iQOO 16 vs Xiaomi 15 Ultra
A spec-by-spec comparison of the iQOO 16 and the Xiaomi 15 Ultra, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Our rating | 9/10 | 9/10 |
| Battery | 8,400 mAh | 5,410 mAh |
| Wired charging | 100W | 90W |
| RAM (max) | — | 16 GB |
| Storage (max) | 256 GB | 512 GB |
| Screen size | — | 6.73 in |
| Refresh rate | — | 120 Hz |
| Main camera | 50 MP | 200 MP |
| Weight (lower is lighter) | — | 226 g |
| Released | Sep 2026 | Feb 2025 |
Summary: iQOO 16 is ahead on battery, wired charging. Xiaomi 15 Ultra is ahead on storage (max), main camera.
★ Which should you buy? iQOO 16 and Xiaomi 15 Ultra are evenly matched — either is a safe buy.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Type | LTPO 2.0 AMOLED, 1 Billion Colors, Samsung M16 luminescent material | LTPO AMOLED, 1B colors, 120Hz, Dolby Vision, HDR10+, 3528.5 nits (peak) |
| Size | 6.85-inch to 6.89-inch | 6.73 inches |
| Resolution | 2K (1440 x 3168 pixels or 1440x2560 px), 508 PPI | 1440 x 3200 pixels |
| Refresh Rate | 165Hz | — |
| Peak Brightness | 2,800 nits (global), 10,000 nits (local) | — |
| Features | HDR, DCI-P3, 3300Hz PWM Dimming, DC Dimming, TÜV Rheinland Eye Protection, Q-Flex touch control (500Hz multi-finger, 5000Hz instantaneous touch sampling) | — |
| Protection | — | Xiaomi Shield Glass 2.0 |
Platform
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| OS | Android 17 (based on OriginOS 7 or Funtouch OS 16) | Android 15, HyperOS 2 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 6 (2nm) | Qualcomm Snapdragon 8 Elite (4 nm) |
| CPU | Octa Core | Octa-core (2x Prime Core 4.32 GHz, 6x Performance Core 3.53 GHz) |
| GPU | Adreno (implied by Snapdragon) | Adreno™ GPU |
| Gaming Chip | Dedicated Q4 gaming chip | — |
Memory
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| RAM | 12 GB LPDDR6 (with up to 12 GB virtual RAM) | — |
| Internal Storage | 256 GB UFS 5.0 (expected) | — |
| Card Slot | No | No |
| Internal | — | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
Main Camera
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Triple | 50 MP Primary (f/1.88, 1/1.3" sensor, OIS) + 50 MP Ultra-Wide (1/2.7") + 50 MP Telephoto (f/1.85, 3x optical zoom, 1/1.95" IMX882) | — |
| Features | Vivo Flagship Camera Algorithm | Leica lenses, Dual-LED flash, HDR, panorama, variable aperture |
| Video | 4K @30/60 fps | 8K@24/30fps, 4K@24/30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, OIS, HDR10+, 10-bit video |
| Quad | — | 50 MP, f/1.6, 23mm (wide), 1.0"-type, multi-directional PDAF, Laser AF, OIS; 50 MP, f/2.2, 12mm, 122˚ (ultrawide), AF; 50 MP, f/1.8, 75mm (telephoto), PDAF, OIS, 3.2x optical zoom; 200 MP, f/2.6, 120mm (periscope telephoto), 1/1.4"-type, PDAF, OIS, 5x optical zoom |
Selfie Camera
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Single | 50 MP | 32 MP, f/2.0, 22mm (wide) |
| Features | — | HDR, panorama |
| Video | — | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
Battery
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Type | Si/C Li-Ion, Non-Removable | Li-Po 5410 mAh, non-removable |
| Capacity | 8400 mAh | — |
| Charging | 100W Fast Charging (wired), 40W Wireless Charging | 90W wired, PD3.0, QC4, 100% in 35 min (approx.); 80W wireless, 100% in 49 min (approx.); 10W reverse wireless |
Body
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Dimensions | Not specified | 161.3 x 75.3 x 9.4 mm |
| Weight | Not specified | 226g (Glass fiber/Vegan leather), 229g (Silver Chrome) |
| Build | Not specified | Glass front (Xiaomi Shield Glass 2.0), aluminum frame, glass fiber or vegan leather back |
| Water & Dust Resistance | IP68/IP69 | — |
| SIM | — | Dual SIM (Nano-SIM, dual stand-by) or eSIM |
| IP Rating | — | IP68 dust/water resistant (up to 1.5m for 30 min) |
Comms
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| WLAN | Wi-Fi (likely Wi-Fi 7) | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | Bluetooth (likely 6.0 or higher) | 5.4, A2DP, LE, aptX HD, aptX Adaptive |
| Positioning | GPS, GLONASS, GALILEO, BeiDou, NavIC, GNSS, QZSS | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes |
| Infrared Port | IR Blaster | — |
| USB | USB Type-C, USB 3.2, USB On-The-Go | USB Type-C 3.2, OTG |
| Infrared port | — | Yes |
Launch
| iQOO 16 | Xiaomi 15 Ultra |
|---|
| Announced | September 29, 2026 (China) | 2025, February 27 |
| Status | Upcoming | Available |
Frequently asked questions
Which has the better battery, iQOO 16 or Xiaomi 15 Ultra?
iQOO 16 — 8,400 mAh for the iQOO 16 versus 5,410 mAh for the Xiaomi 15 Ultra.
Which is newer, iQOO 16 or Xiaomi 15 Ultra?
iQOO 16 — Sep 2026 for the iQOO 16 versus Feb 2025 for the Xiaomi 15 Ultra.
Is the iQOO 16 or the Xiaomi 15 Ultra rated higher?
We rate the iQOO 16 9/10 and the Xiaomi 15 Ultra 9/10.
Best phone lists →
