Phone Comparison - Oppo Reno4 Z 5G vs Realme 8 5G vs Xiaomi Redmi A3x

general General Info

Manufacturer Oppo Realme Xiaomi
Announced 2020, September 29 2021, April 22 May 2024
Status Coming soon. Exp. release 2020, October Coming soon. Exp. release 2021, May Available - May 2024
Colors Black, White, Pink Supersonic Blue, Supersonic Black Midnight Black, Moonlight White, Aurora Green
Form Factor Candybar Candybar Candybar
Dimension 163.8 x 75.5 x 8.1 mm
(6.45 x 2.97 x 0.32 in)
162.5 x 74.8 x 8.5 mm
(6.4 x 2.94 x 0.33 in)
168.4 x 76.3 x 8.3
(6.63 x 3 x 0.33)
Weight 184 g (6.49 oz) 185 g (6.53 oz) -
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 LTE
5G Network 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA -
Messaging
Build Features - Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor

hardware Hardware and OS

OS Android 10 Android 11 Android 14
User Interface ColorOS 7.1 Realme UI 2.0 MIUI
Processor Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), MediaTek MT6873V Dimensity 800 5G (7 nm) Octa-core (4x2.2 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), MediaTek MT6833 Dimensity 700 5G (7 nm) Octa-core, Unisoc T603
GPU Mali-G57MP4 Mali-G57 MC2 -
RAM 8 GB 8 GB 3 GB
Internal Memory 128 GB 128 GB 64 GB
External Memory No microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type LTPS IPS LCD Capacitive Touchscreen
120Hz refresh rate
480 nits typ. value (advertised)
FHD+ IPS LCD Screen
90Hz Refresh Rate
480 nits (typ), 600 nits
HD+ IPS LCD Screen
90Hz Refresh Rate, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 6.57 inches 6.5 inches 6.71 inches
Resolution 1080 x 2400 pixels (401 ppi) 1080 x 2400 pixels (405 ppi) 720 x 1650 pixels (268 ppi)
Screen-to-Body Ratio 84.09% 83.88% 83.05%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Unspecified Unspecified FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP + 2 MP 48 MP + 2 MP + 2 MP 8 MP + 0.08 MP
Flash LED Flash LED Flash LED Flash
Features 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
48 MP, f/1.8, 26mm (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, Panorama
8 MP, f/2.0, (wide)
0.08 MP (auxiliary lens)
HDR
Video 4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps 1080p@30fps
Front Camera 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
2 MP, f/2.4, (depth)
HDR
1080p@30 [Similar]
16 MP, f/2.1, 26mm (wide)
HDR
1080p@30fps [Similar]
5 MP, f/2.2, (wide)
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/11.5 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA, LTE
Bluetooth 5.1, A2DP, LE, aptX HD 5.1, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Yes
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go USB Type-C
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM (UFS 2.1) 128 GB, 8 GB RAM or 128 GB, 4 GB RAM UFS 2.1 64 GB, 3 GB RAM eMMC5.1
Expandable Storage No microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor not present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor not present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 4000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -