Samsung Galaxy J7 Perx vs Samsung Galaxy S21 4G
Quick Comparison
Samsung Galaxy S21 4G has better RAM than Samsung Galaxy J7 Perx. In terms of display resolution, Samsung Galaxy S21 4G has better resolution of 2400 x 1080 than Samsung Galaxy J7 Perx which has resolution of 1280 x 720. Samsung Galaxy S21 4G has more internal memory than Samsung Galaxy J7 Perx
| Name | Samsung Galaxy J7 Perx | Samsung Galaxy S21 4G |
| RAM | 2 GB | 8 GB |
|---|---|---|
| Display | 5.5 in | 6.2 in |
| Internal Memory | 16 GB | 128 GB |
| Battery | 3300 mAh | 4000 mAh |
| Camera | 8 MP | 64 MP + 12 MP + 12 MP Triple |
| Price | Rs. 15999 | Rs. 54999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September, 2017. The cost of Samsung Galaxy J7 Perx is Rs. 15999. The cost of Samsung Galaxy S21 4G is Rs. 54999.
Display comparison
Samsung Galaxy S21 4G has larger screen size of 6.2 inches in comparison to Samsung Galaxy J7 Perx's 5.5 inch screen. Samsung Galaxy J7 Perx has AMOLED Screen type where as Samsung Galaxy S21 4G has Screen type. Samsung Galaxy S21 4G has display density of 421 PPI & Samsung Galaxy J7 Perx has only 267 PPI display density. Samsung Galaxy J7 Perx has 16:9 aspect ratio where as Samsung Galaxy S21 4G has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy S21 4G's larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy J7 Perx's lower 2 GB RAM. Samsung Galaxy S21 4G has more Internal Memory (128 GB) than Samsung Galaxy J7 Perx (16 GB).
Camera comparison
Samsung Galaxy S21 4G's 64 MP + 12 MP + 12 MP Triple Rear Camera outshines Samsung Galaxy J7 Perx's 8 MP Rear Camera in terms of resolution. Samsung Galaxy S21 4G will be better choice if you're looking to click lot of selfies as it has better 10 MP Front Camera in comparison to Samsung Galaxy J7 Perx's 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 7.0 and the second one on 11 version.
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Full Comparison
| Name | Samsung Galaxy J7 Perx | Samsung Galaxy S21 4G |
| General | ||
| Model | Galaxy S21 | |
| 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 | September, 2017 | |
| Design | ||
| Dimensions | 71.2 x 151.7 x 7.9 mm | |
| Weight | 169 g | |
| Display | ||
| Type | Color AMOLED Screen | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 5.5 inches, 720 x 1280 pixels | 6.2 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 16:9 | 20:9 |
| PPI | ~ 267 PPI | ~ 421 PPI |
| Screen to Body Ratio | ~ 87.2% | |
| Glass Type | Corning Gorilla Glass Victus | |
| Features | Always-on Display, HDR10+ | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 2 GB | 8 GB |
| Storage | 16 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 64 GB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.1 | Yes, v5.0, 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 | No | 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 | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Features | Face detection, Touch to focus | 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, LED | Yes, LED |
| Front Camera | 5 MP | 10 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v7.0 (Nougat) | Android v11 |
| Chipset | Qualcomm Snapdragon 625 | Samsung Exynos 2100 |
| CPU | 2.2 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 | Mali-T830 MP2 | 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 | Non-Removable Battery | Non-Removable Battery |
| Size | 3300 mAh, Li-ion Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | |