Realme 9i vs Samsung Galaxy M15 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 9i
Realme 9i
Realme

General

Launch Date January 10, 2022 April 5, 2024
Release Year 2022 2024

Physical

Volume 104.54 cm³ 114.35 cm³
Screen Size to Weight Ratio 3.47 "/g 3 "/g
Weight 190 g 217 g
Height 164.4 mm 160.1 mm
Width 75.7 mm 76.8 mm
Thickness 8.4 mm 9.3 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Gray
  • Light Blue
  • Dark Blue

Display

Screen Size 6.6 " 6.5 "
Resolution 1080 x 2412 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 84.2 % 84.3 %
Pixel Density 400 PPI 396 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 480 nits N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 142.01 mAh/in²
Battery Density 47.83 mAh/cm³ 52.47 mAh/cm³
Battery Capacity 5000 mAh 6000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 610 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Realme 9i and the Samsung Galaxy M15. As always, we're not just going to rattle off specs; we're going to look at what these numbers actually mean for you, the user.

1. Specifications Breakdown

FeatureRealme 9iSamsung Galaxy M15Real-World Implications
Design
Dimensions164.4 x 75.7 x 8.4 mm160.1 x 76.8 x 9.3 mmRealme 9i is taller, while the M15 is wider and thicker, impacting grip and pocketability. M15 is bulkier.
Weight190g217gThe Realme 9i is noticeably lighter, making it more comfortable for extended use. M15 may feel heavy after prolonged use.
Display
Size6.6"6.5"Negligible difference in screen size; both offer a large screen experience.
Resolution1080x24121080x2340Similar resolution; both offer sharp visuals for daily use.
Pixel Density400 PPI396 PPINearly identical pixel densities mean both will look equally sharp.
TechnologyIPS LCDAMOLEDMajor win for Samsung. AMOLED offers superior blacks, vibrant colors, and better power efficiency with dark themes.
Refresh Rate90Hz90HzBoth phones offer smooth scrolling and animations.
Brightness0 nits800 nitsAnother win for Samsung. The M15 is far brighter, making it much easier to use outdoors in sunlight.
Performance
ChipsetSnapdragon 680 4GDimensity 6100+Different chipsets; the M15's Dimensity chip is significantly more powerful, translates to faster app loading and smoother multitasking.
AnTuTu Score216,850442,500Massive win for Samsung. The M15 scores significantly higher, indicating much better performance in demanding tasks like gaming.
GPUAdreno 610Mali-G57 MC2Different GPUs; M15's Mali-G57 MC2 offers stronger graphics performance.
Battery Life
Capacity5000 mAh6000 mAhClear win for Samsung. The M15's larger battery should provide notably longer battery life.
Charging33W25WThe Realme 9i charges slightly faster, but the Samsung’s much larger battery may still result in longer use.
Camera
Main Camera50MP, f/1.850MP, f/1.8Similar main cameras; image quality will depend on processing and other factors, like the sensor model for the M15 which isn't specified.
Selfie Camera16MP, f/2.113MP, f/2.0The Realme 9i has higher megapixel count, while the M15 has a slightly wider aperture for better low-light performance.
Wide-Angle CameraNone5MP, f/2.2Advantage for Samsung, offering more shooting versatility.
Macro Camera2MP, f/2.42MP, f/2.4Similar macro cameras.
Black & White Camera2MP, f/2.4NoneThe Realme 9i offers a black & white lens that adds stylistic options when taking photos.
Video1080p@30fps, 120fps slow-mo1080p@30fps, 240fps slow-mo, EISBoth record 1080p at 30fps, but Samsung offers smoother video recording with digital stabilization.
Software
OSAndroid 11 (upgradable to 13)Android 14Win for Samsung, offering a more up-to-date Android experience out of the box.
Connectivity
WiFiWi-Fi 5Wi-Fi 5Both support similar WiFi standards.
Bluetooth5.05.2Advantage for Samsung, offering the latest standard.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoSlight win for Samsung, offering a few more location services for better accuracy.
Storage
Internal64/128 GB128 GBBoth offer 128GB of storage, but only the M15 offers it standard.
RAM4/6 GB4/6 GBBoth offer similar RAM configurations for multitasking.
ExpandableNoNoNeither phone supports expandable storage.
Audio
QualityHi-Res Audio, Stereo Speakers2 microphonesEdge for Realme, with high resolution audio and stereo speakers providing a better listening experience.
Security
FeaturesSide-mounted fingerprint sensorSide-mounted fingerprint sensorBoth have a reliable fingerprint sensor.

2. Key Insights

  • Samsung Galaxy M15's Strengths: The M15 shines with a superior AMOLED display, significantly better performance thanks to the Dimensity 6100+ chipset, longer battery life due to a larger 6000mAh battery, an up-to-date Android 14 operating system, a wide angle camera, a newer Bluetooth standard, and better GPS. The brighter screen is a huge plus for outdoor visibility.

  • Realme 9i's Strengths: The Realme 9i boasts a slightly faster charging speed, stereo speakers, and a black and white camera, providing a few extra shooting options. Its lighter weight also contributes to better comfort for prolonged use.

  • Trade-offs: The Realme 9i sacrifices processing power, screen quality, and battery life for a lighter build and marginally faster charging. The Samsung Galaxy M15's main drawback is its higher weight and bulkier form factor compared to Realme 9i.

3. User Profiles and Recommendations

  • Samsung Galaxy M15: Ideal for users who prioritize a vibrant display, smooth performance, longer battery life, and a more modern Android experience. This is a great pick for gamers, media consumers, and those who rely on their phone throughout the day.

  • Realme 9i: This phone is better suited for users who value a lighter device, slightly faster charging, and high resolution audio features. It's also a fine phone for the budget-conscious user seeking a good all-around performer.

4. Buying Decision Framework

Here are three questions to guide your decision:

  1. How much do I care about display quality? If you're someone who watches a lot of videos or spends time in direct sunlight, the AMOLED display on the M15 is a huge advantage.
  2. Is performance a priority? If you want smoother multitasking and the ability to play demanding games, the Samsung M15 is the clear winner with its superior chipset.
  3. How important is battery life? If you need a phone that lasts all day, the M15's larger battery will be more reliable.

Scenario-Based Recommendations:

  • The Gamer/Power User: Choose the Samsung Galaxy M15. Its significantly better performance and superior display will provide a much more enjoyable experience.
  • The Media Consumer: The Samsung Galaxy M15 is again the best choice here, with its vibrant AMOLED display and longer battery life for extended binge-watching.
  • The Budget Conscious User: The Realme 9i makes a lot of sense. It won't provide as buttery of a smooth experience but it will cover the basics and will save money.
  • The Casual User: Both phones are adequate, but the Samsung Galaxy M15 is the overall superior option offering better performance, display, and battery.

My Choice

If it were my money on the line, I'd go with the Samsung Galaxy M15. The AMOLED display alone is a game-changer, but when you combine that with the much faster chipset, superior battery life, and more up-to-date OS, it's a no-brainer. The performance gap is significant enough to make the Realme 9i feel a generation behind. Even though the M15 is slightly heavier and bulkier, the benefits of the other improvements significantly outweigh this minor drawback. It's just the better phone for most people in most situations.

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.