Realme U1

Specifications

2018, November. Released 2018, December Coming Soon
Realme U1
Display
6.3"
1080x2340 pixels
Camera
13 MP
1080p
RAM & Chipset
3/4 GB RAM
Helio P70
Battery
3500 mAh
10W

Detailed Specifications

Full technical breakdown of Realme U1

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

Launch

Announced
2018, November. Released 2018, December
Status
Discontinued

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

Display

Type
IPS LCD
Size
6.3 inches, 97.4 cm2 (~83.9% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection
Corning Gorilla Glass 3

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

Memory

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

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

Features

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

Battery

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

Misc

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

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

Video Review

Watch the Realme U1 in action

Realme U1 — Complete Review & Specifications 2026

Everything you need to know about the Realme U1 before buying

The smartphone market continues to expand with exciting new releases, and the Realme U1 is one of the devices that has captured the attention of tech enthusiasts and everyday users alike. Whether you are considering purchasing the Realme U1 as your next daily driver or simply want to understand what this device has to offer, this comprehensive review will walk you through every important aspect of its specifications and help you decide if it is the right phone for you. At PhoneSpecs, we provide detailed, accurate specification data so you can make informed purchasing decisions with confidence.

Design and Build Quality of the Realme U1

First impressions matter, and the Realme U1 delivers a design that reflects current smartphone trends. Modern smartphones are expected to combine aesthetics with durability, and the Realme U1 aims to strike that balance. The device features a carefully crafted body that feels comfortable in the hand while maintaining a sleek, contemporary appearance. Build quality is an essential factor when investing in a new phone — you want a device that not only looks premium but can also withstand the rigors of daily use. The Realme U1 incorporates materials and construction techniques designed to provide both visual appeal and structural integrity.

Display and Visual Experience

The display is the component you interact with most on any smartphone, and the Realme U1 comes equipped with a screen designed to deliver an engaging visual experience. Whether you are scrolling through social media, watching streaming content, or playing games, the display quality significantly impacts your overall satisfaction. Key factors include resolution sharpness, color accuracy, brightness levels for outdoor visibility, and refresh rate smoothness. The Realme U1 specification sheet on PhoneSpecs provides the exact display specifications so you can determine if the screen meets your standards.

Camera System and Photography

For many buyers, the camera system is the deciding factor when choosing a new smartphone. Modern smartphone photography uses multi-lens configurations, advanced AI processing, and sophisticated algorithms to produce images that rival dedicated cameras. The Realme U1 camera system is engineered to handle various shooting scenarios — from bright daylight landscapes to challenging low-light environments, from ultra-wide group photos to detailed macro shots. Visit the full specification page on PhoneSpecs to explore the exact camera configuration, sensor details, and supported shooting modes.

Battery Life and Charging Technology

A smartphone is only as good as its battery life — no amount of impressive features matters if your phone dies halfway through the day. The Realme U1 is equipped with a battery designed to keep up with your daily activities. Battery capacity provides a baseline estimate, but real-world performance depends on display efficiency, processor power management, and software optimization. Equally important is the charging technology — modern fast charging can dramatically reduce the time you spend tethered to a charger. Check the battery and charging details on PhoneSpecs.

Is the Realme U1 Worth Buying?

Ultimately, whether the Realme U1 is the right phone for you depends on your individual priorities, usage patterns, and budget. By reviewing the complete specification sheet available here on PhoneSpecs, you can compare every technical detail against competing devices to determine which phone truly offers the best value for your specific needs. Explore our extensive database to discover your perfect smartphone.

Starting Price
About 130 EUR

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