New Release
Updated: Mar 2026
Samsung Galaxy S21
$399
(Expected Price)
Reviewed by the MobGadgets Tech Team
We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.
Should you buy the Samsung Galaxy S21?
Reasons to Buy
- Massive 6000 mAh battery life
- Large 6.7" display for media
- Excellent value at $399
Reasons to Avoid
- May be bulky due to large battery
- Average camera performance in low light
Full Specifications
Unofficial preliminary specifications
Not to be confused with Samsung Galaxy S21 5G. Samsung Galaxy S21 LTE only model has been cancelled.
- Network Technology: GSM / CDMA / HSPA / EVDO / LTE
- Launch Announced: Not announced yet Status: Cancelled
- Body Dimensions: 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) Weight: 169 g (5.96 oz) Build: Glass front (Gorilla Glass Victus), plastic back, aluminum frame SIM: Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) - : IP68 dust/water resistant (up to 1.5m for 30 min)
- Display Type: Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) Size: 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio) Resolution: 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) Protection: Corning Gorilla Glass Victus - : Always-on display
- Platform
OS: Android 11, One UI 3.1
Chipset: Exynos 2100 (5 nm) - International
Qualcomm SM8350 Snapdragon 888 5G (5 nm) CPU: Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 GPU: Mali-G78 MP14 - International
Adreno 660
- Memory Card slot - No Internal: 128GB 8GB RAM, 256GB 8GB RAM
- : UFS 3.X
- Main Camera
Triple: 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video Features: LED flash, auto-HDR, panorama Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
- Selfie camera Single: 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF Features: Dual video call, Auto-HDR Video: 4K@30/60fps, 1080p@30fps
- Sound Loudspeaker : Yes, with stereo speakers 3.5mm jack : No
- : 32-bit/384kHz audio
Tuned by AKG
- Comms WLAN: Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Bluetooth: 5.0, A2DP, LE Positioning: GPS, GLONASS, BDS, GALILEO NFC: Yes Radio: FM radio (Snapdragon model only; market/operator dependent) USB: USB Type-C 3.2, OTG
- Features Sensors: Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
- : Samsung DeX, Samsung Wireless DeX (desktop experience support)
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
- Battery
Type: Li-Ion 4000 mAh, non-removable
Charging: 25W wired, PD3.0
15W wireless (Qi/PMA)
4.5W reverse wireless
- Misc Colors: Phantom Gray, Phantom White, Phantom Violet, Phantom Pink Models: SM-G990F, SM-G990F/DS
Frequently Asked Questions
With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.
Yes, to complement its massive 6000 mAh battery, it features standard fast charging capabilities to get you back up and running quickly.
Top Alternatives
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