Samsung Galaxy S21 4G vs Tecno Spark 40
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Overview
| Specs Score | 70 / 100 Better Specs | 50 / 100 |
| Display Size | 6.2 in | 6.67 in Bigger Display |
| Display Resolution | 1080 x 2400 pixels Better Resolution | 720 x 1600 pixels |
| RAM | 8 GB More RAM | 4 GB |
| CPU Clock Speed | 2.9 GHz Faster Clock Speed | 2 GHz |
| Rear Camera | 64 MP + 12 MP + 12 MP Triple | 50 MP Better Camera Resolution |
| Front Camera | 10 MP Better Front Camera Resolution | 8 MP |
| Weight | 169 g Lighter | |
| Battery | 4000 mAh | 5200 mAh Bigger Battery |
| Unique Features | No No NFC No Wireless Charging Reverse Charging No | 3.5mm Audio Jack FM Radio No Memory Card Support No No IR Blaster |
General
| Model | Galaxy S21 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 02, 2025 |
Design
| Dimensions | 71.2 x 151.7 x 7.9 mm | 77 x 165.6 x 7.7 mm |
| Weight | 169 g | |
| Bezel less | No | |
| Colors | Ink Black, Titanium Grey, Veil White, Mirage Blue |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color IPS Screen |
| Touch | Yes | Yes |
| Size | 6.2 inches, 1080 x 2400 pixels, 120 Hz | 6.67 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20:9 | |
| PPI | ~ 421 PPI | ~ 263 PPI |
| Screen to Body Ratio | ~ 87.2% | ~ 84.2% |
| Glass Type | Corning Gorilla Glass Victus | |
| Features | Always-on Display, HDR10+ | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 8 GB | 4 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes |
| USB | Yes, USB-C v3.2 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Software Gyroscope, Infrared Remote Control |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m |
| IP Rating | IP68 | IP64 |
| 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) | 50 MP (Wide Angle) |
| OIS | Yes | |
| Auto Focus | Yes | |
| Features | Auto-HDR, Panorama | |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 10 MP ƒ/2.2 (Wide Angle) Punch Hole | 8 MP (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v11 | Android v15 |
| Chipset | Samsung Exynos 2100 | Mediatek Helio G81 |
| CPU | 2.9 GHz, Octa Core Processor | 2 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-G52 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 5200 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 45W |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W |
Discuss
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