Both Samsung Galaxy S21 FE 5G and Xiaomi Redmi Note 15 5G comes with same RAM. In terms of display resolution, Xiaomi Redmi Note 15 5G has better resolution of 2392 x 1080 than Samsung Galaxy S21 FE 5G which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy S21 FE 5G | Xiaomi Redmi Note 15 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.4 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 4500 mAh | 5520 mAh |
| Camera | 12 MP + 12 MP + 8 MP Triple | 108 MP + 8 MP Dual |
| Price | Rs. 74999 | Rs. 22999 |
The launch Date of the first phone is January 04, 2022. The cost of Samsung Galaxy S21 FE 5G is Rs. 74999. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 22999.
Samsung Galaxy S21 FE 5G has screen size of 6.4 inches which falls short to Xiaomi Redmi Note 15 5G's 6.77 inch screen. Samsung Galaxy S21 FE 5G has Screen type where as Xiaomi Redmi Note 15 5G has AMOLED Screen type. Samsung's phone has display density of 411 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 ~ 85.3%. Samsung Galaxy S21 FE 5G has 19.5:9 aspect ratio where as Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio.
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outclasses Samsung Galaxy S21 FE 5G's 12 MP + 12 MP + 8 MP Triple Rear Camera in terms of resolution. Samsung Galaxy S21 FE 5G will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Redmi Note 15 5G's 20 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 12 and the second one on 15 version.
| Name | Samsung Galaxy S21 FE 5G | Xiaomi Redmi Note 15 5G |
| General | ||
| Country of Origin | India | India |
| Model | Galaxy S21 FE 5G | 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 | January 04, 2022 | 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 | 74.5 x 155.7 x 7.9 mm | 75.4 x 164 x 7.35 mm |
| Weight | 177 g | 178 g |
| Colors | Black, Glacier Blue, Mist Purple | |
| Display | ||
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.4 inches, 1080 x 2340 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20.5:9 |
| PPI | ~ 411 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 85.3% | ~ 89.7% |
| Glass Type | Corning Gorilla Glass Victus | Scratch/drop-resistant glass, Mohs level 5 |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | Intelligent Eye Comfort Shield, Smooth Scrolling | 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, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | No | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | FDD Sub6 N1(2100), N3(1800), N5(850), N7(2600), N8(900), N20(800), N28(700), N66(AWS-3) | 5G* TDD Sub6 N38(2600), N40(2300), N41(2500), N78(3500) | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v3.2 | 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, BDS, GALILEO | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.7 m |
| IP Rating | IP68 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 12 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama, 3x Optic Zoom, 30X Space Zoom | HDR, Panorama |
| Video Recording | 4K, 1080p, 720p | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v12 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.9 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Mali-G78 MP14 | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AMR, FLAC, APE |
| Video | Yes | 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 | 4500 mAh, Li-Po Battery | 5520 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 45W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes | Yes, 18W |