Realme U1

View Specs

Full Specifications September 3, 2026

Realme · 2018

Realme U1

Name: Realme U1
Brand: Realme

Realme U1 Android smartphone. Announced Nov 2018. Features 6.3″ display, MT6771 Helio P70 chipset, 3500 mAh battery, 64 GB storage, 4 GB RAM, Corning Gorilla Glass 3.

Display 6.3"

Chipset Helio P70

RAM 3/4 GB

Storage 32GB/64GB storage, microSDXC

Camera 13 MP

Battery 3500 mAh

OS Android 8.1, up to Android 9.0, ColorOS 6

Build 168g, 8mm thickness

Launch

Announced 2018, November. Released 2018, December

Status Discontinued

Platform

OS Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6

Chipset Mediatek MT6771 Helio P70 (12 nm)

CPU Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)

GPU Mali-G72 MP3

Display

Type IPS LCD

Size 6.3 inches, 97.4 cm 2 (~83.9% screen-to-body ratio)

Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)

Protection Corning Gorilla Glass 3

Memory

Card slot microSDXC (dedicated slot)

Internal 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM

memoryother eMMC 5.1

Main Camera

Dual 13 MP, f/2.2, AF Auxiliary lens

Features LED flash, HDR, panorama

Video 1080p@30fps, 720p@90fps

Selfie camera

Single 25 MP, f/2.0, 1/2.8", 0.9µm

Features HDR

Video 1080p@30fps

Body

Dimensions 157 x 74 x 8 mm (6.18 x 2.91 x 0.31 in)

Weight 168 g (5.93 oz)

Build Glass front (Gorilla Glass 3), plastic back, plastic frame

SIM Nano-SIM + Nano-SIM

Battery

Type Li-Ion 3500 mAh, non-removable

Charging 10W wired

Sound

Loudspeaker Yes

3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct

Bluetooth 4.2, A2DP, LE

Positioning GPS, GLONASS

NFC No

Radio FM radio

USB microUSB 2.0, OTG

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, 40, 41

Speed HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps

Features

Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass

Our Tests

Performance AnTuTu: 144436 (v7) GeekBench: 6004 (v4.4) GFXBench: 7.1fps (ES 3.1 onscreen)

Display Contrast ratio: 1830:1 (nominal), 2.815 (sunlight)

Camera Photo / Video

Loudspeaker Voice 68dB / Noise 73dB / Ring 72dB

Audio quality Noise -92.8dB / Crosstalk -93.3dB

Battery (old) Endurance rating 93h

Misc

Colors Ambitious Black, Brave Blue, Fiery Gold

Models RMX1831, RMX1833

In depth

Full specifications

Announced	2018, November. Released 2018, December
Status	Discontinued

OS	Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6
Chipset	Mediatek MT6771 Helio P70 (12 nm)
CPU	Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU	Mali-G72 MP3

Type	IPS LCD
Size	6.3 inches, 97.4 cm 2 (~83.9% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection	Corning Gorilla Glass 3

Card slot	microSDXC (dedicated slot)
Internal	32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
memoryother	eMMC 5.1

Dual	13 MP, f/2.2, AF Auxiliary lens
Features	LED flash, HDR, panorama
Video	1080p@30fps, 720p@90fps

Single	25 MP, f/2.0, 1/2.8", 0.9µm
Features	HDR
Video	1080p@30fps

Dimensions	157 x 74 x 8 mm (6.18 x 2.91 x 0.31 in)
Weight	168 g (5.93 oz)
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM	Nano-SIM + Nano-SIM

Type	Li-Ion 3500 mAh, non-removable
Charging	10W wired

Loudspeaker	Yes
3.5mm jack	Yes

WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth	4.2, A2DP, LE
Positioning	GPS, GLONASS
NFC	No
Radio	FM radio
USB	microUSB 2.0, OTG

Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100
4G bands	1, 3, 5, 8, 38, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps

Sensors	Fingerprint (rear-mounted), accelerometer, proximity, compass

Performance	AnTuTu: 144436 (v7) GeekBench: 6004 (v4.4) GFXBench: 7.1fps (ES 3.1 onscreen)
Display	Contrast ratio: 1830:1 (nominal), 2.815 (sunlight)
Camera	Photo / Video
Loudspeaker	Voice 68dB / Noise 73dB / Ring 72dB
Audio quality	Noise -92.8dB / Crosstalk -93.3dB
Battery (old)	Endurance rating 93h

Colors	Ambitious Black, Brave Blue, Fiery Gold
Models	RMX1831, RMX1833
Price	About 130 EUR

PhoneInsight Benchmark

38.1/100

Entry-level

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

Processor 29.6

Display 66.2

Camera 52.6

Battery 55.2

0.2%Popularity rank

1,677,484 hitsTotal views

Realme U1

Launch

Platform

Display

Memory

Main Camera

Selfie camera

Body

Battery

Sound

Comms

Network

Features

Our Tests

Misc

Full specifications

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