Rate this phone
Tap stars for each category (1–10). One submission per email.
Samsung Galaxy S21 Specifications
Unofficial preliminary specifications Not to be confused with Samsung Galaxy S21 5G. Samsung Galaxy S21 LTE only model has been cancelled.
Samsung
8 GB RAM · Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm)
- Cancelled
- 169g, 7.9mm thickness
- Android 11, up to 4 major upgrades
- 128GB/256GB storage, no card slot
Views
Genze vs community
Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).
| Category | Genze /10 | Users /10 |
|---|---|---|
| Battery | 7 | — |
| Display | 8.6 | — |
| Performance | 8.8 | — |
| Camera | 8.1 | — |
| Body | 6.4 | — |
| Gaming | 8.7 | — |
| Software | 8.2 | — |
| Connectivity | 5.8 | — |
| Sensors | 7.2 | — |
| Software updates | — | — |
| Clean software | — | — |
| Heating | — | — |
| Media | — | — |
Community columns fill in when reviews are approved.
Quick specifications
6.2"
1080x2400 pixels
64MP
4320p
8GB RAM
Exynos 2100
4000mAh
25W15W
Score breakdown
From specs, price tier & release year
Updates 4 yr
Community ratings
Real-world feedback from people who use this device
No approved reviews yet
Be the first to share how it feels in daily use — battery, gaming, heat, updates & value.
Use “Rate this phone” in the hero or here to submit yours.
Full specifications
|
Network
|
Technology | GSM / CDMA / HSPA / EVDO / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| ??? | CDMA 800 / 1900 & TD-SCDMA | |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| ??? | CDMA2000 1xEV-DO | |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 | |
| Speed | HSPA, 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 | ?? Nano-SIM ?? Nano-SIM + Nano-SIM |
|
| ??? | IP68 dust tight and water resistant (immersible 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 |
|
Platform
|
OS | Android 11, up to 4 major Android upgrades, One UI 6.1 |
|---|---|---|
| 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", 1.8??m, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8??m, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120?? (ultrawide), 1/2.55" 1.4??m, Super Steady video |
|---|---|---|
| Features | LED flash, auto-HDR, panorama | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
|
Selfie camera
|
Single | 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22??m, dual pixel PDAF |
|---|---|---|
| Features | HDR | |
| Video | 4K@30/60fps, 1080p@30fps |
|
Sound
|
Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
| ??? | High-bitrate audio support |
|
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 |
|---|---|---|
| Charging | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
|
Misc
|
Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
|---|---|---|
| Models | SM-G990F, SM-G990F/DS |
Samsung Galaxy S21 official images
Frequently asked questions
Is Samsung Galaxy S21 worth buying in 2026?
Samsung Galaxy S21 is worth considering if its strengths match your priorities. Genze scores it 8/10 for its class. Read owner reviews and compare alternatives before you buy.
Is Samsung Galaxy S21 good for gaming?
Samsung Galaxy S21 scores 87/100 on our gaming index (chipset, display smoothness, and thermals). Casual and mid-tier titles usually run well; for competitive esports, compare frame stability and heating against phones in the same price band.
What is the battery capacity of Samsung Galaxy S21?
Samsung Galaxy S21 has a 4,000 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does Samsung Galaxy S21 have?
Samsung Galaxy S21 features a 6.20-inch display. See the Display section for resolution, refresh rate, and panel details.
Is Samsung Galaxy S21 water resistant?
Samsung Galaxy S21 is rated IP68. Always follow manufacturer guidance for liquids and dust exposure.
How much RAM does Samsung Galaxy S21 have?
Samsung Galaxy S21 is available with 8 GB RAM variants. Storage options are listed in the Memory section.
What is the Genze score for Samsung Galaxy S21?
Genze rates Samsung Galaxy S21 8/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.
Where do these specifications come from?
Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.
Owner reviews
Owner reviews
Sorted by newest. Helpful votes from signed-in readers.
Log in to mark reviews helpful or delete your review.
No approved reviews yet. Be the first to rate this device.