Device comparison
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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Announced | January 29, 2021 | May 2025 |
| Released | 2021-01-29 | May 2025; on sale (Amazon, DOOGEE store) as of 26 May 2025 |
| Status | Available | Available |
NETWORK6 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DO | HSDPA B1 / B2 / B4 / B5 / B8 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B | 1, 2, 3, 4, 5, 6, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66 |
| 5G | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B | n1, n3, n7, n8, n28, n38, n41, n77, n78 |
| Speed | LTE, 5G | HSPA, LTE, 5G |
| Technology | 5G/4G/LTE/GSM | GSM / HSPA / LTE / 5G |
BODY5 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | Rugged body with thick frame and partially rubberized surfaces |
| Dimensions | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) | 174 x 81.2 x 15.8 mm |
| IP Rating | IP68 dust/water resistant (up to 1.5m for 30 min) | IP68/IP69K, MIL-STD-810H |
| SIM | Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time) | Nano-SIM + Nano-SIM + microSD (triple card slot) |
| Weight | 227 g (Sub6), 229 g (mmWave) (8.01 oz) | 331 g (Notebookcheck); 333 g (Smartprix) |
DISPLAY8 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Brightness | 1500 nits (peak) | 441 nits average, 475 nits max (Notebookcheck measurement) |
| Features | — | HD+, punch-hole; contrast 1105:1 (Notebookcheck measurement) |
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Glass |
| Refresh Rate | 120Hz | 90Hz |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) | 720 x 1612 pixels, 20:9 ratio (~267 ppi density) |
| Screen-to-body | ~89.8% | ~74.1% |
| Size | 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) | 6.6 inches |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) | IPS LCD, 90Hz, PWM-free (Notebookcheck) |
PLATFORM4 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| 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) - USA/China | Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) |
| Chipset | Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China | MediaTek Dimensity 7050 (6 nm) |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | Mali-G68 MC4 |
| OS | Android 11, up to 4 major Android upgrades, One UI 6.1 | Android 15 |
MEMORY5 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Card slot | No | microSD, up to 2TB (dedicated slot) |
| Internal | 128GB, 256GB, 512GB | 256GB |
| RAM | 8GB RAM, 12GB RAM,16GB RAM, | 8GB + up to 24GB virtual RAM (marketed as 32GB) |
| Storage Type | — | UFS 3.1 |
| Storage/RAM variants | 128GB, 256GB, 512GB; 8GB RAM, 12GB RAM,16GB RAM, | 256GB 8GB RAM |
MAIN CAMERA3 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Features | Laser AF, LED flash, auto-HDR, panorama | Dual-LED flash, HDR, panorama |
| MAIN CAMERA | 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2 | 50 MP, f/1.8, PDAF (wide) | 2 MP, f/2.2 (macro) |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS | 4K@30fps, 1080p@30fps |
SELFIE CAMERA3 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Features | HDR | Punch-hole |
| Selfie camera | 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF | 16 MP, f/2.45 |
| Video | 4K@30/60fps, 1080p@30fps | 1080p@30fps |
SOUND2 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| 3.5mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes (mono speaker) |
COMMUNICATION6 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.2 |
| NFC | Yes | Yes (Google Pay) |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | FM radio |
| USB | USB Type-C 3.2, OTG | USB Type-C 2.0, OTG, USB PD |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/ax (Wi-Fi 6), hotspot |
FEATURES1 field
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (side-mounted), accelerometer, proximity, compass, ambient light |
BATTERY3 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Capacity | 5000 mAh | 10300 mAh |
| Charging Type | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless | 33W wired; wired reverse charging |
| Type | Li-Ion 5000 mAh | Li-Ion 10300 mAh, non-removable |
ADDITIONAL INFORMATION8 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Galaxy Black; Desert Titanium (listed as Black / Gold on DOOGEE store) |
| Compatibility | — | Google Pay/NFC supported; no Widevine L1 (HD streaming limited); security patches roughly every two months at review time (Notebookcheck) |
| Cooling | — | Fanless |
| Launch Price | — | EUR 379 (Europe list price) |
| Launch Price (USD) | $399.98 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 | Blade20 Turbo (5G version of the Blade20 series) |
| Models and regions | — | Sold on DOOGEE official store as EU Version and US Version |
| Price in Nigeria | ₦770,000 (Saved seller price · not yet reverified) | ₦608,300 (Stored estimate) |
TESTS4 fields
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Battery Endurance | — | Wi-Fi browsing: 23 h 17 min (Notebookcheck) |
| Graphics | — | 3DMark Wild Life: 2263 (Notebookcheck) |
| Performance | — | Geekbench 6: 911 (single), 2445 (multi); PCMark Work 3.0: 10,909 (Notebookcheck) |
| Storage | — | AndroBench sequential read 1873 MB/s, write 1250 MB/s (Notebookcheck) |
SECURITY1 field
| Specification | Galaxy S21 Ultra | Blade20 Turbo |
|---|---|---|
| Security | Biometric security: Fingerprint (under display, ultrasonic). | Fingerprint (side-mounted), face unlock |