Samsung Galaxy M21 2021 vs Xiaomi Redmi Note 15 5G
Quick Comparison
Xiaomi Redmi Note 15 5G has better RAM than Samsung Galaxy M21 2021. In terms of display resolution, Xiaomi Redmi Note 15 5G has better resolution of 2392 x 1080 than Samsung Galaxy M21 2021 which has resolution of 2340 x 1080. Xiaomi Redmi Note 15 5G has more internal memory than Samsung Galaxy M21 2021
| Name | Samsung Galaxy M21 2021 | Xiaomi Redmi Note 15 5G |
| RAM | 4 GB | 8 GB |
|---|---|---|
| Display | 6.4 in | 6.77 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 6000 mAh | 5520 mAh |
| Camera | 48 MP + 8 MP + 5 MP Triple | 108 MP + 8 MP Dual |
| Price | Rs. 13999 | Rs. 22999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 21, 2021. The cost of Samsung Galaxy M21 2021 is Rs. 13999. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 22999.
Display comparison
Xiaomi Redmi Note 15 5G has larger screen size of 6.77 inches in comparison to Samsung Galaxy M21 2021's 6.4 inch screen. Samsung Galaxy M21 2021 has Super AMOLED Screen type where as Xiaomi Redmi Note 15 5G has AMOLED Screen type. Samsung's phone has display density of 403 PPI & Xiaomi's phone has only 388 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Samsung's phone ~ 84.2%. Samsung Galaxy M21 2021 has 19.5:9 aspect ratio where as Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio.
Memory comparison
Xiaomi Redmi Note 15 5G's larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy M21 2021's lower 4 GB RAM. Xiaomi Redmi Note 15 5G has more Internal Memory (128 GB) than Samsung Galaxy M21 2021 (64 GB).
Camera comparison
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outclasses Samsung Galaxy M21 2021's 48 MP + 8 MP + 5 MP Triple Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 15 version.
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Full Comparison
| Name | Samsung Galaxy M21 2021 | Xiaomi Redmi Note 15 5G |
| General | ||
| Country of Origin | India | |
| Model | Galaxy M21 2021 | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 21, 2021 | December 18, 2025 |
| In The Box | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card | |
| Design | ||
| Dimensions | 75.1 x 159 x 9 mm | 75.4 x 164 x 7.35 mm |
| Weight | 192 g | 178 g |
| Colors | Black, Glacier Blue, Mist Purple | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.4 inches, 1080 x 2340 pixels, 60 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20.5:9 |
| PPI | ~ 403 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 84.2% | ~ 89.7% |
| Glass Type | Corning Gorilla Glass 3 | Scratch/drop-resistant glass, Mohs level 5 |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | 420 nits (peak) | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 64 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 512 GB | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou, Galileo | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Rear | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.7 m | |
| IP Rating | IP65 + IP66 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | HDR, Panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2 (Wide Angle) | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Samsung Exynos 9611 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.3 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Mali-G72 MP3 | Adreno 710 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | MP3, AMR, FLAC, APE |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | MP4, M4V, MKV, XVID |
| FM Radio | Yes | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 5520 mAh |
| Fast Charging | Yes, 15W Fast Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes, 18W | |
| Talk Time | 49 hours | |
| Music Playback Time | 131 hours | |