4G Super AM-OLED Smartphone

Xiaomi Redmi K20 Pro Prime Standard Edition Dual SIM TD-LTE CN 512GB M1903F11A (Xiaomi Raphael)

Xiaomi · Announced May 2019

About Xiaomi Redmi K20 Pro

The Xiaomi Redmi K20 Pro presents a sleek silhouette, measuring just under 157 mm tall and 74 mm wide with a thickness of 8.8 mm, and it feels substantial yet manageable at 191 grams. Its front is dominated by a vivid AM‑OLED panel that stretches 6.39 inches diagonally, delivering a sharp 1080 by 2340 pixel resolution that brings colors to life with deep blacks and bright highlights.

Under the hood, the device runs Google Android 9.0 Pie, paired with 6 gigabytes of RAM to keep multitasking smooth and responsive. A 4000 mAh battery sits inside, aiming to provide enough endurance for a full day of typical use, while connectivity is handled through a single SIM slot, keeping the design clean and straightforward.

This variant

This Prime Standard Edition variant upgrades the RAM to 8 GB and equips the device with 512 GB of internal storage, whereas the base Redmi K20 Pro ships with 6 GB of RAM and does not specify a storage capacity in its description.

Relative to the other listed K20 Pro models, it is the only Prime Standard Edition that pairs 512 GB storage with 8 GB RAM, differing from the Premium Edition’s 12 GB RAM at the same 512 GB size and from the Indian‑market versions that cap storage at 256 GB or less and use either 6 GB or 8 GB RAM.

Technical Specifications

Display

Size

6.39 inch

Type

Super AM-OLED

Resolution

1080x2340

Color depth

30-bit, 10-bit HDR

Screen-to-body

86.1%

Active area

68.01 × 147.36 mm

Touch

Capacitive multi-touch sensing screen, 10-point

Performance

Processor

Snapdragon 855+

CPU

Octa-core, up to 3 GHz

GPU

Qualcomm Adreno 640

Process

7 nm

Platform

Google Android

Memory

RAM

8 GiB

Battery

Capacity

4000 mAh

Type

Lithium-ion polymer (LiPo)

Energy

15.4 Wh

Voltage

3.85 V

Cameras

Main

8000×6000 · 2× optical visibility

Ultrawide

12 mm visibility

Telephoto

53 mm visibility

Front

5184×3840 visibility

Dimensions

Size

74.3 × 156.7 × 8.8 mm

Weight

191 g

Connectivity

Wi-Fi

Wi-Fi 5

Wi-Fi services

Wi-Fi Direct, Wi-Fi Tethering, WiDi, Wi-Fi Calling (VoWiFi)

Bluetooth profiles

A2DP, A2DP with aptX codec, A2DP with aptX HD codec, AVRCP, GAVDP, HID, HSP, MAP, OPP, PAN, PBA

USB

USB Type-C reversible

USB services

USB charging, USB fast charging, USB Host, USB On-The-Go 1.3, USB On-The-Go 2.0, USB Power Delivery

NFC

NFC A, NFC B

GPS

GPS, GLONASS, Galileo, BeiDou, QZSS

GPS services

Simultaneous GPS (S-GPS), Assisted GPS, Kétfrekvenciás GPS, Geotagging, QuickGPS, QZSS

FM radio

Yes

LTE · 5 bandsTD-LTE · 6 bandsUMTS · 4 bandsGSM · 4 bandsCDMA · 1 bandsTD-SCDMA · 2 bands

All LTE bands (5)

LTE 1800 MHz (Band 3)
LTE 2100 MHz (Band 1)
LTE 2600 MHz (Band 7)
LTE 850 MHz (Band 5)
LTE 900 MHz (Band 8)

All TD-LTE bands (6)

TD-LTE 1900 MHz (Band 39)
TD-LTE 2000 MHz (Band XXXIV)
TD-LTE 2300 MHz (Band XL)
TD-LTE 2500 MHz (Band XLI)
TD-LTE 2500 MHz (Band XLI) bands
TD-LTE 2600 MHz (Band 38)

All UMTS bands (4)

UMTS 1900MHz (Band II, PCS)
UMTS 2100MHz (Band I, IMT)
UMTS 850MHz (Band V, CLR)
UMTS 900MHz (Band VIII)

All GSM bands (4)

GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
GSM 850MHz (B5)
GSM 900MHz (B8)

All CDMA bands (1)

CDMA 800MHz (BC0, 850)

All TD-SCDMA bands (2)

TD-SCDMA 1900 MHz (B39)
TD-SCDMA 2000 MHz (B34)

Audio

Channels

stereo

Output

3.5mm

DAC

24-bit / 192 kHz

Sensors

Accelerometer, Compass, Gyroscope, In-screen fingerprint sensor, Light intensity sensor, Proximity sensor

Features

Fingerprint

Yes (in-screen fingerprint sensor)

SIM

Nano-SIM (4FF) · Dual standby

Carrier

China Telecom Corporation Limited China Unicom Netcom Limited

Markets

Asia (China)

Extras

Haptic touch feedback

Software extras

Voice Command, Navigation software, Augmented Reality (AR), Intelligent personal assistant, Face Recognition

Regulatory

Data status

Final

Model Variants

7 other phones with the same base model: Xiaomi Redmi K20 Pro