OnePlus 9R vs Realme C55 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9R
OnePlus 9R
Oneplus
Realme C55
Realme C55
Realme

General

Launch Date April 14, 2021 March 8, 2023
Release Year 2021 2023

Physical

Volume 100.21 cm³ 99.3 cm³
Screen Size to Weight Ratio 3.47 "/g 3.55 "/g
Weight 189 g 189.5 g
Height 161 mm 165.6 mm
Width 74.1 mm 75.9 mm
Thickness 8.4 mm 7.9 mm
Foldable Design No No
Available Colors
  • Carbon Black
  • Lake Blue
  • Sun Shower
  • Rainy Night
  • Rainforest

Display

Screen Size 6.55 " 6.72 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 86.8 % 86.7 %
Pixel Density 402 PPI 392 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 680 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 110.72 mAh/in²
Battery Density 44.9 mAh/cm³ 50.35 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Mediatek MT6769H Helio G88 (12 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 650 Mali-G52 MC2

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 10 13
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 9RRealme C55Practical Impact
Design
Dimensions161 × 74.1 × 8.4 mm165.6 × 75.9 × 7.9 mmRealme C55 is slightly taller and wider, OnePlus 9R is slightly thicker. May affect one-handed use and pocketability.
Weight189g189.5gVirtually identical weight, should feel very similar in hand.
Display
Size6.55"6.72"Realme C55 offers a slightly larger viewing area, which could be preferable for media consumption.
Resolution1080x24001080x2400Same level of sharpness for both.
PPI402392Both offer similar pixel density, so both will appear sharp.
TechnologyAMOLEDIPS LCDOnePlus 9R has superior contrast, deeper blacks, more vibrant colors and better energy efficiency for dark themes. Realme C55 display will have more washed out colors and blacks will be more like gray.
Refresh Rate120Hz90HzOnePlus 9R will have smoother animations and scrolling, more responsive gaming.
Brightness0 nits680 nitsRealme C55 is significantly better for use in bright sunlight. OnePlus 9R display will be more difficult to see outdoors in bright lighting. Note: OnePlus 9R brightness value is most likely a typo, not actually 0 nits.
Performance
ChipsetQualcomm Snapdragon 870 5G (7 nm)Mediatek Helio G88 (12 nm)OnePlus 9R offers considerably higher performance for demanding apps, multitasking, and gaming.
AnTuTu Score821,600245,800OnePlus 9R is over 230% faster, ensuring a much smoother user experience for most tasks.
GPUAdreno 650Mali-G52 MC2OnePlus 9R's Adreno 650 provides superior graphics processing for gaming and GPU-intensive apps.
Battery
Capacity4500mAh5000mAhRealme C55 is likely to have better battery life between charges.
Charging65W Fast Charging, Li-Polymer33W Fast Charging, Li-IonOnePlus 9R will charge much faster.
Camera
Main Camera48MP, f/1.7, 1/2", Sony IMX586, 0.8µm64MP, 1/2", Omnivision OV64B, 0.7µmRealme C55 has higher resolution, but OnePlus has larger pixels and a brighter aperture which potentially performs better in low light.
Selfie Camera16MP, f/2.4, 1/3.13", Sony IMX471, 1.0µm8MP, f/2.0OnePlus 9R has significantly higher resolution and larger pixels in selfie camera. Realme C55 selfie will have a wider view.
Wide Angle Lens16MP, f/2.2, 1/3.09", Sony IMX481, 1.0µmNoneOnePlus 9R has the flexibility of an ultra-wide camera for group shots and landscapes.
Depth Sensor2MP, f/2.42MP, f/2.4, 1/5", GalaxyCore GC02M1, 1.75µmBoth offer depth sensors for portrait mode.
Macro Lens5MP, f/2.4NoneOnePlus 9R has a dedicated macro camera for closeup photography.
VideoUp to 4K@60fps with HDR, EIS1080p@30/60fpsOnePlus 9R allows for higher resolution recording and more stable video with OIS.
Camera Features4K Video, OIS, PDAF, Quad camera, RAWDual camera, Night ModeOnePlus 9R has features suited for pro-level photography (OIS, RAW), Realme C55 has Night Mode.
Software
OSAndroid 10 (Upgradable to 13)Android 13Realme C55 ships with a newer OS, but OnePlus 9R can be upgraded to Android 13.
Connectivity
Wi-FiWiFi 6, MIMOWi-Fi 5OnePlus 9R supports the newer Wi-Fi standard and MIMO for faster and more stable connections, better suited for areas with congested Wi-Fi networks.
BluetoothBluetooth 5.1 with APT-x, LDAC, AACBluetooth 5.2 with EDR, HIDRealme C55 supports a newer Bluetooth version. OnePlus 9R offers better high-fidelity audio codec support, while Realme C55 has Enhanced Data Rate and Human Interface Profile support.
GPSGPS (L1+L5), BeiDou (B1), Galileo (E1+E5a)GPS, A-GPS, GLONASS, Beidou, GalileoOnePlus 9R has more precise GPS thanks to the addition of extra bands and constellations.
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM + Nano SIM)Same dual SIM support for both.
Storage
Internal128GB or 256GB64GB, 128GB, or 256GBBoth phones offer up to 256 GB of storage. Realme C55 also has a 64GB version.
RAM8GB or 12GB4GB, 6GB, or 8GBOnePlus 9R can have significantly more RAM for smoother multitasking and better performance in demanding applications.
ExpandableNoNoNeither phone has expandable storage.
Audio
Audio QualityDolby Atmos, Noise cancellation, Stereo SpeakersBasicOnePlus 9R offers significantly better sound quality and immersion for music and videos.
Security
Fingerprint SensorBasic fingerprint sensorSide-mounted fingerprint sensorRealme C55 has a faster, more convenient sensor.
Build Quality
Screen ProtectionUnknownUnknownSpecific screen protection information is missing, but both are likely to have some sort of tempered glass.
Sensors
SensorsAccelerometer, Compass, Gyroscope, Proximity, FingerprintAccelerometer, Proximity, FingerprintOnePlus 9R has additional sensors for more advanced functionality and gaming.

2. Key Differences Analysis

OnePlus 9R Advantages:

  • Significantly Superior Performance: The Snapdragon 870 chipset offers vastly higher processing power than the Helio G88, resulting in much faster app loading, smoother multitasking, and better gaming performance.
  • Superior Display: The AMOLED display offers better contrast, more vibrant colors, and deeper blacks, leading to a better overall viewing experience. The 120Hz refresh rate provides smoother animations.
  • Better Camera Capabilities: The OnePlus 9R offers 4K video recording, a dedicated ultra-wide lens, optical image stabilization (OIS), and features such as RAW image capture for more flexibility and image quality. Also has a higher resolution selfie camera with larger pixel size.
  • Enhanced Audio: Features Dolby Atmos, stereo speakers, and a noise-canceling microphone for a better multimedia and communication experience.
  • Faster Charging: 65W fast charging will quickly recharge the phone for more use.
  • Better Connectivity: Features a more up-to-date Wi-Fi (WiFi 6 with MIMO), and GPS with more constellations and bands, offering better network performance and location accuracy.

Realme C55 Advantages:

  • Newer OS: Ships with Android 13, offering the latest software features and updates (however, the 9R can be upgraded to 13)
  • Larger Battery: The 5000mAh battery provides potentially longer battery life.
  • Higher Brightness: Significantly better visibility in bright outdoor conditions thanks to 680nits of brightness.
  • Newer Bluetooth: Features Bluetooth 5.2
  • Side-Mounted Fingerprint Scanner: May offer more convenience than the basic fingerprint sensor of the OnePlus 9R.

Significant Trade-offs:

  • Performance: The Realme C55 significantly lags behind the OnePlus 9R in terms of processing and graphics performance.
  • Display Quality: The Realme C55's IPS LCD panel cannot match the color reproduction, contrast, and viewing experience offered by the OnePlus 9R's AMOLED screen.
  • Camera Quality: The Realme C55 has a higher resolution main sensor, but lacks a dedicated ultrawide lens, OIS and advanced features and does not offer 4K video.
  • Audio Quality: The Realme C55 offers basic audio and lacks features like stereo speakers and noise cancellation.

3. User Profiles & Recommendations

OnePlus 9R Ideal User:

  • Gamers: The powerful chipset, dedicated GPU, high refresh rate screen, and advanced sensors make this the better phone for gaming.
  • Power Users: Those who multitask extensively, use demanding apps, and require a smooth overall experience.
  • Photography Enthusiasts: Users who need more flexibility with camera features such as RAW, ultrawide shots, and better video quality.
  • Media Consumers: Users who value high-quality audio-visual experiences, better suited for watching movies or listening to music with enhanced audio.
  • Tech-Savvy Users: Those who appreciate faster charging, the latest WiFi and GPS technology.

Realme C55 Ideal User:

  • Budget-Conscious Users: Those looking for a dependable phone that can handle basic tasks and prioritize good battery life and bright display above all else.
  • Users with Simple Needs: Those who primarily use their phones for social media, communication, and light web browsing and are not concerned about gaming or advanced camera features.
  • Outdoor Enthusiasts: The higher screen brightness is great for outdoor use.
  • Users Who Prioritize Battery Life: The larger battery provides longer use between charges.

Use Cases:

  • OnePlus 9R:
    • High-end gaming with smooth frame rates and fast response times.
    • 4K video recording and editing.
    • Viewing and editing RAW photos.
    • Video conferencing in noisy environments, using stereo speakers and noise cancelling microphone.
    • Using Wi-Fi 6 to take full advantage of a fast home network.
    • Precise location tracking for navigation.
  • Realme C55:
    • Social media browsing and video consumption.
    • Longer battery life for extended trips and travel.
    • Comfortable use outdoors in bright daylight.
    • General day-to-day use at a more affordable price point.
    • Fast unlock with the side-mounted fingerprint sensor.

4. Decision Framework

Key Questions for Buyers:

  1. How important is performance and gaming to you? If gaming, performance, and speed are top priorities, the OnePlus 9R is a clear choice. If these are less important or you are a light user, the Realme C55 is a great option.
  2. How important is display quality? If you value the viewing experience with superior contrast and colors, and a high refresh rate, the OnePlus 9R is far superior. If a bright display is the primary concern, the Realme C55 will be a good option.
  3. Which camera features are most important for you? If you want more video recording quality, more versatility and better image quality with advanced features, the OnePlus 9R is the choice. If a basic point and shoot is sufficient, the Realme C55 is ok.

Scenario-Based Recommendations:

  • Scenario 1: You are a gamer who also enjoys high-quality multimedia.
    • Recommendation: OnePlus 9R for its performance, better display and audio capabilities.
  • Scenario 2: You need a reliable phone for daily use, mostly social media, with long battery and good outdoor visibility
    • Recommendation: Realme C55 for it's brightness and long battery.
  • Scenario 3: You are a photography enthusiast who needs flexible camera features.
    • Recommendation: OnePlus 9R, for the better camera quality, OIS, and video recording.
  • Scenario 4: You are on a very tight budget and need the best value
    • Recommendation: Realme C55, offering great value at a low cost.

My Choice

If I were choosing between these two phones, I would choose the OnePlus 9R. While both phones have their strengths, the OnePlus 9R offers a more rounded, premium experience. I personally value the superior performance, higher quality AMOLED display, better camera capabilities with the ultrawide lens, advanced audio, and faster charging speeds. While it may not have the same battery capacity or brightness as the Realme C55, for my typical usage (which involves performance-heavy tasks and lots of media consumption), the OnePlus 9R is the clear winner.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.