Oppo Find X3 vs Xiaomi Mi 11 Ultra: A Deep Dive into Flagship Performance and Value
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🏆 Quick Verdict
For the average user seeking a well-rounded flagship experience, the Xiaomi Mi 11 Ultra emerges as the stronger contender. Its Snapdragon 888 chipset, coupled with a brighter display and a more versatile camera system, provides a noticeable edge in demanding tasks and content creation, despite the similar endurance ratings.
| PHONES | ||
|---|---|---|
| Phone Names | Oppo Find X3 | Xiaomi Mi 11 Ultra |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - International |
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 - China | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| - | 1, 3, 28, 41, 77, 78, 79 SA/NSA - China | |
| Launch | ||
|---|---|---|
| Announced | 2021, March 11 | 2021, March 29 |
| Status | Available. Released 2021, March 19 | Available. Released 2021, April 02 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass), glass back, aluminum frame | Glass front (Gorilla Glass Victus), ceramic back, aluminum frame |
| Dimensions | 163.6 x 74 x 8.3 mm (6.44 x 2.91 x 0.33 in) | 164.3 x 74.6 x 8.4 mm (6.47 x 2.94 x 0.33 in) |
| SIM | Nano-SIM + eSIM | Nano-SIM + Nano-SIM |
| Weight | 193 g (6.81 oz) | 234 g (8.25 oz) |
| - | IP68 dust/water resistant (up to 1.5m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass | Corning Gorilla Glass Victus |
| Resolution | 1440 x 3216 pixels, 20:9 ratio (~525 ppi density) | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) |
| Size | 6.7 inches, 108.4 cm2 (~89.6% screen-to-body ratio) | 6.81 inches, 112.0 cm2 (~91.4% screen-to-body ratio) |
| Type | LTPO AMOLED, 1B colors, 120Hz, HDR10+, BT.2020, 500 nits (typ), 1300 nits (peak) | AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 900 nits (HBM), 1700 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Adreno 650 | Adreno 660 |
| OS | Android 11, upgradable to Android 13, ColorOS 13 | Android 11, upgradable to Android 13, MIUI 14 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM |
| - | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Color spectrum sensor, LED flash, HDR, panorama | Laser AF, color spectrum sensor, Dual-LED flash, HDR, panorama, 1.1” AMOLED selfie display |
| Quad | 50 MP, f/1.8, 26mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 13 MP, f/2.4, 52mm (telephoto), 1/3.4", 1.0µm, 2x optical zoom, PDAF 50 MP, f/2.2, 16mm, 110˚ (ultrawide), 1/1.56", 1.0µm, multi-directional PDAF 3 MP, f/3.0, (microscope), AF, ring flash, 60x magnification | - |
| Single | - | 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm |
| Triple | - | 50 MP, f/2.0, 24mm (wide), 1/1.12", 1.4µm, dual pixel PDAF, OIS 48 MP, f/4.1, 120mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 5x optical zoom 48 MP, f/2.2, 12mm, 128˚ (ultrawide), 1/2.0", 0.8µm, PDAF |
| Video | 4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+ rec. |
| Selfie camera | ||
|---|---|---|
| Features | Panorama | HDR, panorama |
| Single | 32 MP, f/2.4, 26mm (wide), 1/2.8", 0.8µm | 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm |
| Video | 1080p@30fps | 1080p@30/60fps, 720p@120fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 3.5mm jack | - | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| - | 24-bit/192kHz audio Tuned by Harman Kardon | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | 5.2, A2DP, LE, aptX HD, aptX Adaptive |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C 3.1, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, DLNA |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass |
| - | Virtual proximity sensing | |
| Battery | ||
|---|---|---|
| Charging | 65W wired, PD, 40% in 10 min 30W wireless, 100% in 80 min 10W reverse wireless | 67W wired, PD3.0, QC4, 100% in 36 min 67W wireless, 100% in 39 min 10W reverse wireless |
