Oppo Realme C55 vs Xiaomi Redmi 15 4G

48 out 100

VS

60 out 100

Compared 2 smartphones : Oppo Realme C55 Manufactured in March, 2023, with display 6.72 with chipsetMediaTek Helio G88, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages

Reasons to choose Oppo Realme C55

Higher pixel density: 392ppi
Lighter design: 189.5g vs 224g
Newer Bluetooth version: 5.2 vs 5

Reasons to choose Xiaomi Redmi 15 4G

Larger display: 6.9in
Higher refresh rate: 144Hz
Higher battery capacity: 7000mAh vs 5000mAh
Infrared port

Versions

Available versions and configurations

Memory Options

- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

- 6/128 GB
- 8/256 GB

Review

Key Specs Oppo Realme C55 and Xiaomi Redmi 15 4G

Display

Color accuracy, sharpness & brightness

Oppo Realme C55

64

Xiaomi Redmi 15 4G

77

Camera

Main & front camera tests

Oppo Realme C55

46

Xiaomi Redmi 15 4G

59

Performance

App & system performance

Oppo Realme C55

23

Xiaomi Redmi 15 4G

27

Games

3D gaming performance

Oppo Realme C55

18

Xiaomi Redmi 15 4G

19

Battery

Battery life, charging speed & type

Oppo Realme C55

69

Xiaomi Redmi 15 4G

92

Connectivity

Connectivity features

Oppo Realme C55

61

Xiaomi Redmi 15 4G

65

NanoReview Score

Overall score by NanoReview

Oppo Realme C55

48

Xiaomi Redmi 15 4G

60

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Function

Importance (Weight)

Display:

Camera:

Performance:

Gaming:

Battery:

Connectivity:

Higher weight means greater impact on NanoReview score.

Display

Display quality comparison

Type	IPS LCD	IPS LCD
Size	6.72 in	6.9 in
Resolution	1080x2400 pixels	1080x2340 pixels
Aspect ratio	20:9	19.5:9
Pixel density	392 ppi	374 ppi
Refresh rate	90 Hz	144 Hz
Adaptive refresh rate	No	Yes
Max brightness	680 nits	n/a
HDR support	No	No
Touch Sampling Rate	180 Hz	n/a
Screen-to-body ratio	86.7 %	83.1 %

Peak brightness (auto)

Oppo Realme C55

655 nits

Xiaomi Redmi 15 4G

n/a

sRGB gamut	100 %	n/a
Response time	21 ms	n/a
Contrast	1471:1	n/a

Sources: NotebookCheck [Oppo Realme C55]

Design & Build

Design and ergonomics comparison

Height	165.6 mm (6.52 in)	171.1 mm (6.74 in)
Width	75.9 mm (2.99 in)	82.1 mm (3.23 in)
Thickness	7.89 mm (0.31 in)	8.6 mm (0.34 in)
Weight	189.5 g (6.68 oz)	224 g (7.9 oz)
Water resistance	No	IP64
Back panel	Plastic	Plastic
Frame	Plastic	Plastic
Colors	- Blue - Green - Yellow	- Black - Gray - Purple
Fingerprint sensor	Yes In-Button	Yes, In-Button

Screen-to-body ratio

Oppo Realme C55

86.7 %

Xiaomi Redmi 15 4G

83.1 %

Performance

Testing Oppo Realme C55 and Xiaomi Redmi 15 4G In benchmarks

Chipset	MediaTek Helio G88	Qualcomm Snapdragon 685
Max Frequency	2000 MHz	2800 MHz
CPU Cores	8 (2 + 6)	8 (4 + 4)
Architecture	- 6/1.8 (Cortex-A55) - 2/2 (Cortex-A75)	- 4/1.9 (Cortex-A53) - 4/2.8 (Cortex-A73)
Process	TSMC	TSMC
Transistor Size	12 nm	6 nm
Neural Processor	MediaTek APU	Hexagon 686
Graphics	Mali-G52 MP2	Adreno 610
GPU Cores	48	128
GPU Frequency	1000 MHz	1260 MHz
FLOPS	96 GFLOPS	322.6 GFLOPS

Geekbench 6 (Single-Core)

Oppo Realme C55

425

Xiaomi Redmi 15 4G

475

Geekbench 6 (Multi-Core)

Oppo Realme C55

1413

Xiaomi Redmi 15 4G

1514

Geekbench 6 (Single-Core)	425	475
Geekbench 6 (Multi-Core)	1413	1514

AnTuTu 10

Oppo Realme C55

274070

Xiaomi Redmi 15 4G

380990

CPU	81734	114885
GPU	41920	57988
Memory	74959	103236
UX	75457	104881
NanoReview Score	274070	380990

