Home Phone comparison Realme 12x 5G and Realme 15 5G - Which is better?

Realme 12x 5G vs Realme 15 5G

51 out 100
Realme 12x 5G
VS
70 out 100
Realme 15 5G
Realme 12x 5G
Realme 15 5G

Compared 2 smartphones : Realme 12x 5G Manufactured in April, 2024, with display 6.72 with chipsetMediaTek Dimensity 6100 Plus, vs Realme 15 5G, Manufactured in July, 2025 with chipsetMediaTek Dimensity 7300 Plus. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Realme 12x 5G
  • Supports Dolby Atmos
Reasons to choose Realme 15 5G
  • Larger display: 6.8in
  • Higher pixel density: 453ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 187g vs 190g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Infrared port

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 6/128 GB
- 8/128 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Realme 12x 5G and Realme 15 5G
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Realme 12x 5G
vs
Realme 15 5G

Display

Display quality comparison
Type IPS LCD OLED
Size 6.72 in 6.8 in
Resolution 1604x720 pixels 1280x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 262 ppi 453 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 625 nits 1800 nits
HDR support No Yes, HDR10+
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 86.5 % 91.9 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 162.27 mm (6.39 in)
Width 76.1 mm (3 in) 76.16 mm (3 in)
Thickness 7.69 mm (0.3 in) 7.66 mm (0.3 in)
Weight 190 g (6.7 oz) 187 g (6.6 oz)
Water resistance IP54 IP68
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Green
- Purple		 - Silver
- Green
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Realme 12x 5G
86.5 %
Realme 15 5G
91.9 %

Performance

Testing Realme 12x 5G and Realme 15 5G In benchmarks
Processor
Chipset MediaTek Dimensity 6100 Plus MediaTek Dimensity 7300 Plus
Max Frequency 2200 MHz 2600 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)		 - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)
Process TSMC TSMC
Transistor Size 6 nm 4 nm
Neural Processor Yes MediaTek APU 655
Graphics Mali-G57 MP2 Mali-G615 MP2
GPU Cores 128 256
GPU Frequency 950 MHz 1047 MHz
FLOPS 243.2 GFLOPS 536.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 12x 5G
732
Realme 15 5G
1014
Geekbench 6 (Multi-Core)
Realme 12x 5G
1950
Realme 15 5G
2916
Geekbench 6 (Single-Core)7321014
Geekbench 6 (Multi-Core)19502916
Geekbench Compute (GPU)n/a2497
Sources: Geekbench v6 [Realme 15 5G]
AnTuTu 10
AnTuTu 10
Realme 12x 5G
392912
Realme 15 5G
728221
CPU132053212437
GPU62257149032
Memory88216185085
UX110386181667
NanoReview Score392912728221

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 8 GB		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardMicroSDNo

Software

OS Android 14 Android 15
UI Skin Realme UI 5.0 Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 15 W 80 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (30% in 30 min) Yes
Full Charge Time 2:15 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) n/a
Wide-angle lens n/a 112 °
Lenses count Standard: 50 MP
Depth: 2 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length24 mm24 mm
Sensorn/aSony IMX896
Sensor size1/2.761/2
Pixel size0.64 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a16 mm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture f/2.0 n/a
Focal length 26 mm n/a
Sensor n/a CMOS
Autofocus No n/a
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region No
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850/900/1800MHz
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA 1/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B38/B39/B40/B41/B66)LTE (B1/B3/B5/B8/B40/B41)
LTE category18n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes n/a

Other

Class Mid-range Mid-range
Announced April, 2024 yr July, 2025 yr
Release Date April, 2024 yr July, 2025 yr
Launch Price ($) 220 n/a
MSRP ($) n/a 280
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 15 W Yes, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme 15 5G the clear winner in this comparison.

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