iQOO Z10R (8GB RAM + 256GB) has better RAM than Samsung Galaxy M21 (6GB RAM + 128GB). In terms of display resolution, iQOO Z10R (8GB RAM + 256GB) has better resolution of 2392 x 1080 than Samsung Galaxy M21 (6GB RAM + 128GB) which has resolution of 2340 x 1080. iQOO Z10R (8GB RAM + 256GB) has more internal memory than Samsung Galaxy M21 (6GB RAM + 128GB)
| Name | Samsung Galaxy M21 (6GB RAM + 128GB) | iQOO Z10R (8GB RAM + 256GB) | 
| RAM | 6 GB | 8 GB | 
|---|---|---|
| Display | 6.4 in | 6.77 in | 
| Internal Memory | 128 GB | 256 GB | 
| Battery | 6000 mAh | 5700 mAh | 
| Camera | 48 MP + 8 MP + 5 MP Triple | 50 MP + 2 MP Dual | 
| Price | Rs. 14499 | Rs. 21498 | 
The launch Date of the first phone is March 18, 2020. The cost of Samsung Galaxy M21 (6GB RAM + 128GB) is Rs. 14499. The launch Date of the second phone is July 24, 2025. The cost of iQOO Z10R (8GB RAM + 256GB) is Rs. 21498.
iQOO Z10R (8GB RAM + 256GB) has larger screen size of 6.77 inches in comparison to Samsung Galaxy M21 (6GB RAM + 128GB)'s 6.4 inch screen. Samsung Galaxy M21 (6GB RAM + 128GB) has Super AMOLED Screen type where as iQOO Z10R (8GB RAM + 256GB) has AMOLED Screen type. Samsung's phone has display density of 403 PPI & iQOO's phone has only 387 PPI display density. In terms of screen to body ratio, iQOO's phone has better screen to body ratio of ~ 90.61% than Samsung's phone ~ 84.2%. Samsung Galaxy M21 (6GB RAM + 128GB) has 19.5:9 aspect ratio where as iQOO Z10R (8GB RAM + 256GB) has 20:9 aspect ratio.
iQOO Z10R (8GB RAM + 256GB)'s larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy M21 (6GB RAM + 128GB)'s lower 6 GB RAM. iQOO Z10R (8GB RAM + 256GB) has more Internal Memory (256 GB) than Samsung Galaxy M21 (6GB RAM + 128GB) (128 GB).
iQOO Z10R (8GB RAM + 256GB)'s 50 MP + 2 MP Dual Rear Camera outclasses Samsung Galaxy M21 (6GB RAM + 128GB)'s 48 MP + 8 MP + 5 MP Triple Rear Camera in terms of resolution. iQOO Z10R (8GB RAM + 256GB) will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Samsung Galaxy M21 (6GB RAM + 128GB)'s 20 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 15 version.
| Name | Samsung Galaxy M21 (6GB RAM + 128GB) | iQOO Z10R (8GB RAM + 256GB) | 
| General | ||
| Country of Origin | India | |
| Model | Galaxy M21 | Z10R | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | March 18, 2020 | July 24, 2025 | 
| In The Box | Quick Start Guide, Charger,USB Cable, Phone Case, Phone, Eject tool, Warranty card | |
| Design | ||
| Dimensions | 75.1 x 159 x 8.9 mm | 76.72 x 163.29 x 7.39 mm | 
| Weight | 188 g | 183.5 g | 
| Bezel less | Yes | |
| Colors | Aquamarine | Moonstone | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color AMOLED Screen (16.7M) | 
| Touch | Yes | Yes | 
| Size | 6.4 inches, 1080 x 2340 pixels | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 
| Aspect Ratio | 19.5:9 | 20:9 | 
| PPI | ~ 403 PPI | ~ 387 PPI | 
| Screen to Body Ratio | ~ 84.2% | ~ 90.61% | 
| Glass Type | Corning Gorilla Glass 3 | |
| Features | 420 nits (peak) | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole | 
| Curved Display | Yes | |
| Memory | ||
| RAM | 6 GB | 8 GB | 
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB | 
| Storage Type | UFS | |
| Card Slot | Yes, upto 512 GB | No | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28B/n40/n77/n78 | NSA: n1/n3/n5/n8/n28B/n40/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By | 
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | Wi-Fi 6 | |
| Bluetooth | Yes, v5.0 | Yes, v5.4, A2DP, LE, aptX HD | 
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 | 
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging | 
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS; GLONASS; GALILEO; BeiDou; GNSS, QZSS | 
| Fingerprint Sensor | Yes, Rear | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope, | 
| 3.5mm Headphone Jack | Yes | |
| AI Features | Ai Erase, Ai Photo Enhance, Circle to Search, Ai Screen Translate, Ai Transcript Assist | |
| Water Resistance | Yes | |
| IP Rating | IP68+IP69 | |
| Dust Resistant | Yes | |
| Extra Features | Bypass Charging | |
| Camera | ||
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) | 50 MP ƒ/1.79 (Wide Angle) 2 MP ƒ/2.4 (Bokeh Camera) | 
| Camera Sensor | Sony IMX882 | |
| OIS | Yes | |
| Auto Focus | Yes | Yes | 
| Features | Panorama, HDR | Night, portrait, photo, video, micro-movie, 50 MP, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro mode, Food, Dual-view, Live photo, Underwater Photography | Front: Night, Portrait, Photo, Video, Micro Movie, Dual view, Live Photo | 
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K, 1080p | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 20 MP ƒ/2 (Wide Angle) | 32 MP ƒ/2.45 (Wide Angle) Punch Hole, Screen Flash | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p, 4K | 
| Technical | ||
| OS | Android v10.0, upgradable to v11 | Android v15 | 
| Custom UI | Funtouch OS 15 | |
| Chipset | Samsung Exynos 9611 | MediaTek Dimensity 7400 | 
| CPU | 2.3 GHz, Octa Core Processor | 2.6 GHz, Octa Core Processor | 
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 4x Arm Cortex-A78 up to 2.6GHz & 4x Arm Cortex-A55 | 
| GPU | Mali-G72 MP3 | Arm Mali-G615 MC2 | 
| NPU | NPU 655 | |
| 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 | AAC, MIDI, OGG, FLAC, WMA, WAV, APE, MP3 | 
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | MP4, 3GP, AVI | 
| FM Radio | Yes | No | 
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 6000 mAh, Li-Po Battery | 5700 mAh, Li-ion Battery | 
| Fast Charging | Yes, 15W Fast Charging | Yes, 44W Fast Charging | 
| Reverse Charging | Yes | |