| Type | Li-Po 4500 mAh | Li-Po 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Gloss Black, Blue, White | Ceramic White (Cosmic White), Ceramic Black (Cosmic Black) |
| Models | PEDM00 | M2102K1G, M2102K1C |
| Price | About 600 EUR | About 1500 EUR |
| SAR | - | 1.08 W/kg (head) 0.81 W/kg (body) |
| SAR EU | - | 0.55 W/kg (head) 0.99 W/kg (body) |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 95h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -24.3 LUFS (Very good) |
| Performance | - | AnTuTu: 688720 (v8) GeekBench: 3191 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
Oppo Find X3
- Sleek and refined design
- Excellent display quality
- Balanced performance for everyday tasks
- Less powerful chipset than the Mi 11 Ultra
- Slower charging speeds
Xiaomi Mi 11 Ultra
- Superior camera performance
- Brighter display for outdoor use
- Faster wired and wireless charging
- Larger and heavier form factor
- Can run hotter under sustained load
Display Comparison
The Xiaomi Mi 11 Ultra boasts a significantly brighter display, peaking at 943 nits measured, compared to an unspecified peak brightness for the Oppo Find X3. This translates to superior visibility under direct sunlight. While both likely utilize AMOLED panels, the Mi 11 Ultra’s infinite contrast ratio suggests a more aggressive dynamic contrast implementation. The Find X3’s display quality is still excellent, but the Mi 11 Ultra offers a more impactful visual experience, particularly for HDR content. Bezels are comparable, but the Mi 11 Ultra’s larger size allows for a more immersive viewing experience.
Camera Comparison
Both phones excel in photography, but the Mi 11 Ultra takes the lead with its more advanced camera system. While both are described as having 'Photo / Video' capabilities, the Mi 11 Ultra’s larger main sensor (spec not provided, but known to be 50MP) and sophisticated image processing algorithms deliver superior detail and dynamic range. The Mi 11 Ultra’s OIS system is also likely more robust, resulting in sharper images and smoother videos. The Find X3’s camera is still capable, but it lacks the sheer photographic prowess of the Mi 11 Ultra. The inclusion of a 2MP macro camera on either device is largely inconsequential.
Performance
The core difference lies in the chipsets: the Oppo Find X3 utilizes the Snapdragon 870 5G (7nm), while the Xiaomi Mi 11 Ultra features the Snapdragon 888 5G (5nm). The 5nm process of the 888 offers improved power efficiency and thermal performance compared to the 870’s 7nm node. The 888’s Cortex-X1 prime core (2.84 GHz) provides a performance boost over the 870’s Kryo 585 (3.2 GHz), especially in single-threaded tasks. While the 870 is no slouch, the 888 delivers a more responsive experience in demanding games and applications. Both phones feature ample RAM, likely LPDDR5, but the 888’s superior architecture provides a clear advantage in sustained performance.
Battery Life
Both devices achieve an endurance rating of 95 hours, indicating comparable real-world battery life. However, the charging speeds differ significantly. The Mi 11 Ultra supports 67W wired charging, achieving a full charge in just 36 minutes, while the Find X3’s 65W wired charging takes 10 minutes to reach 40% and a full charge is not specified. The Mi 11 Ultra also boasts faster 67W wireless charging (39 minutes to full) compared to the Find X3’s 30W wireless charging (80 minutes to full). This makes the Mi 11 Ultra more convenient for users who frequently top up their battery.
Buying Guide
Buy the Oppo Find X3 if you prioritize a more refined, balanced experience with a focus on a vibrant display and a slightly more manageable form factor. It's ideal for users who value aesthetics and don't necessarily need the absolute peak performance. Buy the Xiaomi Mi 11 Ultra if you demand the best possible camera performance, a brighter screen for outdoor visibility, and are willing to accept a larger, heavier device for the added power of the Snapdragon 888.