Motorola Razr Ultra 2025 vs Vivo X300 Ultra

Motorola Razr Ultra 2025

Snapdragon 8 Elite + 16GB RAM finally gives a Razr true flagship power and a huge jump over the Razr Plus — but Motorola tunes it conservatively and it heats up under sustained graphics or 4K120 capture.

• The Razr Ultra runs the Snapdragon 8 Elite with 16GB RAM and 512GB storage; in Geekbench 6 it outperforms last year's Snapdragon 8s Gen 3 Razr Plus by a long way.
• In a 3DMark Wildlife Extreme stress test the Razr Ultra scored 6,754 (40.45fps avg) versus the base Razr 2025's 1,026 (6.15fps) — the Snapdragon chip is far more graphics-capable.
• Some phones with the same chip score higher in testing, suggesting Moto dialled performance down to keep the phone cool.
• It doesn't cool especially well — but this isn't a gaming phone and most owners won't push it that hard.
• In casual gaming it holds ~90fps with no major temperature increase, dropping the battery to ~60% after 50 minutes of mixed games.
• Against the Galaxy Z Flip 7, the Razr Ultra trailed on raw Geekbench points but pushed a higher frame-rate ceiling (44–180fps vs the Flip 7's 69–160fps).

Vivo X300 Ultra

Snapdragon 8 Elite Gen 5 plus Vivo's custom imaging silicon delivers flagship benchmark numbers and strong gaming, but the camera-heavy hardware runs hot — sustained stress tests show roughly 60–65% stability and the camera app warms it up fast.

• At the heart is Qualcomm's current flagship Snapdragon 8 Elite Gen 5, supplemented by Vivo's custom VS1 and V3-Plus imaging chips.
• It boots in 16 seconds (vs 21s for the S26 Ultra and 19s for the iPhone 17 Pro Max) and posts an AnTuTu score over 3,800,000, stronger than Samsung.
• In a prolonged stress test it throttled CPU performance to about 60% of peak — in line with other high-powered flagships — and 3DMark stability landed around 63–66%.
• It gets a bit hot after 30–40 minutes of gaming, but with no throttling even past an hour and never uncomfortable to hold; boost mode at max graphics gives around 4 hours of Wuthering Waves on a full charge.
• Native 120fps gaming with smooth/very-high graphics in many titles, with temperature barely crossing 35°C and power draw around 4W in battle-royale modes.

Motorola Razr Ultra 2025

The biggest year-over-year win: a 4,700mAh cell that comfortably lasts all day and dominates the Z Flip 7 in rundowns. Charging is fast (68W wired / 30W wireless) but the in-box charger situation is muddled.

• Over five days of testing, the 4,700mAh battery got through a full day on a single charge with no problem.
• An 18-hour day out in London with heavy camera use, lots of screen-on time and streaming still ended with 15% remaining (~7–8 hours SOT).
• In a controlled battery test the Razr Ultra hit nearly 19 hours in efficiency mode — whatever the 4,700mAh cell and Snapdragon 8 Elite are doing together works strongly in Motorola's favour.
• Versus the Galaxy Z Flip 7 the Razr Ultra lasted 19h32m of video playback to the Flip 7's 8h16m — a clear battery-life win.
• A measured 68W charge took it 0–78% in 30 minutes and a full charge in 45 minutes; another full 0–100% test landed at 49m45s.
• To hit the advertised 68W you need Motorola's proprietary power brick and cable — and the charger isn't reliably in the box.
• A smart battery-protection feature learns your routine and tops up to 100% just before you wake so it doesn't sit idle full — owners report longer battery longevity using it.

Vivo X300 Ultra

Vivo grew the silicon-carbon cell 10% to 6,600mAh while keeping the body the same size. Real-world endurance is strong — ~16h active-use score, ~7h heavy screen-on, 13–14 hour days with charge to spare — and 100W wired refills it in under an hour, with 40W wireless.

• Vivo increased the battery by 10% to 6,600mAh despite the phone being practically the same size on paper.
• In our battery test it earned an active-use score of almost 16 hours; 100W charging took it 0–66% in 30 minutes and a full charge in 46 minutes, plus 40W wireless. A charger is in the box except in Europe.
• On the China version I'm finishing entire 13–14 hour days with 25–30% left; the global version keeps the 6,600mAh cell so battery life should comfortably last 12–13 hours of heavy use.
• Getting nearly 7 hours of screen-on time with very heavy usage from the 6,600mAh silicon-carbon unit, with 100W wired and 40W wireless charging support.
• After a 4-hour heavy-usage simulation the phone still had ~45% battery left, which is solid by today's standards, and 100W wired charging takes about 45 minutes to full.