Samsung Galaxy M51 (8GB RAM + 128GB) vs OnePlus 15 5G (16GB RAM + 512GB)
Quick Comparison
OnePlus 15 5G (16GB RAM + 512GB) has better RAM than Samsung Galaxy M51 (8GB RAM + 128GB). In terms of display resolution, OnePlus 15 5G (16GB RAM + 512GB) has better resolution of 2772 x 1272 than Samsung Galaxy M51 (8GB RAM + 128GB) which has resolution of 2400 x 1080. OnePlus 15 5G (16GB RAM + 512GB) has more internal memory than Samsung Galaxy M51 (8GB RAM + 128GB)
| Name | Samsung Galaxy M51 (8GB RAM + 128GB) | OnePlus 15 5G (16GB RAM + 512GB) |
| RAM | 8 GB | 16 GB |
|---|---|---|
| Display | 6.7 in | 6.78 in |
| Internal Memory | 128 GB | 512 GB |
| Battery | 7000 mAh | 7300 mAh |
| Camera | 64 MP Quad | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 17999 | Rs. 79998 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 10, 2020. The cost of Samsung Galaxy M51 (8GB RAM + 128GB) is Rs. 17999. The launch Date of the second phone is October 27, 2025. The cost of OnePlus 15 5G (16GB RAM + 512GB) is Rs. 79998.
Display comparison
Samsung Galaxy M51 (8GB RAM + 128GB) has screen size of 6.7 inches which falls short to OnePlus 15 5G (16GB RAM + 512GB)'s 6.78 inch screen. Samsung Galaxy M51 (8GB RAM + 128GB) has Super AMOLED Plus Screen type where as OnePlus 15 5G (16GB RAM + 512GB) has LTPO AMOLED Screen type. OnePlus's phone has display density of 450 PPI & Samsung's phone has only 386 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 95.5% than Samsung's phone ~ 86.7%. Samsung Galaxy M51 (8GB RAM + 128GB) has 20:9 aspect ratio where as OnePlus 15 5G (16GB RAM + 512GB) has 20/9 aspect ratio.
Memory comparison
OnePlus 15 5G (16GB RAM + 512GB)'s larger 16 GB RAM is better for playing games and all with respect to Samsung Galaxy M51 (8GB RAM + 128GB)'s lower 8 GB RAM. OnePlus 15 5G (16GB RAM + 512GB) has more Internal Memory (512 GB) than Samsung Galaxy M51 (8GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy M51 (8GB RAM + 128GB)'s 64 MP Quad Rear Camera outclasses OnePlus 15 5G (16GB RAM + 512GB)'s 50 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 32 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 16 version.
Related Comparisons
Full Comparison
| Name | Samsung Galaxy M51 (8GB RAM + 128GB) | OnePlus 15 5G (16GB RAM + 512GB) |
| General | ||
| Country of Origin | India | |
| Model | M51 | CPH2745, CPH2747, PLK110 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.17 W/kg (Head) 1 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 10, 2020 | October 27, 2025 |
| In The Box | OnePlus 15, Charger, USB data cable, SIM Ejector Tool, Protective Case, Quick Guide | |
| Design | ||
| Dimensions | 76.3 x 163.9 x 9.5 mm | 76.7 x 161.4 x 8.1 mm |
| Weight | 213 g | 211 g |
| Colors | Infinite Black, Ultra Violet, Sand Storm | |
| Display | ||
| Type | Color Super AMOLED Plus Screen (16M Colors) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.7 inches, 1080 x 2400 pixels | 6.78 inches, 1272 x 2772 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20/9 |
| PPI | ~ 386 PPI | ~ 450 PPI |
| Screen to Body Ratio | ~ 86.7% | ~ 95.5% |
| Glass Type | Corning Gorilla Glass 3 | Corning Gorilla Glass Victus 2 |
| Brightness | 800 nits (typ), 1800 nits (HBM) | |
| Features | Sun Display, Reduce White Point, Eye Comfort Reminders, Motion Cues, Minimum 1nit, Eye Comfort for Gaming | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 16 GB |
| RAM Type | LPDDR5X Ultra Plus | |
| Storage | 128 GB | 512 GB |
| Storage Type | UFS 4.1 | |
| Card Slot | Yes, upto 512 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | 5G NR: n1/n2/n3/n5/n7/n8/n20/n26/n28/n38/n40/n41/n48/n66/n77/n78 | |
| 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 (802.11be), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi Display, WLAN Tethering, Wi-Fi 2.4GHz 2×2+Wi-Fi 5GHz 2×2 concurrent, Wi-Fi 5GHz 160MHz, 2×2 MIMO | |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, aptX Adaptive, LHDC 5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 4,187,391 (Total) (v10) | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Dual band: GPS(L1+L5), GLONASS(G1), BeiDou(B1I+B1C+B2a), Galileo(E1+E5a), QZSS(L1+L5), NavIC(L5) |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, RGB Light Sensor, Proximity Sensor, Compass | Proximity, Ambient Light, Color Temperature, E-compass, Accelerometer, Gyroscope, In-display Ultrasonic Fingerprint Sensor, Hall Sensor, Laser Focusing Sensor, Spectral Sensor, Infrared Remote Control |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | Yes |
| AI Features | Plus Mind, Gemini AI | |
| Water Resistance | Yes, 2 m upto 30 min | |
| IP Rating | IP66/IP68/IP69K/IP69 | |
| Dust Resistant | Yes | |
| Extra Features | OP Gaming Core, Touch Response Chip, G2 Wi-Fi Chip, Bypass Charging, 360° Cryo Velocity Cooling System | |
| Camera | ||
| Rear Camera | 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 | 50 MP ƒ/1.8 (Wide Angle) Sensor: Sony's IMX906, Lens Quantity: 6P, Optical Image Stabilization: Yes, Aperture: ƒ/1.8, Field of View: 84°, Autofocus: Yes 50 MP ƒ/2.8 (Telephoto) Sensor: S5KJN5 with 3.5X optical zoom, 7x optical quality zoom, Lens Quantity: 4P, Optical Image Stabilization: Yes, Aperture: ƒ/2.8, Field of View: 30°, Autofocus: Yes, Ultra Res (digital) Zoom: up to 120x zoom 50 MP ƒ/2 (Ultra Wide) Sensor: OV50D, Lens Quantity: 6P, Aperture: ƒ/2.0, Field of view: 116°, Autofocus: Yes |
| Camera Sensor | Sony IMX682 | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | Photo, Video, Portrait, Night, Panorama, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Underwater, Master, TEXT SCANNER, DOC SCANNER, TILT-SHIFT, PRO VIDEO |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 8K @ 30 fps UHD, 4K @ 120/60 fps UHD, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 32 MP ƒ/2.4 (Wide Angle) Sensor: Sony IMX709, Lens Quantity: 5P, Focal Length: 21 mm equivalent, Autofocus: Supported, Aperture: f/2.4 Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v10 | Android v16 |
| Custom UI | OxygenOS 16 | |
| Chipset | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | 2.2 GHz, Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M |
| GPU | Adreno 618 | Adreno 840 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | Dolby Vision, HDR10, HDR10+, +HLG, HDRViVid, MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, ASF, FLV, WEB |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Li-Po Battery | 7300 mAh, Si/C |
| Fast Charging | Yes, 25W Fast Charging | Yes, 120W SUPERVOOC Charging |
| Wireless Charging | Yes, 50W AIRVOOC | |
| Reverse Charging | Yes | Yes, 10W |
| Reverse Wireless Charging | Yes, 5W | |
| Talk Time | 64 hours | |
| Music Playback Time | 182 hours | |