Celkon Diamond U 4G (2GB RAM+16GB) vs Samsung Galaxy S21 Ultra
Quick Comparison
Samsung Galaxy S21 Ultra has better RAM than Celkon Diamond U 4G (2GB RAM+16GB). In terms of display resolution, Samsung Galaxy S21 Ultra has better resolution of 3200 x 1440 than Celkon Diamond U 4G (2GB RAM+16GB) which has resolution of 1280 x 720. Samsung Galaxy S21 Ultra has more internal memory than Celkon Diamond U 4G (2GB RAM+16GB)
| Name | Celkon Diamond U 4G (2GB RAM+16GB) | Samsung Galaxy S21 Ultra |
| RAM | 2 GB | 12 GB |
|---|---|---|
| Display | 5 in | 6.8 in |
| Internal Memory | 16 GB | 256 GB |
| Battery | 2500 mAh | 5000 mAh |
| Camera | 8 MP | 108 MP Quad |
| Price | Rs. 5499 | Rs. 58990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is February, 2017. The cost of Celkon Diamond U 4G (2GB RAM+16GB) is Rs. 5499. The launch Date of the second phone is January 14, 2021. The cost of Samsung Galaxy S21 Ultra is Rs. 58990.
Display comparison
Samsung Galaxy S21 Ultra has larger screen size of 6.8 inches in comparison to Celkon Diamond U 4G (2GB RAM+16GB)'s 5 inch screen. Celkon Diamond U 4G (2GB RAM+16GB) has IPS Screen type where as Samsung Galaxy S21 Ultra has Screen type. Samsung's phone has display density of 515 PPI & Celkon's phone has only 294 PPI display density. Celkon Diamond U 4G (2GB RAM+16GB) has 16:9 aspect ratio where as Samsung Galaxy S21 Ultra has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy S21 Ultra's larger 12 GB RAM is better for playing games and all with respect to Celkon Diamond U 4G (2GB RAM+16GB)'s lower 2 GB RAM. Samsung Galaxy S21 Ultra has more Internal Memory (256 GB) than Celkon Diamond U 4G (2GB RAM+16GB) (16 GB).
Camera comparison
Samsung Galaxy S21 Ultra's 108 MP Quad Rear Camera outshines Celkon Diamond U 4G (2GB RAM+16GB)'s 8 MP Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra will be better choice if you're looking to click lot of selfies as it has better 40 MP Front Camera in comparison to Celkon Diamond U 4G (2GB RAM+16GB)'s 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 6.0 and the second one on 10 version.
Related Comparisons
Full Comparison
| Name | Celkon Diamond U 4G (2GB RAM+16GB) | Samsung Galaxy S21 Ultra |
| General | ||
| Model | Galaxy S21 Ultra 5G | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| Device Type | Smartphone | Smartphone |
| Release Date | February, 2017 | January 14, 2021 |
| Design | ||
| Dimensions | 75.6 x 165.1 x 8.9 mm | |
| Weight | 227 g | |
| Display | ||
| Type | Color IPS Screen | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 5 inches, 720 x 1280 pixels | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 16:9 | 20:9 |
| PPI | ~ 294 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 89.8% | |
| Glass Type | Corning Gorilla Glass Victus | |
| Features | Always-on Display, HDR10+, Curved Display | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 2 GB | 12 GB |
| Storage | 16 GB | 256 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 32 GB | No |
| 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, v4.0 | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v3.2 | |
| USB Features | USB on-the-go, USB Charging | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 8 MP | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | |
| Features | Face detection, Touch to focus | Auto-HDR, Panorama |
| Video Recording | 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 | 5 MP | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v6.0 (Marshmallow) | Android v10 |
| Chipset | Samsung Exynos 2100 | |
| CPU | 1.3 GHz, Quad Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | |
| GPU | Mali-G78 MP14 | |
| Java | Yes, via 3rd party | No |
| Browser | Yes | |
| Multimedia | ||
| Yes | ||
| Music | Yes | |
| Video | Yes | |
| FM Radio | No | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 2500 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | |