OnePlus 13T vs Karbonn X21
Quick Comparison
OnePlus 13T has better RAM than Karbonn X21. In terms of display resolution, OnePlus 13T has better resolution of 2160 x 1440 than Karbonn X21 which has resolution of 720 x 1440. OnePlus 13T has more internal memory than Karbonn X21
| Name | OnePlus 13T | Karbonn X21 |
| RAM | 12 GB | 2 GB |
|---|---|---|
| Display | 6.32 in | 5.45 in |
| Internal Memory | 256 GB | 32 GB |
| Battery | 6260 mAh | 3000 mAh |
| Camera | 50 MP + 50 MP Dual | 8 MP |
| Price | Rs. 39990 | Rs. 5989 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April 24, 2025. The Expected cost of OnePlus 13T is Rs. 39990. The cost of Karbonn X21 is Rs. 5989.
Display comparison
OnePlus 13T has larger screen size of 6.32 inches in comparison to Karbonn X21's 5.45 inch screen. OnePlus 13T has LTPO AMOLED Screen type where as Karbonn X21 has Screen type. OnePlus's phone has display density of 411 PPI & Karbonn's phone has only 295 PPI display density. OnePlus 13T has 20:9 aspect ratio where as Karbonn X21 has 18:9 aspect ratio.
Memory comparison
OnePlus 13T's larger 12 GB RAM is better for playing games and all with respect to Karbonn X21's lower 2 GB RAM. OnePlus 13T has more Internal Memory (256 GB) than Karbonn X21 (32 GB).
Camera comparison
OnePlus 13T's 50 MP + 50 MP Dual Rear Camera outshines Karbonn X21's 8 MP Rear Camera in terms of resolution. OnePlus 13T will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Karbonn X21's 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 10 version.
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Full Comparison
| Name | OnePlus 13T | Karbonn X21 |
| General | ||
| Model | X21, X21 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | eSIM SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | April 24, 2025 | |
| Design | ||
| Dimensions | 71.8 x 147.5 x 9.35 mm | |
| Weight | 185 g | 160 g |
| Colors | Black, Gray, Pink | |
| Display | ||
| Type | Color LTPO AMOLED Screen (1B Colors) | Color HD+ FullView Display |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.32 inches, 1440 x 2160 pixels, 120 Hz | 5.45 inches, 1440 x 720 pixels |
| Aspect Ratio | 20:9 | 18:9 |
| PPI | ~ 411 PPI | ~ 295 PPI |
| Screen to Body Ratio | ~ 94.1% | |
| Brightness | 1600 nits (HBM) | |
| Features | Dolby Vision, HDR10+, HDR Vivid | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 12 GB | 2 GB |
| RAM Type | LPDDR5X | |
| Storage | 256 GB | 32 GB |
| Storage Type | UFS 4 | |
| Card Slot | No | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 (802.11be) | |
| Bluetooth | Yes, v5.4 | Yes, v4.2 |
| USB | Yes, USB-C v2.0 | Yes, microUSB |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes with A-GPS | Yes |
| Fingerprint Sensor | Yes, In Display | |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 1/1.56", 1.0µm, multi-directional PDAF, OIS 50 MP (Telephoto) 1/2.76", 0.64µm, 2x optical zoom, PDAF, OIS | 8 MP |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Laser Focus, Color Spectrum Sensor, HDR, Panorama | Panorama, Burst Mode, Time Lapse, Face Beauty, Night Mode |
| Video Recording | 4K, 1080p | 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.4 (Wide Angle) Punch Hole, Screen Flash | 5 MP LED Flash |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v15 | Android v10 |
| Custom UI | OxygenOS 15 | |
| Chipset | Qualcomm Snapdragon 8 Elite | Unisoc SC9863 |
| CPU | 4.32 GHz, Octa Core Processor | 1.6 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | |
| GPU | Adreno 830 | |
| 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 | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Removable Battery |
| Size | 6260 mAh, Si/C | 3000 mAh |
| Fast Charging | Yes, 80W SUPERVOOC Charging | |
| Reverse Charging | Yes | Yes |