Asus Zenfone Selfie ZD551KL (16GB) vs Samsung Galaxy S21 Ultra
Quick Comparison
Samsung Galaxy S21 Ultra has better RAM than Asus Zenfone Selfie ZD551KL (16GB). In terms of display resolution, Samsung Galaxy S21 Ultra has better resolution of 3200 x 1440 than Asus Zenfone Selfie ZD551KL (16GB) which has resolution of 1080 x 1920. Samsung Galaxy S21 Ultra has more internal memory than Asus Zenfone Selfie ZD551KL (16GB)
| Name | Asus Zenfone Selfie ZD551KL (16GB) | Samsung Galaxy S21 Ultra |
| RAM | 2 GB | 12 GB |
|---|---|---|
| Display | 5.5 in | 6.8 in |
| Internal Memory | 16 GB | 256 GB |
| Battery | 3000 mAh | 5000 mAh |
| Camera | 13 MP | 108 MP Quad |
| Price | Rs. 5999 | Rs. 58990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is August, 2015. The cost of Asus Zenfone Selfie ZD551KL (16GB) is Rs. 5999. 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 Asus Zenfone Selfie ZD551KL (16GB)'s 5.5 inch screen. Asus Zenfone Selfie ZD551KL (16GB) has IPS LCD Screen type where as Samsung Galaxy S21 Ultra has Screen type. Samsung's phone has display density of 515 PPI & Asus's phone has only 401 PPI display density. In terms of screen to body ratio, Samsung's phone has better screen to body ratio of ~ 89.8% than Asus's phone ~ 68.3%. Asus Zenfone Selfie ZD551KL (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 Asus Zenfone Selfie ZD551KL (16GB)'s lower 2 GB RAM. Samsung Galaxy S21 Ultra has more Internal Memory (256 GB) than Asus Zenfone Selfie ZD551KL (16GB) (16 GB).
Camera comparison
Samsung Galaxy S21 Ultra's 108 MP Quad Rear Camera outclasses Asus Zenfone Selfie ZD551KL (16GB)'s 13 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 Asus Zenfone Selfie ZD551KL (16GB)'s 13 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 5.0 and the second one on 10 version.
Related Comparisons
Full Comparison
| Name | Asus Zenfone Selfie ZD551KL (16GB) | Samsung Galaxy S21 Ultra |
| General | ||
| Model | Zenfone Selfie ZD551KL (16GB) | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Micro+Micro SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | August, 2015 | January 14, 2021 |
| Design | ||
| Dimensions | 77.2 x 156.5 x 10.8 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 170 g | 227 g |
| Design Type | Classic (Candybar) | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 5.5 inches, 1920 x 1080 pixels | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 16:9 | 20:9 |
| PPI | ~ 401 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 68.3% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass Victus | |
| Features | Corning Gorilla 4 Glass | 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 128 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes 42 Mbps Download 5.76 Mbps Upload | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.0 | Yes, v5.2, A2DP, LE |
| USB | Yes, microUSB v2.0 | 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, In Display | |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyroscope, Compass | 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 | 13 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 | Yes |
| Features | Auto-HDR, Panorama | |
| Video Recording | 1080p @ 30 fps FHD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 13 MP Dual LED Flash | 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 v5.0 (Lollipop), upgradable to v6.0 (Marshmallow) | Android v10 |
| Chipset | Qualcomm Snapdragon 615 | Samsung Exynos 2100 |
| CPU | 1.7 GHz, Octa 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 | Adreno 405 | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3/WAV/eAAC+ | Yes |
| Video | MP4/H.264 | Yes |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 3000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | |