Realme 9i vs vivo X100 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 9i
Realme 9i
Realme
vivo X100
vivo X100
Vivo

General

Launch Date January 10, 2022 November 21, 2023
Release Year 2022 2023

Physical

Volume 104.54 cm³ 104.89 cm³
Screen Size to Weight Ratio 3.47 "/g 3.36 "/g
Weight 190 g 202 g
Height 164.4 mm 164.1 mm
Width 75.7 mm 75.2 mm
Thickness 8.4 mm 8.5 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Orange
  • Startrail Blue
  • Asteroid Black

Display

Screen Size 6.6 " 6.78 "
Resolution 1080 x 2412 1260 x 2800
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 89.9 %
Pixel Density 400 PPI 452 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 480 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 3000 nits

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 108.77 mAh/in²
Battery Density 47.83 mAh/cm³ 47.67 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Mediatek Dimensity 9300 (4 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
GPU Adreno 610 Immortalis-G720 MC12

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 13

Comparison Summary

Okay, let's break down the Realme 9i and the vivo X100, focusing on what these specs actually mean for you in your day-to-day life.

1. Specifications Breakdown

Here's a detailed comparison table, looking at key specs and their real-world implications:

FeatureRealme 9ivivo X100Real-World Implications
Design
Dimensions164.4 × 75.7 × 8.4 mm, 190g164.1 × 75.2 × 8.5 mm, 202gVery similar size and weight, the Realme 9i is a touch lighter, which may be a benefit for long holds.
BuildStandardStandardBoth standard smartphones, neither foldable.
Display
Size6.6"6.78"vivo X100's slightly larger screen provides a more immersive experience for media consumption and gaming.
Resolution1080x24121260x2800vivo X100's higher resolution results in sharper visuals and more detail, especially noticeable in text and high-res images.
Pixel Density400 PPI452 PPIThe vivo X100 delivers a crisper, clearer image due to its superior pixel density.
TechnologyIPS LCDAMOLEDAMOLED on the vivo X100 offers deeper blacks, richer colors, and better contrast, which leads to a vastly superior viewing experience especially in HDR content. AMOLED is also more efficient when using dark modes.
Refresh Rate90Hz120Hzvivo X100 provides smoother scrolling and animations, resulting in a more fluid and responsive user interface.
Brightness0 nits3000 nitsThe vivo X100 will be dramatically more visible under bright sunlight. The Realme 9i lacks specific brightness ratings making outdoor usage less than ideal.
Performance
ChipsetSnapdragon 680 (6 nm)Dimensity 9300 (4 nm)The Dimensity 9300 in the vivo X100 offers a massive performance leap, making it faster for everything from app loading to gaming. The 4nm process is much more efficient in power usage as well.
Antutu Score216,8501,881,325The vivo X100's benchmark score is a huge leap, translating to vastly smoother performance, better multitasking, and higher gaming frame rates.
GPUAdreno 610 (Adreno 610)Immortalis-G720 MC12 (Immortalis-G720 MC12)The vivo X100 offers significantly better graphics performance, crucial for demanding games and applications.
Camera
Main Camera50MP, f/1.8, 1/2.76"50MP, f/1.57, 1/1.31"The vivo X100's larger sensor and wider aperture let in more light, resulting in better low-light performance and image quality.
Selfie Camera16MP, f/2.1, 1/3.13"32MP, f/2.0, 1/2.8"The vivo X100 has a higher resolution and wider aperture, meaning better clarity, details, and better low light selfies.
Telephoto LensNot Available64MP, f/2.6, 1/2"The vivo X100 offers a dedicated telephoto lens for zoomed shots, whereas the Realme 9i offers no zoom capabilities.
Wide Angle LensNot Available50MP, f/2.0, 1/2.76"The vivo X100 offers a dedicated wide angle lens for creative landscape and group shots, whereas the Realme 9i offers no ultrawide capabilities.
Macro Lens2MP, f/2.4, 1/5"Not AvailableRealme 9i offers a dedicated macro lens for close-up photography, whereas the vivo X100 does not.
Black & White Lens2MP, f/2.4, 1/5"Not AvailableRealme 9i offers a dedicated Black & White lens for B&W photography, whereas the vivo X100 does not.
Video1080p@30fps, No stabilization4K, Yes stabilizationThe vivo X100 records higher quality video, supports 4K resolution, and has image stabilization for smoother videos.
Camera FeaturesBasicAdvanced features such as Cinematic Mode, Optical Zoom, OIS, Gimbal, RAW, Night ModeThe vivo X100 packs far more features, offering flexibility and creativity in photography.
Battery Life
Capacity5000mAh5000mAhBoth offer similar battery capacities, suggesting comparable battery life under similar use cases.
Charging33W fast charging120W fast chargingvivo X100 charges much faster, significantly reducing downtime.
Software
OSAndroid 11 (upgradeable to 13)Android 14The vivo X100 offers a more recent version of Android out-of-the-box, meaning better feature compatibility and security.
Connectivity
WiFi802.11acWiFi 7 (802.11be)The vivo X100's newer WiFi standard offers higher speeds, better performance, and future-proofing.
BluetoothBluetooth 5.0Bluetooth 5.4 LEvivo X100 has more efficient power consumption and additional audio codec support.
GPSBasic (GPS, A-GPS, GLONASS, Beidou, Galileo)Comprehensive (additional QZSS, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5))vivo X100 offers a wider range of satellite system support for better GPS performance and better accuracy.
Storage
Internal64/128 GB256/512/1024 GBThe vivo X100 has significantly more internal storage, providing a much larger space for apps, media, and files.
RAM4/6 GB12/16 GBvivo X100 has substantially more RAM for smoother multitasking and better performance with intensive apps.
ExpandableNoNoNeither device offers the ability to add external memory.
Audio
QualityHi-Res Audio, Stereo SpeakersDolby Atmos, Hi-Res Audio, Stereo SpeakersThe vivo X100 provides a more immersive and richer audio experience due to Dolby Atmos compatibility.
Security
FeaturesSide-mounted fingerprint sensorBasic fingerprint sensorRealme 9i has a more advanced side mounted fingerprint sensor.
Sensors
SensorsAccelerometer, Compass, Proximity, FingerprintAccelerometer, Compass, Gyroscope, Proximity, Fingerprintvivo X100 has a gyro for more advanced motion tracking.
Build Quality
Screen ProtectionUnknownUnknownBoth phones use similar unknown screen protection.

