Samsung Galaxy A02 vs Xiaomi Redmi Note 11S - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 27, 2021 February 9, 2022
Release Year 2021 2022

Physical

Volume 113.27 cm³ 95.71 cm³
Screen Size to Weight Ratio 3.16 "/g 3.59 "/g
Weight 206 g 179 g
Height 164 mm 159.9 mm
Width 75.9 mm 73.9 mm
Thickness 9.1 mm 8.1 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Pearl White
  • Twilight Blue
  • Graphite Gray

Display

Screen Size 6.5 " 6.43 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.9 % 84.5 %
Pixel Density 270 PPI 409 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A 700 nits
HBM Brightness N/A N/A
Peak Brightness N/A 1000 nits

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 120.93 mAh/in²
Battery Density 44.14 mAh/cm³ 52.24 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6739W (28 nm) Mediatek MT6781 Helio G96 (12 nm)
CPU Quad-core 1.5 GHz Cortex-A53 Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU PowerVR GE8100 Mali-G57 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 11

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy A02Xiaomi Redmi Note 11SPractical Impact
Design
Dimensions164 × 75.9 × 9.1 mm159.9 × 73.9 × 8.1 mmRedmi Note 11S is more compact and easier to handle with one hand. A02 is noticeably bulkier.
Weight206g179gRedmi Note 11S is significantly lighter, more comfortable for extended use. A02 might feel heavy after a while.
Display
Size6.5"6.43"Negligible difference in screen size, both offer a similar viewing experience.
Resolution720x16001080x2400Redmi Note 11S has a much sharper display, text and images will look clearer. A02 can appear pixelated by comparison.
PPI270409Redmi Note 11S offers significantly crisper details. A02's display will appear less refined.
TechnologyPLS LCDAMOLEDRedmi Note 11S has far superior contrast, deeper blacks, and more vibrant colors, more pleasing to the eye.
Refresh Rate60Hz90HzRedmi Note 11S provides a slightly smoother scrolling experience. A02 will feel less fluid during animations.
Brightness0 nits1000 nitsRedmi Note 11S screen is much more visible in bright sunlight. A02 would be very hard to use outdoors on a sunny day.
Performance
ChipsetMediatek MT6739W (28 nm)Mediatek MT6781 Helio G96 (12 nm)Redmi Note 11S chipset is much more powerful. Expect significantly faster app loading and smoother performance.
AnTuTu Score50,774302,877Redmi Note 11S is much faster for all tasks, better for gaming, multitasking. A02 is sluggish compared to it.
GPUPowerVR GE8100Mali-G57 MC2Redmi Note 11S's GPU is much better for graphics processing, gaming will run smoother, more detail.
Battery
Capacity5000mAh5000mAhBoth offer comparable battery life on a single charge.
Charging7.5W fast charging33W fast chargingRedmi Note 11S charges much faster. A02 will take a long time to fully charge, which is inconvenient.
FeaturesNon-removableReverse charging, Non-removableRedmi Note 11S can be used to charge other devices.
Camera
Standard Camera13MP, f/1.9, 1.12 µm pixel108MP, f/1.9, 1/1.52", 0.70 µm pixelRedmi Note 11S captures much more detailed images. A02's camera quality is quite basic by comparison.
Selfie Camera5MP, f/2.016MP, f/2.4, 1/3.13", 1.00 µm pixelRedmi Note 11S has a higher resolution selfie camera. A02's front camera quality is fairly basic.
Wide Angle LensN/A8MP, f/2.2, 1/2.8", 1.14 µm pixelRedmi Note 11S has a versatile wide-angle lens for group shots.
Depth SensorN/A2MP, f/2.4, 1/5", 1.75 µm pixelRedmi Note 11S enables a portrait mode with a bokeh effect for more creative photos.
Macro Lens2MP, f/2.42MP, f/2.4, 1/5", 1.75 µm pixelBoth phones have a macro lens for taking close-up photos, with comparable quality.
Video1080p@30fps, No Slow-motion1080p@30fps, 120 fps slow-motionRedmi Note 11S enables creative slow-motion videos. A02 can only record normal-speed videos.
Software
OSAndroid 10 (max 11)Android 11Redmi Note 11S has a newer version of Android which might provide new features, security and performance updates.
Connectivity
WiFi802.11b/g/n802.11a/b/g/n/acRedmi Note 11S offers faster and more reliable Wi-Fi connections. A02 is limited to older standards.
Bluetooth4.2 LE5.0 LERedmi Note 11S has better and more stable Bluetooth connections. A02 has an older version of Bluetooth.
GPSGPS, A-GPS, GLONASSGPS, A-GPS, GLONASS, Beidou, GalileoRedmi Note 11S offers more accurate location services with additional satellite support.
Storage
Internal32 GB or 64 GB64 GB or 128 GBRedmi Note 11S offers more built-in storage for files and applications. A02 might fill up very quickly.
RAM2 GB or 3 GB or 4 GB6 GB or 8 GBRedmi Note 11S has substantially more RAM for smoother multitasking. A02 could struggle with many apps open.
ExpandableNoNoNeither phone supports expandable storage, so storage selection is important.
Audio
QualityDolby AtmosHi-Res Audio, Stereo SpeakersRedmi Note 11S has better sound quality with stereo speakers. A02's audio quality is less impressive.
Security
FeaturesBasic SecuritySide-mounted fingerprint sensorRedmi Note 11S offers convenient and more secure access via a fingerprint sensor. A02 relies on less secure methods.
Build
Screen ProtectionUnknownCorning Gorilla Glass 3Redmi Note 11S has a more durable screen that is more resistant to scratches and cracks.
SensorsProximity, AccelerometerFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic proximity sensorRedmi Note 11S has more sensors allowing for better gaming and enhanced features, like auto-screen rotation.

