Both Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) and Samsung Galaxy M51 (8GB RAM + 128GB) comes with same RAM. Both have the same amount of internal memory.
| Name | Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) | Samsung Galaxy M51 (8GB RAM + 128GB) | 
| RAM | 8 GB | 8 GB | 
|---|---|---|
| Display | 6.67 in | 6.7 in | 
| Internal Memory | 128 GB | 128 GB | 
| Battery | 5020 mAh | 7000 mAh | 
| Camera | 64 MP Quad | 64 MP Quad | 
| Price | Rs. 18999 | Rs. 17999 | 
The launch Date of the first phone is March 4, 2021. The cost of Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) is Rs. 18999. The launch Date of the second phone is September 10, 2020. The cost of Samsung Galaxy M51 (8GB RAM + 128GB) is Rs. 17999.
Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) has screen size of 6.67 inches which falls short to Samsung Galaxy M51 (8GB RAM + 128GB)'s 6.7 inch screen. Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) has Super AMOLED Screen type where as Samsung Galaxy M51 (8GB RAM + 128GB) has Super AMOLED Plus Screen type. Xiaomi's phone has display density of 395 PPI & Samsung's phone has only 386 PPI display density. In terms of screen to body ratio, Samsung's phone has better screen to body ratio of ~ 86.7% than Xiaomi's phone ~ 84.5%. Both mobiles have same aspect ratio of 20:9.
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) has 64 MP Quad Rear Camera in comparison to Samsung Galaxy M51 (8GB RAM + 128GB)'s 64 MP Quad Rear Camera. Samsung Galaxy M51 (8GB RAM + 128GB) 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 10 Pro (8GB RAM + 128GB)'s 16 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 10 version.
| Name | Xiaomi Redmi Note 10 Pro (8GB RAM + 128GB) | Samsung Galaxy M51 (8GB RAM + 128GB) | 
| General | ||
| Model | Redmi Note 10 Pro | M51 | 
| 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 4, 2021 | September 10, 2020 | 
| Design | ||
| Dimensions | 76.15 x 164.5 x 8.1 mm | 76.3 x 163.9 x 9.5 mm | 
| Weight | 192 g | 213 g | 
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color Super AMOLED Plus Screen (16M Colors) | 
| Touch | Yes | Yes | 
| Size | 6.67 inches, 1080 x 2400 pixels, 120 Hz | 6.7 inches, 1080 x 2400 pixels | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 395 PPI | ~ 386 PPI | 
| Screen to Body Ratio | ~ 84.5% | ~ 86.7% | 
| Glass Type | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 | 
| Features | HDR10 | |
| Notch | Yes, Punch Hole | Yes, Punch Hole | 
| Memory | ||
| RAM | 8 GB | 8 GB | 
| Storage | 128 GB | 128 GB | 
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 512 GB | Yes, upto 512 GB | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | No | |
| 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, v5.0, A2DP, LE | 
| 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 | 
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, Galileo, GLONASS, Beidou, NavIC Support | Yes, with A-GPS, GLONASS, GALILEO, BDS | 
| Fingerprint Sensor | Yes, Side | Yes, Side | 
| Face Unlock | Yes | Yes | 
| Sensors | 360̊ Ambient Light Sensor, Proximity Sensor, E Compass, Accelerometer, Gyroscope | Accelerometer, Gyro Sensor, Geomagnetic Sensor, RGB Light Sensor, Proximity Sensor, Compass | 
| 3.5mm Headphone Jack | Yes | Yes | 
| NFC | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP53 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.9 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Super Macro 2 MP ƒ/2.4 (Depth Sensor)  | 64 MP ƒ/1.8 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Depth Sensor) 5 MP ƒ/2.4 (Macro) Macro  | 
| Camera Sensor | Sony IMX682 | |
| Auto Focus | Yes | Yes | 
| Features | HDR, Night Mode 2.0, Magic Clone Photos, Long Exposure | Panorama, HDR | 
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 16 MP ƒ/2.45 (Main) | 32 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash  | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v11 | Android v10 | 
| Chipset | Qualcomm Snapdragon 732G | Qualcomm Snapdragon 730G | 
| CPU | 2.3 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor | 
| Core Details | 2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 
| GPU | Adreno 618 | Adreno 618 | 
| Java | No | No | 
| Browser | Yes, supports HTML5 | Yes, supports HTML5 | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | 
| Video | MP4, M4V, MKV, XVID | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | 
| FM Radio | Yes | Yes | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5020 mAh, Li-Po Battery | 7000 mAh, Li-Po Battery | 
| Fast Charging | Yes, 33W Fast Charging | Yes, 25W Fast Charging | 
| Reverse Charging | Yes | |
| Talk Time | 64 hours | |
| Music Playback Time | 182 hours | |