Xiaomi Mix 4 vs. Xiaomi Mi Mix 3: A Detailed Showdown

Xiaomi's Mix series has always been about pushing boundaries with innovative designs and cutting-edge technology. The Mi Mix 3, a sliding phone with a unique form factor, was a bold statement. Now, the Mix 4 arrives with a ceramic build and blazing-fast charging. But which phone truly delivers the better experience?
Phones Images

🏆 Quick Verdict

The Xiaomi Mix 4 is the clear winner in terms of performance and charging speed, boasting a Snapdragon 888+ and 120W charging. However, the Mi Mix 3 offers a unique sliding design and surprisingly long battery life, making it a compelling option for those prioritizing novelty and endurance over raw power.

PHONES
Phone Names Xiaomi Mix 4 Xiaomi Mi Mix 3
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - Global
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66 - Global
5G bands1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE
 CDMA2000 1xEV-DO 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 - China
Launch
Announced2021, August 102018, October. Released 2018, November
StatusAvailable. Released 2021, August 16Discontinued
Body
BuildGlass front (Gorilla Glass Victus), ceramic back, aluminum frameGlass front, ceramic back, aluminum frame (7000 series)
Dimensions162.6 x 75.4 x 8 mm (6.40 x 2.97 x 0.31 in)157.9 x 74.7 x 8.5 mm (6.22 x 2.94 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight225 g (7.94 oz)218 g (7.69 oz)
 IP53, dust and splash resistant-
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size6.67 inches, 107.4 cm2 (~87.6% screen-to-body ratio)6.39 inches, 100.2 cm2 (~85.0% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 800 nits (HBM)Super AMOLED, HDR
Platform
CPUOcta-core (1x2.99 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
ChipsetQualcomm SM8350 Snapdragon 888+ 5G (5 nm)Qualcomm SDM845 Snapdragon 845 (10 nm)
GPUAdreno 660Adreno 630
OSAndroid 11, MIUI 12.5Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 10GB RAM
 UFS 3.1UFS 2.1
Main Camera
Dual-12 MP (wide), f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP (telephoto), 1/3.4", 1.0µm
FeaturesLaser AF, color spectrum sensor, Dual-LED flash, HDR, panoramaLED flash, HDR, panorama
Single20 MP, 27mm (wide), 1/3.4", 0.8µm, under display-
Triple108 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-
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+4K@30/60fps, 1080p@30/60fps, 1080p@960fps
Selfie camera
Dual-Manual pop-up 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm Manual pop-up 2 MP, depth sensor
FeaturesHDRLED flash, HDR
Single20 MP, 27mm (wide), 1/3.4", 0.8µm, under display-
Video1080p@30fps1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes
 24-bit/192kHz audio Tuned by Harman Kardon-
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.0, A2DP, aptX HD, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
RadioNoNo
USBUSB Type-C 2.0USB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, compass
 Ultra Wideband (UWB) supportVirtual proximity sensing
Battery
Charging120W wired, PD3.0, QC4, 100% in 15 min 50W wireless, 100% in 28 min18W wired, QC4 10W wireless
TypeLi-Po 4500 mAhLi-Po 3200 mAh, non-removable
Misc
ColorsCeramic Black, Ceramic White, Shadow GrayJade Green, Sapphire Blue, Onyx Black, Forbidden City Blue
Models2106118CM1810E5A
PriceAbout 660 EURAbout 730 EUR
SAR-1.45 W/kg (head)     1.57 W/kg (body)
Tests
Audio quality- Noise -93.2dB / Crosstalk -90.6dB
Battery life- Endurance rating 84h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal), 4.291(sunlight)
Loudspeaker- -29.9 LUFS (Average)
Performance- AnTuTu: 292353 (v7), 352130 (v8) GeekBench: 9065 (v4.4), 2170 (v5.1) GFXBench: 30fps (ES 3.1 onscreen)

Xiaomi Mix 4

  • Blazing-fast 120W charging
  • Powerful Snapdragon 888+ chipset
  • High-resolution 108MP camera
  • Smooth 120Hz display
  • Premium ceramic build

  • Higher price point
  • Larger size may not suit everyone
  • No headphone jack

Xiaomi Mi Mix 3

  • Unique sliding design
  • Excellent battery life (84h endurance)
  • More affordable
  • Compact size

  • Older Snapdragon 845 chipset
  • Slower charging (18W wired, 10W wireless)
  • Lower resolution camera
  • Less premium build quality

Display Comparison

The Mix 4 features a 6.67-inch AMOLED display with a 120Hz refresh rate, offering smoother visuals and vibrant colors. The Mi Mix 3 has a smaller 6.21-inch AMOLED display, but with a similar contrast ratio. While both offer excellent viewing experiences, the Mix 4's higher refresh rate gives it a noticeable edge in responsiveness and fluidity.

Camera Comparison

The Mix 4 boasts a 108MP main camera, offering incredible detail and dynamic range. The Mi Mix 3's camera system is competent, but lacks the resolution and advanced features of the Mix 4. While both phones can capture good photos, the Mix 4 consistently delivers superior image quality, especially in challenging lighting conditions. The Mix 4 also has improved video recording capabilities.

Performance

The Snapdragon 888+ in the Mix 4 provides a significant performance boost over the Mi Mix 3's Snapdragon 845. Expect faster app loading times, smoother multitasking, and significantly better gaming performance on the Mix 4. The Mi Mix 3 is still capable, but it shows its age when compared to the newer chipset.

Battery Life

Despite its smaller battery capacity, the Mi Mix 3 surprisingly achieves an impressive endurance rating of 84 hours. The Mix 4, while having a larger battery, benefits from its incredibly fast 120W charging, allowing it to reach 100% in just 15 minutes. While the Mi Mix 3 lasts longer on a single charge, the Mix 4's charging speed is a game-changer.

Buying Guide

The Xiaomi Mix 4 is ideal for power users, gamers, and anyone who values the latest technology and incredibly fast charging. The Xiaomi Mi Mix 3 is a good choice for those seeking a unique design, excellent battery life, and a more budget-friendly option, even if it means sacrificing some performance.

Frequently Asked Questions

❓ Is the Xiaomi Mix 4 worth the upgrade from the Mi Mix 3?
If you prioritize performance, charging speed, and camera quality, then the Mix 4 is a significant upgrade. However, if you value battery life and a unique design, the Mi Mix 3 remains a viable option, especially at a lower price.
❓ Does the Xiaomi Mix 4 have a headphone jack?
No, the Xiaomi Mix 4 does not have a headphone jack. You'll need to use USB-C headphones or a dongle.