2. Key Differences Analysis

Samsung Galaxy A02 Advantages:

  • Slightly larger screen: A marginal advantage for users who prioritize a bigger display. However, this is offset by the lower resolution and inferior display technology.
  • Dolby Atmos: Offers some enhanced audio capabilities, but may be less impressive than the Redmi Note 11S's Hi-Res Audio and Stereo speakers.
  • Slightly wider aperture on the selfie camera: While the selfie camera has a wider aperture than the Redmi Note 11S it's vastly lower in resolution.

Xiaomi Redmi Note 11S Advantages:

  • Superior Display: AMOLED panel with higher resolution, pixel density, refresh rate, and brightness offers a dramatically better viewing experience.
  • Significantly Higher Performance: The Helio G96 chipset and more RAM offer far superior performance for all tasks, especially gaming.
  • Faster Charging: 33W fast charging is a big advantage, as it'll make recharging much quicker.
  • Better Cameras: Higher resolution standard and selfie cameras, plus an ultrawide lens and depth sensor for more versatile photography.
  • More Storage & RAM: Double or more internal storage and RAM ensures better performance and more space for files.
  • Improved Connectivity: Newer Wi-Fi and Bluetooth standards offer more reliable connections.
  • Enhanced Security: The side-mounted fingerprint sensor provides more secure and convenient device unlocking.
  • Additional Features: Reverse charging, stereo speakers, Hi-Res Audio, and more advanced sensors enhance the user experience.
  • Screen Protection: Gorilla Glass provides protection against scratches.

Trade-offs:

  • The Samsung Galaxy A02 has a larger screen by a small margin which some users might prefer.
  • The Samsung Galaxy A02's slightly wider selfie camera aperture could be more suited for lower-light shots.

3. User Profiles & Recommendations

Samsung Galaxy A02 Ideal User:

  • Basic Users: Those who primarily use their phones for calls, texts, and basic social media browsing.
  • Budget-Conscious Buyers: Users who are extremely price sensitive and need the most affordable smartphone possible.
  • Users with low performance expectations: Users who need a phone for the absolute basics.
  • Users who prioritize a slightly larger screen: This small difference might appeal to those who prefer a larger display, but it is counteracted by lower resolution and display quality.

Use Cases:

  • Basic communication (calls, texts).
  • Light social media browsing.
  • Simple tasks, such as using basic apps.

Xiaomi Redmi Note 11S Ideal User:

  • Multimedia Enthusiasts: Users who enjoy consuming videos, playing games, and browsing social media with better quality.
  • Photography Lovers: Users who like to take high-quality photos with a versatile camera system.
  • Performance-Oriented Users: Those who need a phone that can handle multitasking and demanding applications.
  • Users wanting a smooth overall experience: Those who need a device that provides responsive and fast performance.

Use Cases:

  • Gaming and running demanding apps.
  • Photography and videography, including slow-motion capture and wide-angle shots.
  • Watching movies and videos with a high-quality display.
  • Multitasking with multiple apps open.

Price-to-Value Ratio:

  • The Redmi Note 11S offers a far superior price-to-value ratio, given its substantial advantages in display quality, performance, and camera capabilities.

4. Decision Framework

Key Questions to Consider:

  1. How important is display quality? If you value vibrant colors, sharp details, and brightness, the Redmi Note 11S is the obvious choice.
  2. How demanding are your usage needs? If you play games or use many apps simultaneously, the Redmi Note 11S’s performance advantage is crucial.
  3. What is your budget? If you are on an extremely tight budget, the Samsung Galaxy A02 might be your only option, but the user experience will be significantly less refined.

Scenario-Based Recommendations:

  • Scenario 1: Extremely tight budget, basic use: If you absolutely need the cheapest possible phone, the Samsung Galaxy A02 is the only option, however, you should be aware of the limitations of the phone before buying it.
  • Scenario 2: Media consumption, good camera, gaming on a budget: The Xiaomi Redmi Note 11S is the better choice; the screen quality and performance are noticeably better in all areas.
  • Scenario 3: Smooth everyday use and value: The Xiaomi Redmi Note 11S is a more versatile and reliable device.

My Choice

If I had to choose between these two phones, I would definitely choose the Xiaomi Redmi Note 11S. The difference in overall user experience is substantial. The Redmi Note 11S has a superior display, performance, faster charging, better cameras and all of this adds up to a much more enjoyable and reliable daily driver. The A02's specifications are too limiting, and its performance is very weak. The Redmi Note 11S is worth the extra cost due to its vastly superior capabilities and overall experience.

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.

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