3DMark Wild Life

Oppo Realme C55

742

Xiaomi Redmi 15 4G

n/a

Max Surface Temp.	47.8 °C	n/a
Stability	98 %	n/a
Graphics Test	4 fps	n/a
Graphics Score	742	n/a

Sources: 3DMark [Oppo Realme C55]

PCMark 3.0

Oppo Realme C55

8633

Xiaomi Redmi 15 4G

n/a

Writing score	9636	n/a
Web score	7137	n/a
Video editing	6212	n/a
Data manipulation	6028	n/a
NanoReview Score	8633	n/a

Memory

RAM Size	- 6 GB - 8 GB	6 GB
Memory Type	LPDDR4X	LPDDR4X
Memory Frequency	1800 MHz	2133 MHz
Channels	2	2

Storage Capacity	- 128 GB - 256 GB	128 GB
Storage Type	eMMC 5.1	UFS 2.2
Memory Card	MicroSD	MicroSD

Software

OS	Android 13 (Upgradeable to Android 14)	Android 15
OS Size	20 GB	n/a
UI Skin	Realme UI 5.0	HyperOS 2.0

Battery

Volume	5000 mAh	7000 mAh
Max Charging Power	33 W	33 W
Battery Type	Li-Po	n/a
Removable	No	No
Wireless Charging	No	No
Reverse Charging	No	No
Fast Charging	Yes (27% in 30 min)	Yes
Full Charge Time	1:09 h	n/a

Battery Life

Oppo Realme C55

22:19

Xiaomi Redmi 15 4G

n/a

Web Browsing	07:44 h	n/a
Video Playback	12:22 h	n/a
Games	05:14 h	n/a
Standby Mode	124 h	n/a

Main camera

Matrix	64 MP	50 MP
Photo resolution	9248x6944 pixels	n/a
Zoom	Digital	Digital
Flash	LED	LED
Stabilization	Digital	Digital
8K Recording	No	No
4K Recording	No	No
1080p Recording	Yes (Up to 60 fps)	Yes (Up to 30 fps)
Slow Motion	120 fps (720p)	n/a
Lenses count	Standard: 64 MP Depth: 2 MP	Standard: 50 MP Depth
Features	- Bokeh effect - Pro mode	Bokeh effect

Matrix	64 MP	50 MP
Aperture	n/a	f/1.8
Sensor	Omnivision OV64B	n/a
Sensor size	1/2	n/a
Pixel size	0.7 μm	n/a
Autofocus	Phase autofocus	Phase autofocus
Stabilization	Digital	Digital

Front camera

Matrix	8 MP	8 MP
Photo resolution	3264x2448 pixels	n/a
Aperture	f/2.0	f/2.0
Sensor	CMOS	n/a
Autofocus	No	No
Stabilization	Digital	Digital
Video resolution	1080p (Full HD) at 30 fps	1080p (Full HD) at 30 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 Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.2	5
Bluetooth features	LE	LE
USB type	USB Type-C	USB Type-C
USB version	2	2
USB features	- Charging - USB Storage Mode	- Charging - USB Storage Mode - OTG
GPS	- GPS - GLONASS - Beidou - Galileo	- GPS - GLONASS - Beidou - Galileo
NFC*	Varies by region	Yes
Infrared Port	No	Yes

SIM Count*	2	2
SIM Type	Nano	Nano
SIM Mode	Dual SIM Standby	Dual SIM Standby
eSIM Support *	No	No
Hybrid Slot	No	No
2G Bands	GSM 850/900/1800/1900	n/a
3G Bands	WCDMA Bands 1/5/8	n/a
LTE Bands*	LTE (B1/B3/B5/B8/B38/B40/B41)	n/a
LTE category	7	n/a
5G Support	No	No

Sound

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

Max Volume

Oppo Realme C55

80.6 dB

Xiaomi Redmi 15 4G

n/a

Other

Class	Budget	Budget
Announced	March, 2023 yr	August, 2025 yr
Release Date	March, 2023 yr	August, 2025 yr
Launch Price ($)	160	n/a
MSRP ($)	n/a	150
Sensors	- Proximity Sensor - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor	- Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor
Charger Included	Yes 33 W	Yes, 33 W

Results

After analyzing the data, we consider Xiaomi Redmi 15 4G the clear winner in this comparison.

Survey

Which smartphone would you pick?

Oppo Realme C55

0 (0%)

Xiaomi Redmi 15 4G

0 (0%)

Total Votes: 0

Oppo Realme C55 vs Xiaomi Redmi 15 4G

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Results

Survey

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