Samsung Galaxy M21 (6GB RAM + 128GB) vs OnePlus N6 5G (6GB RAM + 128GB)
Quick Comparison
Both Samsung Galaxy M21 (6GB RAM + 128GB) and OnePlus N6 5G (6GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy M21 (6GB RAM + 128GB) has better resolution of 2340 x 1080 than OnePlus N6 5G (6GB RAM + 128GB) which has resolution of 1570 x 720. Both have the same amount of internal memory.
| Name | Samsung Galaxy M21 (6GB RAM + 128GB) | OnePlus N6 5G (6GB RAM + 128GB) |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.4 in | 6.8 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 8000 mAh |
| Camera | 48 MP + 8 MP + 5 MP Triple | 50 MP Dual |
| Price | Rs. 14499 | Rs. 24999 |
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Detailed Comparison
Price And Launch
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 June 30, 2026. The cost of OnePlus N6 5G (6GB RAM + 128GB) is Rs. 24999.
Display comparison
Samsung Galaxy M21 (6GB RAM + 128GB) has screen size of 6.4 inches which falls short to OnePlus N6 5G (6GB RAM + 128GB)'s 6.8 inch screen. Samsung Galaxy M21 (6GB RAM + 128GB) has Super AMOLED Screen type where as OnePlus N6 5G (6GB RAM + 128GB) has LCD Screen type. Samsung's phone has display density of 403 PPI & OnePlus's phone has only 254 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 90.4% than Samsung's phone ~ 84.2%. Samsung Galaxy M21 (6GB RAM + 128GB) has 19.5:9 aspect ratio where as OnePlus N6 5G (6GB RAM + 128GB) has 19.6:9 aspect ratio.
Memory comparison
Both mobiles come with 6 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
OnePlus N6 5G (6GB RAM + 128GB)'s 50 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. Samsung Galaxy M21 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to OnePlus N6 5G (6GB RAM + 128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 16 version.
Related Comparisons
Full Comparison
| Name | Samsung Galaxy M21 (6GB RAM + 128GB) | OnePlus N6 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | Galaxy M21 | N6 |
| 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 | June 30, 2026 |
| In The Box | Phone, Charger, USB Data Cable, SIM Ejector Tool, Protective Case, Quick Guide | |
| Design | ||
| Dimensions | 75.1 x 159 x 8.9 mm | 78.23 x 166.47 x 8.88 mm |
| Weight | 188 g | 224 g |
| Colors | Fresh Mint, Midnight Green | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color LCD Screen |
| Touch | Yes | Yes |
| Size | 6.4 inches, 1080 x 2340 pixels | 6.8 inches, 720 x 1570 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 19.6:9 |
| PPI | ~ 403 PPI | ~ 254 PPI |
| Screen to Body Ratio | ~ 84.2% | ~ 90.4% |
| Glass Type | Corning Gorilla Glass 3 | |
| Brightness | 975 nits (Typical), HBM: 1200 nits (Typical) | |
| Features | 420 nits (peak) | Eye Protection Mode, Sleep Mode, Screen Refresh Rate Switching, Smart Switch Refresh Rate, Screen Color Temperature Adjustment, Dark Mode, Screen Color Mode, Manual Brightness Adjustment |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 6 GB |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 512 GB | Yes, upto 2 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go |
| Performance | ||
| AnTuTu Score | 615,800 (Total) (v11) | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with GPS, BDS, GLONASS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| Cooling System | 5300mm² Vapor Chamber, Heat Dissipation Area 13280 mm² | |
| AI Features | AI Portrait Glow, AI Eraser, AI Perfect Shot, AI Unblur, AI Reflection Eraser, AI Recompose, AI Detail Boost | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Extra Features | Military-grade Standard MIL-STD-810H, Fluid Flagship Body, Night Charging Mode, ArmorShell Protection | |
| 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/1.8 (Wide Angle) CMOS (4-in-1), Digital Up to 10x Digital |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | Night, Video, Photo, Portrait, Pro, Hi-Res, Pano, Slo-Mo, Time-Lapse, Dual-view video, Textscanner, 1080P video: 60 fps (6GB), 30 fps (with Retouch on), 720P video: 60 fps (6GB), 30 fps, 720P SLO-MO video: 120 fps, 1080P Time-Lapse: 30 fps, Supports Dual-view video shooting, Supports video zoom shooting: up to 10× digital zoom |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2 (Wide Angle) | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10.0, upgradable to v11 | Android v16 |
| Custom UI | OxygenOS 16.0 | |
| Chipset | Samsung Exynos 9611 | MediaTek Dimensity 6360 Apex |
| CPU | 2.3 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | |
| GPU | Mali-G72 MP3 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | Decoder: MP3, AMRNB, AMRWB, AAC, G711-ALAW, G711-MLAW, VORBIS, OPUS, RAW, FLAC, GSM, Encoder: AAC, AMRNB, AMRWB, FLAC, OPUS |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | H.264, HEVC, VP9, VP8, AV1, MPEG4, 3GPP |
| FM Radio | Yes | No |
| Audio Features | 400% Ultra Volume | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 8000 mAh |
| Fast Charging | Yes, 15W Fast Charging | Yes, 45W SUPERVOOC Fast Charge |
| Reverse Charging | Yes, 5W | |
| Bypass Charging | Yes | |