Home Phone comparison Realme C51 and Realme 15T - Which is better?

Realme C51 vs Realme 15T

44 out 100
Realme C51
VS
66 out 100
Realme 15T
Realme C51
Realme 15T

Compared 2 smartphones : Realme C51 Manufactured in August, 2023, with display 6.74 with chipsetUnisoc Tiger T612, vs Realme 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 6400 Max. 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 C51
  • Larger display: 6.74in
Reasons to choose Realme 15T
  • Higher pixel density: 401ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 181g vs 186g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port

Versions

Available versions and configurations
Memory Options - 3/64 GB
- 4/64 GB
- 4/128 GB
- 6/256 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Realme C51 and Realme 15T
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
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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 C51
vs
Realme 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.74 in 6.57 in
Resolution 720x1600 pixels 1080x2372 pixels
Aspect ratio 20:9 20:9
Pixel density 260 ppi 401 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 560 nits 4000 nits
HDR support No No
Touch Sampling Rate 180 Hz 240 Hz
Screen-to-body ratio 85.6 % 87.6 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 167.2 mm (6.58 in) 158.36 mm (6.23 in)
Width 76.7 mm (3.02 in) 75.19 mm (2.96 in)
Thickness 7.99 mm (0.31 in) 7.79 mm (0.31 in)
Weight 186 g (6.56 oz) 181 g (6.38 oz)
Water resistance No IP69
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Green		 - Silver
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Realme C51
85.6 %
Realme 15T
87.6 %

Performance

Testing Realme C51 and Realme 15T In benchmarks
Processor
Chipset Unisoc Tiger T612 MediaTek Dimensity 6400 Max
Max Frequency 1800 MHz 2500 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor n/a Yes
Graphics Mali-G57 MP1 Mali-G57 MP2
GPU Cores 32 64
GPU Frequency 614 MHz 1072 MHz
FLOPS 78.6 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme C51
415
Realme 15T
808
Geekbench 6 (Multi-Core)
Realme C51
1476
Realme 15T
2046
Geekbench 6 (Single-Core)415808
Geekbench 6 (Multi-Core)14762046
Geekbench Compute (GPU)n/a1424
Sources: Geekbench v6 [Realme C51], [Realme 15T]
AnTuTu 10
AnTuTu 10
Realme C51
244837
Realme 15T
605158
CPU85532223513
GPU2331048052
Memory66023167188
UX69972166405
NanoReview Score244837605158

Memory

RAM
RAM Size 4 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeeMMC 5.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 13 Android 15
UI Skin Realme UI T Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 33 W 60 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 28 min) Yes
Full Charge Time 1:12 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 30 fps (480p) 120 fps (720p)
Lenses count Standard: 50 MP
Depth: 0.08 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length27 mm27 mm
SensorSamsung S5KJN1Omnivision OV50D40 Light Hunter 400
Sensor size1/2.761/2.88
Pixel size0.64 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical

Front camera

Matrix 5 MP 50 MP
Photo resolution 3264x2448 pixels 8192x6144 pixels
Aperture f/2.2 f/1.8
Focal length 28 mm 27 mm
Sensor Samsung S5K5E9 Omnivision OV50D40 Light Hunter 400
Sensor size 1/5 1/2.88
Pixel size 1.12 μm 0.61 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 720p at 30 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
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 5.3
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 n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Varies by region
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 1/5/8WCDMA 1/5/8
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)LTE (B1/B3/B5/B8/B40/B41)
LTE category7n/a
5G SupportNoYes

Sound

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

Other

Class Budget Mid-range
Announced July, 2023 yr September, 2025 yr
Release Date August, 2023 yr September, 2025 yr
Launch Price ($) 160 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Accelerometer
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W Yes, 60 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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