Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs OnePlus 15R 5G
Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and OnePlus 15R 5G. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs OnePlus 15R 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 Ultra 5G (12GB RAM … stands against OnePlus 15R 5G and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra 5G (12GB RAM … is ₹1,01,999 and for OnePlus 15R 5G is ₹54,999. The details of both of these products were last updated on Jun 02, 2026.
| Specification | Samsung Galaxy S21 Ultra 5G (12GB RAM … | OnePlus 15R 5G |
|---|---|---|
| Rear Camera | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 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 |
| RAM | 12 GB | 12 GB |
| CPU | 2.9 GHz, Octa Core Processor | 3.84 GHz, Octa Core Processor |
| Internal Memory | 128 GB | 256 GB |
| Battery | 5000 mAh, Li-Po Battery | 7400 mAh, Si/C |
| Price | ₹1,01,999 | ₹54,999 |
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Overview
| Specs Score | 80 / 100 | 83 / 100 Better Specs |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1272 x 2800 pixels |
| Storage | 128 GB | 256 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 3.84 GHz Faster Clock Speed |
| Rear Camera | 108 MP Quad Better Camera Resolution | 50 MP + 8 MP Dual |
| Front Camera | 40 MP Better Front Camera Resolution | 32 MP |
| Weight | 227 g | 213 g Lighter |
| Thickness | 8.9 mm | 8.1 mm Slimmer |
| Battery | 5000 mAh | 7400 mAh Bigger Battery |
| Unique Features | Wireless Charging No | No IR Blaster |
General
| Country of Origin | India | |
| Model | Galaxy S21 Ultra 5G | CPH2767 |
| 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 | January 14, 2021 | December 17, 2025 |
| In The Box | OnePlus 15R, Charger, USB Data Cable, SIM Ejector Tool, Protective Case, Quick Guide |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 77 x 163.4 x 8.1 mm |
| Weight | 227 g | 213 g |
| Bezel less | No | |
| Colors | Charcoal Black, Mint Breeze, Electric Violet |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.83 inches, 1272 x 2800 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 450 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 90.1% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass 7i |
| Brightness | 1800 nits (HBM), 3600 nits (peak) | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+ |
| Features | Always-on Display, HDR10+ | PWM, HDR10+, HDR Vivid, Sun Display, Reduce White Point, Eye Comfort Reminders, Motion Cues, Eye Comfort for Gaming, Color Enhancement, Color Appearance Model |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 4.1 |
| 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, v5.2, A2DP, LE | Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes |
Performance
| AnTuTu Score | 2,787,284 (Total) (v11) 878,250 (CPU) 901,173 (GPU) 372,396 (Memory) 635,465 (UX) | |
| AnTuTu Storage Score | 148,599 | |
| Geekbench Score | 9,178 (Multi Core) (v6) 2,818 (Single Core) 17,665 (OpenCL) 20,709 (Vulkan) | |
| 3DMark Score | 4,918 (Wild Life Extreme) |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1C+B2a), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro, Proximity, Compass |
| 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 | IP68 | IP66, IP68, IP69 & IP69K |
| Dust Resistant | Yes | Yes |
| Extra Features | Bypass Charging, Wi-Fi G2 Chip |
Camera
| Rear Camera | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 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 |
| Camera Sensor | Sony's IMX906 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Google Lens, PRO, Hypertext, DOC SCANNER |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K @ 120 fps UHD, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 32 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
Technical
| OS | Android v10 | Android v16 |
| Custom UI | ColorOS 16 | |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Gen5 |
| CPU | 2.9 GHz, Octa Core Processor | 3.84 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 2x3.84 GHz Cortex-A76 & 6xX.x GHz |
| GPU | Mali-G78 MP14 | Adreno |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | Yes | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 |
| Video | Yes | Dolby Vision, HDR10, HDR10+, +HLG, HDRViVid, MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, ASF, FLV, WEB |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 7400 mAh, Si/C |
| Fast Charging | Yes, 25W Fast Charging | Yes, 80W SUPERVOOC Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | Yes |
| Bypass Charging | Yes |
Discuss
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