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Xiaomi 17 Ultra vs Realme 12x 5G

Key Feature Comparison

Xiaomi 17 Ultra

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Realme 12x 5G

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At a Glance

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Octa core (4.6 GHz, Dual core, Oryon + 3.62 GHz, Hexa Core, Oryon)

Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC, Adreno 840

Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Dimensity 6100 Plus, Mali-G57 MC2

6000 mAh

Li-ion, Yes, 90W Fast Charging v3.0

5000 mAh

Li-Polymer, Super VOOC, 45W

17.53 cm (6.9 inch)

416 ppi

17.07 cm (6.7 inch)

392 ppi, FHD

Triple, 50MP + 200MP + 50MP

8k @30 fps, 4k @30/60/120 fps, Full HD @30/60/120/240/480/960/1920 fps, HD @30/120/240/480/960/1920 fps

Dual, 50MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

5G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

17.53 cm (6.9 inch)
17.07 cm (6.7 inch)

Screen Type

AMOLED
IPS LCD

Screen Resolution

1200 x 2608 pixels
1080 x 2400 pixels

Pixel Density

416 ppi
392 ppi

Aspect Ratio

20:09
20:09

Screen Protection

Yes
-

Screen to Body Ratio

92.25%
91.40%

Screen Design

Punch hole
Punch hole

Screen Refresh Rate

120 Hz
120 Hz

Peak Brightness

3500 nits
800 nits

Screen Quality

-
FHD

Phone Variants

16GB 512GB, 16GB 1TB
4GB 128GB, 6GB 128GB, 8GB 128GB

Expandable Storage

No
Yes

RAM Type

LPDDR5X
LPDDR4

Storage Type

UFS 4.1
UFS 2.2

OTG Support

Yes
Yes

Expandable Storage Capacity

-
Yes, 2 TB

Sensors

Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v16
Android v14

GPU

Adreno 840
Mali-G57 MC2

Chipset

Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC
MediaTek Dimensity 6100 Plus

CPU

Octa core (4.6 GHz, Dual core, Oryon + 3.62 GHz, Hexa Core, Oryon)
Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

Clock Speed

4.6 GHz
2.2 GHz

Architecture

64 bit
64 bit

Process Technology

3 nm
6 nm

Custom User Interface

-
Realme UI

Battery Capacity

6000 mAh
5000 mAh

Battery Removable

No
No

Battery Type

Li-ion
Li-Polymer

Charger Type

Yes, 90W Fast Charging v3.0
Super VOOC, 45W

USB Type-C

Yes
Yes

Fast Charging

Yes
Yes

Wireless Charging

Yes, 50W
-

Reverse Wireless Charging

Yes, 10W
-

Charging Time

-
50 % in 30 minutes

Announced On

11-Mar-26
2-Apr-24

Market Status

Available
Available

Brand

Xiaomi
Realme

Price Status

Confirmed
Confirmed

Price

Rs. 139,999
Rs. 11,999

Model Number

-
RMX3998

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

NFC

Yes
No

Network Support

5G
5G

Bluetooth

Yes
Yes

FM Radio

No
No

3.5mm Audio Jack

No
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz 6GHz, MIMO
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

Bluetooth Type

v6.0
v5.3

Audio Jack

USB Type-C
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N28, TDD N38 / N40 / N41 / N48 / N66 / N77 / N78 / N79, 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(b...
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41, 4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 850 / 900 M...

SIM 2 Bands

5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N28, TDD N38 / N40 / N41 / N48 / N66 / N77 / N78 / N79, 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(b...
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41, 4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 850 / 900 M...

Front Video Recording

4k @30/60 fps, Full HD @30/60 fps, HD @30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Setup

Single, 50MP
Single, 8MP

Front Camera 1 Resolution

50 MP
8 MP

Front Camera 1 Type

f/2.2, Primary Camera
f/2.0, Wide Angle, Primary Camera

Front Camera 1 Lens

21 mm focal length, 1/2.87" sensor size
25 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Front Aperture

f/2.2
f/2.0

Front Camera Features

-
Fixed Focus

Front Flash

-
Yes, Screen flash

Weight

218.4 grams
188 grams

Colors

Black, White
Twilight Purple, Woodland Green

Build

Back: Eco Leather, Glass Front
-

Dimensions

162.9 x 77.6 x 8.29 mm
165.6 x 76.1 x 7.69 mm

SAR Value

-
Head: 1.08 W/kg, Body: 0.96 W/kg

Rear Flash

Yes, Dual LED Flash
Yes, LED Flash

Rear Video Recording

8k @30 fps, 4k @30/60/120 fps, Full HD @30/60/120/240/480/960/1920 fps, HD @30/120/240/480/960/1920 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Custom Watermark, Face detection, Touch to focus
10 x Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus

Rear Camera Setup

Triple, 50MP + 200MP + 50MP
Dual, 50MP + 2MP

Rear Camera 1 Resolution

50 MP
50 MP

Rear Camera 1 Type

f/1.67, Primary Camera
f/1.8, Wide Angle (80 degree field-of-view), Primary Camera

Rear Camera 1 Lens

23 mm focal length, 1/1" sensor size, OmniVision OV50X
26 mm focal length, 2.76" sensor size, 0.64 micrometre pixel size

Rear Camera 2 Resolution

200 MP
2 MP

Rear Camera 2 Type

f/2.96, Telephoto Camera
f/2.4

Rear Camera 2 Lens

75 mm focal length, 1/1.4" sensor size
22 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size

Rear Camera 3 Resolution

50 MP
-

Rear Camera 3 Type

f/2.2, Telephoto Ultra-wide Angle Camera
-

Rear Camera 3 Lens

14 mm focal length, 1/2.75" sensor size, Samsung ISOCELL, 0.64micrometer pixel size
-

Rear Aperture

f/1.67
f/1.8

Rear Sensor

-
S5KJN1, CMOS image sensor, ISO-CELL

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

On-Screen
Side

Fingerprint Scanner Type

Ultrasonic
-
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