Samsung Galaxy S21 vs Samsung Galaxy S9
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Overview
| Specs Score | 86 / 100 Better Specs | 71 / 100 |
| Display Size | 6.2 in Bigger Display | 5.8 in |
| Display Resolution | 1080 x 2400 pixels | 1440 x 2960 pixels Better Resolution |
| RAM | 8 GB More RAM | 4 GB |
| Storage | 128 GB More Storage | 64 GB |
| Front Camera | 10 MP Better Front Camera Resolution | 8 MP |
| Thickness | 7.9 mm Slimmer | 8.5 mm |
| Battery | 4000 mAh Bigger Battery | 3000 mAh |
| Unique Features | 5G No No No Reverse Charging | No 3.5mm Audio Jack FM Radio Memory Card Support No |
General
| Model | Galaxy S21 5G | Galaxy S9 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | February, 2018 |
Design
| Dimensions | 71.2 x 151.7 x 7.9 mm | 68.7 x 147.69 x 8.5 mm |
| Weight | 169 g | 163 g |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color Super AMOLED Screen (16M colors Colors) |
| Touch | Yes | Yes |
| Size | 6.2 inches, 1080 x 2400 pixels, 120 Hz | 5.8 inches, 1440 x 2960 pixels |
| Aspect Ratio | 20:9 | 18.5:9 |
| PPI | ~ 421 PPI | ~ 568 PPI |
| Screen to Body Ratio | ~ 87.2% | ~ 83.6% |
| Glass Type | Corning Gorilla Glass Victus | |
| Features | Always-on Display, HDR10+ | Corning Gorilla Glass 5 Screen Protection, Curved Display |
| Notch | Yes, Punch Hole | |
| Curved Display | Yes |
Memory
| RAM | 8 GB | 4 GB |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, (Hybrid Slot), upto 512 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.1 |
| USB Features | USB on-the-go, USB Charging |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS Support |
| Fingerprint Sensor | Yes, In Display | Yes |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyroscope, Compass |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 12 MP |
| OIS | Yes | |
| Auto Focus | Yes, PDAF | |
| Features | Auto-HDR, Panorama | Face detection, Smile detection, Geo tagging, Panorama, Touch to focus |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K @ 60 fps UHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 10 MP ƒ/2.2 (Wide Angle) Punch Hole | 8 MP Autofocus |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
Technical
| OS | Android v10 | Android v8.0 (Oreo) |
| Chipset | Samsung Exynos 2100 | Samsung Exynos 9810 |
| CPU | 2.9 GHz, Octa Core Processor | 2.8 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 | Mali-G72 MP18 |
| Java | No | Yes, via 3rd party |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Supports | MMS, Instant Messaging, Voice Commands | |
| Yes | Yes, with Push Email | |
| Music | Yes | MP3, WAV, eAAC+, FLAC |
| Video | Yes | MP4, DivX, XviD |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 3000 mAh, Li-ion Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, Quick Charge 2.0 |
| Wireless Charging | Yes, 15W | Yes |
| Reverse Charging | Yes, 4.5W |
Discuss
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