price ($379 vs $399).
Bottom line: on raw specs the Wahoo Elemnt Rival leads 3 to 1, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.
Spec by spec
| Spec | Casio G-Shock GBD-H2000 | Wahoo Elemnt Rival |
|---|---|---|
| Battery (rated) | 12 days | 14 days |
| Weight | 63 g | 53 g |
| List price | $399 | $379 |
| Water rating | 20ATM | 5ATM |
| Tracked features | 2 | 2 |
| Case size | 52 mm | 46 mm |
| Display | MIP | MIP |
| Works with | both iPhone and Android | both iPhone and Android |
| Listed best for | outdoor adventure, running and multisport and triathlon | multisport and triathlon and running |
| Released | 2023 | 2020 |
Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.
Feature overlap
Both have (1)
- built-in GPS
Only Casio G-Shock GBD-H2000 (1)
- blood-oxygen (SpO₂)
Only Wahoo Elemnt Rival (1)
- swim tracking
Which one should you pick?
Pick the Casio G-Shock GBD-H2000 if…
- You need blood-oxygen (SpO₂), which the Wahoo Elemnt Rival does not list.
- Your main use is outdoor adventure: it is listed for that and the Wahoo Elemnt Rival is not.
- You might switch phones: it works with both iPhone and Android, the Wahoo Elemnt Rival only works with Android.
- You want the newer model (2023 vs 2020).
- You swim or paddle: 20ATM vs 5ATM.
Skip it if…
- • You have a small wrist (under about 160 mm) — the 52 mm case we list is large (check whether a smaller size is sold).
- • You want a bright, vivid AMOLED screen — this one uses a lower-power display.
Pick the Wahoo Elemnt Rival if…
- You want to spend less: it lists for $20 less.
- You want fewer charges: about 14 days per charge vs 12 days.
- You want a lighter watch: 53 g vs 63 g.
- You need swim tracking, which the Casio G-Shock GBD-H2000 does not list.
- You might switch phones: it works with both iPhone and Android, the Casio G-Shock GBD-H2000 only works with Android.
Skip it if…
- • You have a small wrist (under about 160 mm) — the 46 mm case we list is large (check whether a smaller size is sold).
- • You want a bright, vivid AMOLED screen — this one uses a lower-power display.
Frequently asked questions
Which has better battery life, the Casio G-Shock GBD-H2000 or the Wahoo Elemnt Rival?
The Wahoo Elemnt Rival has the longer rated battery life: about 14 days per charge against 12 days. These are manufacturer ratings; heavy GPS, always-on display and cellular use will cut both.
Which is cheaper, the Casio G-Shock GBD-H2000 or the Wahoo Elemnt Rival?
The Wahoo Elemnt Rival has the lower list price: $379 against $399 in our database. List prices change often, so check Amazon for today's price.
Do the Casio G-Shock GBD-H2000 and Wahoo Elemnt Rival work with iPhone and Android?
Yes, they have the same phone support: both iPhone and Android.
Which is better for swimming, the Casio G-Shock GBD-H2000 or the Wahoo Elemnt Rival?
Casio G-Shock GBD-H2000: 20ATM is suitable for swimming and surface water sports. It is not a dive rating unless the maker says so. Wahoo Elemnt Rival: 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving.
Not sure either is right for you?
Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.
Take the free quiz