Xiaomi Mix 4 vs. Mi Mix 2S: A Detailed Flagship Showdown
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🏆 Quick Verdict
The Xiaomi Mix 4 is the clear winner in terms of performance, charging speed, and camera capabilities. However, the Mi Mix 2S offers incredible battery life and remains a surprisingly capable device, especially for budget-conscious buyers. The Mix 4 is for power users; the Mi Mix 2S for those prioritizing longevity.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Mix 4 | Xiaomi Mi Mix 2S |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34, 38, 39, 40, 41 |
| 5G bands | 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6 | - |
| Speed | HSPA, LTE, 5G | HSPA 42.2/5.76 Mbps, LTE (3CA) Cat18 1200/100 Mbps |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE |
| CDMA2000 1xEV-DO | CDMA2000 1xEV-DO | |
| Launch | ||
|---|---|---|
| Announced | 2021, August 10 | 2018, March. Released 2018, April |
| Status | Available. Released 2021, August 16 | Discontinued |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass Victus), ceramic back, aluminum frame | Glass front (Gorilla Glass 4), ceramic back, aluminum frame |
| Dimensions | 162.6 x 75.4 x 8 mm (6.40 x 2.97 x 0.31 in) | 150.9 x 74.9 x 8.1 mm (5.94 x 2.95 x 0.32 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 225 g (7.94 oz) | 191 g (6.74 oz) |
| IP53, dust and splash resistant | - | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Glass 4 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1080 x 2160 pixels, 18:9 ratio (~403 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~87.6% screen-to-body ratio) | 5.99 inches, 92.6 cm2 (~81.9% screen-to-body ratio) |
| Type | AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 800 nits (HBM) | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x2.99 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) | Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver) |
| Chipset | Qualcomm SM8350 Snapdragon 888+ 5G (5 nm) | Qualcomm SDM845 Snapdragon 845 (10 nm) |
| GPU | Adreno 660 | Adreno 630 |
| OS | Android 11, MIUI 12.5 | Android 8.0 (Oreo), upgradable to Android 10, MIUI 12 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM | 64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM |
| UFS 3.1 | UFS 2.1 | |
| Main Camera | ||
|---|---|---|
| Dual | - | 12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP, f/2.4, (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom |
| Features | Laser AF, color spectrum sensor, Dual-LED flash, HDR, panorama | Dual-LED dual-tone flash, HDR, panorama |
| Single | 20 MP, 27mm (wide), 1/3.4", 0.8µm, under display | - |
| Triple | 108 MP, f/1.9, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 8 MP, f/4.1, 120mm (periscope telephoto), PDAF, OIS, 5x optical zoom 13 MP, f/2.2, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm | - |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+ | 4K@30fps, 1080p@30/120fps, 720p@240fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR | - |
| Single | 20 MP, 27mm (wide), 1/3.4", 0.8µm, under display | 5 MP, f/2.0, (wide), 1/4.0", 1.4µm |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes |
| 24-bit/192kHz audio Tuned by Harman Kardon | - | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | 5.0, A2DP, LE |
| Infrared port | Yes | - |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS, GLONASS, BDS |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, compass |
| Ultra Wideband (UWB) support | Virtual proximity sensing | |
| Battery | ||
|---|---|---|
| Charging | 120W wired, PD3.0, QC4, 100% in 15 min 50W wireless, 100% in 28 min | 18W wired, QC3 7.5W wireless (Qi) |
| Type | Li-Po 4500 mAh | Li-Ion 3400 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Ceramic Black, Ceramic White, Shadow Gray | Black, White |
| Models | 2106118C | M1803D5XA |
| Price | About 660 EUR | About 270 EUR |
| SAR | - | 0.54 W/kg (head) 1.59 W/kg (body) |
| Tests | ||
|---|---|---|
| Audio quality | - | Noise -93.0dB / Crosstalk -92.5dB |
| Battery life | - | Endurance rating 59h |
| Loudspeaker | - | Voice 68dB / Noise 70dB / Ring 81dB |
| Performance | - | AnTuTu: 270814 (v7) GeekBench: 9158 (v4.4) GFXBench: 34fps (ES 3.1 onscreen) |
Xiaomi Mix 4
- Blazing-fast 120W charging
- Powerful Snapdragon 888+ chipset
- Excellent 108MP camera
- Vibrant 120Hz AMOLED display
- Modern design with under-display camera
- Under-display camera quality can be improved
- Larger size may not suit everyone
- Potentially higher price
Xiaomi Mi Mix 2S
- Exceptional battery life (59h endurance rating)
- Compact and ergonomic design
- Reliable performance for everyday tasks
- More affordable (especially used)
- Good value for money
- Outdated Snapdragon 845 chipset
- Slower charging speeds
- Lower resolution camera
- 60Hz display feels dated
Display Comparison
The Xiaomi Mix 4 boasts a 6.67-inch AMOLED display with a 120Hz refresh rate, offering vibrant colors and smooth scrolling. The Mi Mix 2S has a 6.01-inch AMOLED display, but with a standard 60Hz refresh rate. The Mix 4's larger size and higher refresh rate provide a noticeably more immersive and fluid experience.
Camera Comparison
The Mix 4 features a triple-camera system with a 108MP main sensor, offering exceptional detail and dynamic range. The Mi Mix 2S has a dual-camera setup with a 12MP main sensor. The Mix 4's camera system is significantly more versatile and capable, especially in low-light conditions.
Performance
The Snapdragon 888+ in the Mix 4 delivers a substantial performance boost over the Mi Mix 2S's Snapdragon 845. Expect significantly faster app loading times, smoother multitasking, and better gaming performance on the Mix 4. The Mix 4's Cortex-X1 core provides a significant single-core performance advantage.
Battery Life
While the Mi Mix 2S has an endurance rating of 59h, the Mix 4's 4800mAh battery, combined with its power-efficient chipset, still provides solid all-day battery life. However, the Mix 4's 120W wired charging and 50W wireless charging are game-changers, allowing for incredibly fast top-ups.
Buying Guide
The Xiaomi Mix 4 is ideal for users who demand the latest technology, lightning-fast charging, and top-tier performance for gaming and demanding apps. The Mi Mix 2S is a great choice for those seeking excellent battery life, a compact design, and a reliable phone without breaking the bank, especially if you can find it at a discounted price.