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Realme X3
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Phone Insight
Full Specifications October 21, 2026
Realme X3 Android 10
Realme · 2020

Realme X3

Realme X3 Android smartphone. Announced Jun 2020. Features 6.6″ display, Snapdragon 855+ chipset, 4200 mAh battery, 128 GB storage, 8 GB RAM, Corning Gorilla Glass 5.

Display 6.6"
Chipset Snapdragon 855+
RAM 6/8 GB
Storage 128GB storage, no card slot
Camera 64 MP
Battery 4200 mAh
OS Android 10, up to Android 11, Realme UI 2.0
Build 202g, 8.9mm thickness

Launch

Announced 2020, June 25. Released 2020, June 30
Status Discontinued

Platform

OS Android 10, upgradable to Android 11, Realme UI 2.0
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 640 (700 MHz)

Display

Type IPS LCD, 120Hz
Size 6.6 inches, 105.2 cm 2 (~84.7% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density)
Protection Corning Gorilla Glass 5

Memory

Card slot No
Internal 128GB 6GB RAM, 128GB 8GB RAM
memoryother UFS 3.0

Main Camera

Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.5, 51mm (telephoto), PDAF, 2x optical zoom 8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Features LED flash, HDR, panorama
Video 4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS

Selfie camera

Dual 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.2, 105˚ (ultrawide), 1/4.0", 1.12µm
Features Panorama
Video 1080p@30fps, gyro-EIS

Body

Dimensions 163.8 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in)
Weight 202 g (7.13 oz)
Build Glass front (Gorilla Glass 5), glass back, plastic frame
SIM Nano-SIM + Nano-SIM

Battery

Type 4200 mAh
Charging 30W wired, 100% in 55 min

Sound

Loudspeaker Yes
3.5mm jack No
optionalother 24-bit/192kHz Hi-Res audio

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
NFC No
Radio No
USB USB Type-C 2.0

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 38, 39, 40, 41
Speed HSPA, LTE

Features

Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Misc

Colors Glacier Blue, Arctic White
Models RMX2142, RMX2081, RMX2085, RMX2083
Phone Insight phoneinsight.org/ Printed October 21, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/realme-x3/

In depth

Full specifications

Announced 2020, June 25. Released 2020, June 30
Status Discontinued
OS Android 10, upgradable to Android 11, Realme UI 2.0
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 640 (700 MHz)
Type IPS LCD, 120Hz
Size 6.6 inches, 105.2 cm 2 (~84.7% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density)
Protection Corning Gorilla Glass 5
Card slot No
Internal 128GB 6GB RAM, 128GB 8GB RAM
memoryother UFS 3.0
Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.5, 51mm (telephoto), PDAF, 2x optical zoom 8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Features LED flash, HDR, panorama
Video 4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS
Dual 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.2, 105˚ (ultrawide), 1/4.0", 1.12µm
Features Panorama
Video 1080p@30fps, gyro-EIS
Dimensions 163.8 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in)
Weight 202 g (7.13 oz)
Build Glass front (Gorilla Glass 5), glass back, plastic frame
SIM Nano-SIM + Nano-SIM
Type 4200 mAh
Charging 30W wired, 100% in 55 min
Loudspeaker Yes
3.5mm jack No
optionalother 24-bit/192kHz Hi-Res audio
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
NFC No
Radio No
USB USB Type-C 2.0
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 38, 39, 40, 41
Speed HSPA, LTE
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Colors Glacier Blue, Arctic White
Models RMX2142, RMX2081, RMX2085, RMX2083
Price About 290 EUR
PhoneInsight Benchmark
66/100
Upper Mid-range

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 62
Display 77.9
Camera 77.8
Battery 70.2
0.2%Popularity rank
1,454,753 hitsTotal views
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