OnePlus 15R 5G vs Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
Quick Comparison
Both OnePlus 15R 5G and Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has better resolution of 3200 x 1440 than OnePlus 15R 5G which has resolution of 2800 x 1272. OnePlus 15R 5G has more internal memory than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
| Name | OnePlus 15R 5G | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.83 in | 6.8 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7400 mAh | 5000 mAh |
| Camera | 50 MP + 8 MP Dual | 108 MP Quad |
| Price | Rs. 47999 | Rs. 101999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is December 17, 2025. The cost of OnePlus 15R 5G is Rs. 47999. The launch Date of the second phone is January 14, 2021. The Expected cost of Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) is Rs. 101999.
Display comparison
OnePlus 15R 5G has larger screen size of 6.83 inches in comparison to Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 6.8 inch screen. OnePlus 15R 5G has AMOLED Screen type where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has Screen type. Samsung's phone has display density of 515 PPI & OnePlus's phone has only 450 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 90.1% than Samsung's phone ~ 89.8%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Both phones come with 12 GB RAM OnePlus 15R 5G has more Internal Memory (256 GB) than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 108 MP Quad Rear Camera outshines OnePlus 15R 5G's 50 MP + 8 MP Dual Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 40 MP Front Camera in comparison to OnePlus 15R 5G's 32 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
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Full Comparison
| Name | OnePlus 15R 5G | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | CPH2767 | 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 | December 17, 2025 | January 14, 2021 |
| In The Box | OnePlus 15R, Charger, USB Data Cable, SIM Ejector Tool, Protective Case, Quick Guide | |
| Design | ||
| Dimensions | 77 x 163.4 x 8.1 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 213 g | 227 g |
| Bezel less | No | |
| Colors | Charcoal Black, Mint Breeze, Electric Violet | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.83 inches, 1272 x 2800 pixels, 165 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 450 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 90.1% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass 7i | Corning Gorilla Glass Victus |
| Brightness | 1800 nits (HBM), 3600 nits (peak) | |
| Features | PWM, HDR10+, HDR Vivid, Sun Display, Reduce White Point, Eye Comfort Reminders, Motion Cues, Eye Comfort for Gaming, Color Enhancement, Color Appearance Model | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4.1 | UFS 3.1 |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0 | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1C+B2a), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5) | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP66, IP68, IP69 & IP69K | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Bypass Charging, Wi-Fi G2 Chip | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| Camera Sensor | Sony's IMX906 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Google Lens, PRO, Hypertext, DOC SCANNER | Auto-HDR, Panorama |
| Video Recording | 4K @ 120 fps UHD, 1080p | 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) Punch Hole, Screen Flash | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | ColorOS 16 | |
| Chipset | Qualcomm Snapdragon 8 Gen5 | Samsung Exynos 2100 |
| CPU | 3.84 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 2x3.84 GHz Cortex-A76 & 6xX.x GHz | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Adreno | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 | Yes |
| Video | Dolby Vision, HDR10, HDR10+, +HLG, HDRViVid, MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, ASF, FLV, WEB | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7400 mAh, Si/C | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W SUPERVOOC Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes | Yes, 4.5W |