Samsung Galaxy M31 vs Samsung Galaxy S21 Ultra
Here you can compare Samsung Galaxy M31 and Samsung Galaxy S21 Ultra. Comparing Samsung Galaxy M31 vs Samsung Galaxy S21 Ultra on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy M31 stands against Samsung Galaxy S21 Ultra and which one should you buy The current lowest price found for Samsung Galaxy M31 is ₹12,990 and for Samsung Galaxy S21 Ultra is ₹47,990. The details of both of these products were last updated on Jun 02, 2026.
| Specification | Samsung Galaxy M31 | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS | Android v10.0, upgradable to v12 | Android v10 |
| Battery | 6000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Display | 6.4 inches, 1080 x 2340 pixels | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| CPU | 2.3 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Internal Memory | 64 GB | 256 GB |
| Price | ₹12,990 | ₹47,990 |
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Overview
| Specs Score | 54 / 100 | 77 / 100 Better Specs |
| Display Size | 6.4 in | 6.8 in Bigger Display |
| Display Resolution | 1080 x 2340 pixels | 1440 x 3200 pixels Better Resolution |
| Screen To Body Ratio | ~ 84.1% | ~ 89.8% Less Bezels |
| RAM | 6 GB | 12 GB More RAM |
| Storage | 64 GB | 256 GB More Storage |
| CPU Clock Speed | 2.3 GHz | 2.9 GHz Faster Clock Speed |
| Rear Camera | 64 MP Quad | 108 MP Quad Better Camera Resolution |
| Front Camera | 32 MP | 40 MP Better Front Camera Resolution |
| Weight | 191 g Lighter | 227 g |
| Battery | 6000 mAh Bigger Battery | 5000 mAh |
| Unique Features | No 3.5mm Audio Jack FM Radio No No Memory Card Support No No | 5G No No Water Resistant NFC No Wireless Charging Reverse Charging |
General
| Model | Galaxy M31 | Galaxy S21 Ultra 5G |
| 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 | February 25, 2020 | January 14, 2021 |
Design
| Dimensions | 75.1 x 159.2 x 8.9 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 191 g | 227 g |
Display
| Type | Color Super AMOLED Screen (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.4 inches, 1080 x 2340 pixels | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 411 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 84.1% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass 3 | Corning Gorilla Glass Victus |
| HDR Support | Yes, HDR10+ | |
| Features | Always-on Display, HDR10+, Curved Display | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 6 GB | 12 GB |
| Storage | 64 GB | 256 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 512 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 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, v5.2, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
Extra
| GPS | yes with A-GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, Rear | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity sensor, Accelerometer, Gyro Sensor, Virtual Light Sensing, Compass | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | No | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Extra Features | UFS 2.1 |
Camera
| Rear Camera | 64 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Macro) Macro 5 MP ƒ/2.2 (Depth Sensor) | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | Auto-HDR, Panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
Technical
| OS | Android v10.0, upgradable to v12 | Android v10 |
| Chipset | Samsung Exynos 9611 | Samsung Exynos 2100 |
| CPU | 2.3 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Mali-G72 MP3 | Mali-G78 MP14 |
| 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 | Yes |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | Yes |
| FM Radio | Yes, with FM Recording | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | |
| Talk Time | 2 days | |
| Music Playback Time | 119 hours |
Discuss
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