RealmePhone

Available · Released 1 Jul 2024

Realme 12 4G

GSM / HSPA / LTE

Realme 12 4G

At a Glance — Key Specifications

Realme 12 4G is a phone, released 1 Jul 2024. It pairs a 6.67″, OLED, 120 Hz display with the Qualcomm SM6225 Snapdragon 685 (6 nm), a 50 MP wide main camera and a 5,000 mAh battery with 67W wired charging.

Tech Mansion Scores

6.4/10 overall

  • Performance5.2
  • Camera5.7
  • Display7.9
  • Battery7.8
  • Software6.0
  • Audio7.3
  • Call Quality6.2

Scored from this device's verified specifications — categories with no real data are never scored.

Launch timeline

  1. Released1 Jul 2024

Full Specifications

Every detail Tech Mansion has verified for this device, grouped the way people actually read them.

Launch

Launch status
Available
Release date
1 Jul 2024

Platform

OS
Android
OS version
Android 14, Realme UI 5.0
Chipset
Snapdragon 685
Chipset (as published)
Qualcomm SM6225 Snapdragon 685 (6 nm)
CPU
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU
Adreno 610

Memory

Memory variants (RAM/storage)
8 GB RAM + 128 GB · 8 GB RAM + 256 GB · 8 GB RAM + 512 GB
Card slot
Shared / hybrid slot

Display

Display size
6.67″
Resolution
1,080 × 2,400 pixels
Panel type
OLED
Refresh rate
120 Hz
Brightness (peak)
2,000 nits

Battery

Battery capacity
5,000 mAh
Wired charging
67W

Body & build

Dimensions
163 × 75.5 × 7.9 mm
Weight
187 g
Colours
Skyline Silver, Pioneer Green
SIM
Nano-SIM + Nano-SIM

Connectivity

Bluetooth
Bluetooth 5
NFC
Yes
USB
USB Type-C 2.0
Positioning
GPS, GLONASS, GALILEO, BDS, QZSS

Audio

Loudspeaker
Stereo
3.5mm jack
Yes

Features

Sensors
Accelerometer, Gyroscope, Proximity, Compass
Fingerprint
Optical (under-display)

Network

Network technologies
2G, 3G, 4G

Camera

Rear cameras
50 MP wide (f/1.9, OIS, 1/1.95")
Front cameras
16 MP wide (f/2.5)
Video (max)
1080p@30fps

Additional specifications

Network
Bands 2g
GSM 850 / 900 / 1800 / 1900
Bands 3g
HSDPA 850 / 900 / 2100
Bands 4g
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
HSPA, LTE
Display
Size
6.67 inches
Memory
Internal Gb Primary
128
Ram Gb
8
Main Camera
Features
LED flash, HDR, panorama
Video
1080p@30fps, gyro-EIS
Dual Mp
50
Selfie Camera
Single
16 MP, f/2.5, (wide)
Video
1080p@30fps
Comms
Radio
Unspecified
Battery
Capacity Mah
5000
Misc
Models
RMX3871
Price
About 180 EUR

Summary

Get a plain-English overview of what this device offers, generated from its specifications.

Alternatives to consider

vivo V80 FEvivo V80 FE6.4 vs 6.9 overall

vivo V80 FE: Better for Battery life

Realme 12 4Gvivo V80 FE
Launch1 Jul 20243 Nov 2026
ChipsetQualcomm SM6225 Snapdragon 685 (6 nm)Mediatek Dimensity 7400 Turbo (4 nm)
Display6.67″ · OLED · 120 Hz6.59″ · OLED · 120 Hz
Rear camera50 MP wide (f/1.9, OIS, 1/1.95")50 MP wide (f/1.9, OIS, 1/1.56")
Battery5,000 mAh · 67W charging7,000 mAh · 90W charging
Memory8GB / 512GB8GB / 256GB
Full comparison →
Karbonn Rebel ProKarbonn Rebel Pro6.4 vs 5.8 overall

Better display — wins clearly

Realme 12 4GKarbonn Rebel Pro
Launch1 Jul 20244 Nov 2026
ChipsetQualcomm SM6225 Snapdragon 685 (6 nm)MediaTek Helio G81
Display6.67″ · OLED · 120 Hz6.7″ · LCD (other) · 120 Hz
Rear camera50 MP wide (f/1.9, OIS, 1/1.95")64 MP
Battery5,000 mAh · 67W charging6,000 mAh · 20W charging
Memory8GB / 512GB6GB / 128GB
Full comparison →
Xiaomi Redmi M100 ProXiaomi Redmi M100 Pro6.4 vs 7.1 overall

Xiaomi Redmi M100 Pro: Better for Gaming

Realme 12 4GXiaomi Redmi M100 Pro
Launch1 Jul 20242 Nov 2026
ChipsetQualcomm SM6225 Snapdragon 685 (6 nm)Mediatek Dimensity 7300 Ultra (4 nm)
Display6.67″ · OLED · 120 Hz6.67″ · OLED · 120 Hz
Rear camera50 MP wide (f/1.9, OIS, 1/1.95")50 MP wide (f/1.5, OIS, 1/1.96", 0.8µm)
Battery5,000 mAh · 67W charging5,500 mAh · 45W charging
Memory8GB / 512GB12GB / 256GB
Full comparison →
Karbonn RebelKarbonn Rebel6.4 vs 5.7 overall

Better display — wins clearly

Realme 12 4GKarbonn Rebel
Launch1 Jul 20244 Nov 2026
ChipsetQualcomm SM6225 Snapdragon 685 (6 nm)MediaTek Helio G81
Display6.67″ · OLED · 120 Hz6.75″ · LCD (other) · 90 Hz
Rear camera50 MP wide (f/1.9, OIS, 1/1.95")50 MP
Battery5,000 mAh · 67W charging7,000 mAh · 18W charging
Memory8GB / 512GB6GB / 128GB
Full comparison →

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