2. Key Insights

Realme 9i:

  • Strengths: The Realme 9i focuses on providing a budget-friendly option with basic features. Its large battery and respectable display for its class make it a reasonable choice for basic smartphone tasks. It's lighter, which some users may prefer.
  • Trade-offs: Its performance is notably behind the curve, with a dated chipset, basic camera setup, and slower charging capabilities. The lack of features like a telephoto or ultrawide camera, as well as minimal camera features are limitations compared to what else is out there.

vivo X100:

  • Strengths: The vivo X100 is a powerhouse, delivering a premium experience across the board. It excels in display quality, performance, camera capabilities, and fast charging. The inclusion of a telephoto and ultrawide camera greatly enhances its photography versatility. It also supports more modern technologies like WiFi 7.
  • Trade-offs: It’s heavier than the Realme 9i, and the higher price point may not be accessible for all users.

3. User Profiles and Recommendations

Realme 9i is best for:

  • Budget-conscious users: Individuals looking for a basic smartphone that can handle everyday tasks like social media, calls, and web browsing without breaking the bank.
  • Users with simple needs: Those who don't need the best performance or camera capabilities but want a reliable device for basic daily functions and communication.
  • Users who prefer a lighter device: The weight difference, although slight, may be noticed over prolonged use.

vivo X100 is best for:

  • Power users: Those who need high-performance for gaming, video editing, or other demanding applications.
  • Photography enthusiasts: Users who value high-quality photos and videos with versatile camera options and want to take advantage of advanced photography features.
  • Media consumers: Individuals who enjoy watching videos, movies, or TV shows on their mobile device, given the superior screen quality and audio experience.
  • Users willing to pay for a premium experience: The vivo X100 provides a very high level of experience that is above and beyond what the average user would require.

4. Buying Decision Framework

To help you choose, ask yourself these three questions:

  1. How important is performance to you?
    • If you need a phone for gaming or demanding apps, the vivo X100 is your only choice.
    • If you just use social media, text, and calls, the Realme 9i will suffice.
  2. What do you value more in a camera?
    • If you just need basic social media photos, the Realme 9i will do fine.
    • If you want versatility and high quality, the vivo X100 with its more advanced capabilities is far superior.
  3. What is your budget?
    • If you want the most value for the lowest cost, the Realme 9i makes more sense.
    • If you are willing to spend more for a premium experience, the vivo X100 provides this in spades.

Scenario-Based Recommendations:

  • Student on a tight budget: Choose the Realme 9i for its affordability and basic functionality.
  • Social media user who wants a good camera: The vivo X100 is the superior option with better quality and versatile options.
  • Mobile gamer who needs performance: The vivo X100 is the clear choice with its far superior performance.
  • Professional who relies on their phone for everything: The vivo X100 provides a smoother experience and has the power to be a true workhorse.

Personal Choice

If I were choosing between these two devices, I would choose the vivo X100 without a doubt. The performance difference alone is staggering, the camera capabilities are significantly higher, and the display quality is in an entirely different league. As someone who values smooth performance for multitasking and high-quality photos and videos, the vivo X100 just offers a superior experience. While the Realme 9i serves its purpose at a budget level, the vivo X100 is simply a better product in almost every category, and for me personally, I would prefer to pay more for that experience. The speed of 120W charging is also a huge plus!

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.