Xiaomi Mix 4 vs. Mi Mix 2: A Generational Leap?
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🏆 Quick Verdict
The Xiaomi Mix 4 is the clear winner, boasting vastly superior performance, charging speeds, and camera capabilities. However, the Mi Mix 2 remains a surprisingly capable device, especially for budget-conscious users seeking long battery life and a unique design. The Mix 4's price is a significant factor.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Mix 4 | Xiaomi Mi Mix 2 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 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, LTE |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE |
| CDMA2000 1xEV-DO | CDMA2000 1xEV-DO | |
| Launch | ||
|---|---|---|
| Announced | 2021, August 10 | 2017, September. Released 2017, September |
| 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 frameGlass front (Gorilla Glass 4), ceramic back, ceramic frame - 128/8 GB model |
| Dimensions | 162.6 x 75.4 x 8 mm (6.40 x 2.97 x 0.31 in) | 151.8 x 75.5 x 7.7 mm (5.98 x 2.97 x 0.30 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 225 g (7.94 oz) | 185 g (6.53 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 (~80.8% 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 (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) |
| Chipset | Qualcomm SM8350 Snapdragon 888+ 5G (5 nm) | Qualcomm MSM8998 Snapdragon 835 (10 nm) |
| GPU | Adreno 660 | Adreno 540 |
| OS | Android 11, MIUI 12.5 | Android 7.1 (Nougat), planned upgrade 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, 128GB 8GB RAM, 256GB 6GB RAM |
| UFS 3.1 | eMMC 5.1 | |
| Main Camera | ||
|---|---|---|
| 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 | 12 MP, f/2.0, 1/2.9", 1.25µm, PDAF, 4-axis OIS |
| 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@30fps, 720p@120fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR | - |
| Single | 20 MP, 27mm (wide), 1/3.4", 0.8µm, under display | 5 MP, f/2.0 |
| 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 |
| 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, barometer |
| 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 |
| Type | Li-Po 4500 mAh | Li-Ion 3400 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Ceramic Black, Ceramic White, Shadow Gray | Black, White |
| Models | 2106118C | MDE5 |
| Price | About 660 EUR | About 410 EUR |
| SAR | - | 0.39 W/kg (head) 1.77 W/kg (body) |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 65h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: 1287 (nominal), 3.19 (sunlight) |
| Loudspeaker | - | Voice 67dB / Noise 71dB / Ring 82dB |
| Performance | - | GeekBench: 6234 (v4.4) GFXBench: 24fps (ES 3.1 onscreen) |
Xiaomi Mix 4
- Blazing-fast 120W charging
- Powerful Snapdragon 888+ chipset
- Vibrant AMOLED display with 120Hz
- Improved camera performance
- 5G Connectivity
- Higher price point
- Potentially larger size and weight
- No headphone jack
Xiaomi Mi Mix 2
- Excellent battery life (65h endurance)
- Compact and ergonomic design
- Affordable price
- Good sunlight visibility
- Outdated Snapdragon 835 chipset
- Slower charging speeds
- Lower camera quality
- IPS LCD display (less vibrant than AMOLED)
Display Comparison
The Mix 4 features a 6.67-inch AMOLED display with a 120Hz refresh rate, offering vibrant colors, deep blacks, and smooth scrolling. The Mi Mix 2 has a 5.99-inch IPS LCD display. While both have impressive contrast ratios (1287 nominal, 3.19 sunlight), the Mix 4's AMOLED technology provides a noticeably better viewing experience, especially in direct sunlight and with HDR content. The higher refresh rate on the Mix 4 also contributes to a more fluid user experience.
Camera Comparison
The Mix 4's camera system is a substantial upgrade. While specific specs are missing, the 888+ chipset enables advanced computational photography features and improved image processing. The Mi Mix 2's camera is decent for its time, but struggles in low-light conditions and lacks the dynamic range of the Mix 4. The Mix 4 likely offers better video recording capabilities as well.
Performance
The Snapdragon 888+ in the Mix 4 delivers a massive performance boost over the Mi Mix 2's Snapdragon 835. Expect significantly faster app loading times, smoother multitasking, and better gaming performance on the Mix 4. The Mix 4's 5nm process also contributes to improved power efficiency despite the increased performance.
Battery Life
The Mi Mix 2 surprisingly holds its own with an endurance rating of 65 hours. However, the Mix 4's 120W wired charging and 50W wireless charging offer unparalleled convenience. While the Mi Mix 2's battery life is impressive, the Mix 4's charging speed allows for incredibly quick top-ups.
Buying Guide
The Xiaomi Mix 4 is ideal for power users, photography enthusiasts, and those who prioritize fast charging and the latest technology. The Mi Mix 2 is a good choice for users on a tighter budget who value long battery life and a compact design, and don't need the absolute latest features.