Samsung Galaxy S21 Design and Display
New Release Updated: Apr 2026

Samsung Galaxy S21

$399 (Expected Price)
Tech Expert

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.

Display 6.2" AMOLED
Processor Exynos 2100
Battery 4000mAh
RAM & Storage 128GB/256GB storage, no card slot
Full Specs

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.

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