Samsung Galaxy F17 vs Samsung Galaxy S21 Ultra 5G
Side-by-side specs and price comparison for buyers in Algeria.
Samsung Galaxy F17
2category wins
Samsung Galaxy S21 Ultra 5G
4category wins
Quick Verdict
Who wins each category, side by side.
Better price
Samsung Galaxy F17
Faster chip
Samsung Galaxy S21 Ultra 5G
Bigger battery
Even
Faster charging
Even
Higher-resolution camera
Samsung Galaxy S21 Ultra 5G
Better display
Samsung Galaxy S21 Ultra 5G
Lighter body
Samsung Galaxy F17
Best value for money
Samsung Galaxy S21 Ultra 5G
Full specs comparison
Display
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Size (inches) | 6.7 | 6.8 |
| Panel Type | AMOLED | AMOLED |
| Resolution Height | 2340 | 3200 |
| Resolution Width | 1080 | 1440 |
| Refresh Rate | 90 | 120 |
| Peak Brightness | 1100 | 1500 |
| PPI | 385 | 515 |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus |
| Screen-to-body | 86 | 89.8 |
Platform
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| CPU | Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) |
| GPU | Mali-G68 MP2 | Mali-G78 MP14 (International) / Adreno 660 (USA/China) |
| Chipset Name | Exynos 1330 | Exynos 2100 (International) / Snapdragon 888 5G (USA/China) |
| Process (nm) | 5 | 5 |
| OS Name | Android | Android |
| UI Skin | One UI 8.5 | One UI 6.1 |
| OS Version | 15 | 11 |
Benchmarks
Geekbench (Single-Core)
Samsung Galaxy S21 Ultra 5G +49%Geekbench (Multi-Core)
Samsung Galaxy S21 Ultra 5G +95%AnTuTu
Samsung Galaxy S21 Ultra 5G +75%| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Geekbench (Single-Core) | 960 | 1,435 (Exynos 2100) / 1,500 (Snapdragon 888 5G) |
| Geekbench (Multi-Core) | 1,826 | 3,555 (Exynos 2100) / 3,537 (Snapdragon 888 5G) |
| AnTuTu | 607,489 | 1,065,369 (Exynos 2100) / 1,135,878 (Snapdragon 888 5G) |
Memory
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Card Slot | microSDXC (uses shared SIM slot) | No |
| Variants | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM |
Main Camera
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Video | 1080p@30fps, gyro-EIS | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10 + , stereo sound rec., gyro-EIS |
| Features | LED flash, panorama, HDR | Laser AF, LED flash, auto-HDR, panorama |
| Count | 3 | 4 |
| Macro | 2 MP, (macro) | — |
| periscope telephoto | — | 10 MP, f/4.9, 240mm, (periscope telephoto) |
| Telephoto | — | 10 MP, f/2.4, 72mm, (telephoto) |
| ultrawide | 5 MP, f/2.2, (ultrawide) | 12 MP, f/2.2, 13mm, (ultrawide) |
| Wide | 50 MP, f/1.8, (wide) | 108 MP, f/1.8, 24mm, (wide) |
Selfie Camera
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Video | 1080p@30fps | 4K@30/60fps, 1080p@30fps |
| Features | — | HDR |
| Count | 1 | 1 |
| Lens | 13 MP, f/2, (wide) | 40 MP, f/2.2, 26mm, (wide) |
Battery
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Capacity (mAh) | 5000 | 5000 |
| Chemistry | Li-Ion | Li-Ion |
| Wired Charging (W) | 25 | 25 |
| Wireless Charging (W) | — | 15 |
Body
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Build | Glass front (Gorilla Glass Victus), plastic frame, glass-fiber reinforced plastic back | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + eSIM / Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Height (mm) | 164.4 | 165.1 |
| Thickness (mm) | 7.5 | 8.9 |
| Other | IP54 dust protected and water resistant (water splashes) | — |
| Weight (g) | 192 | 227 |
| Width (mm) | 77.9 | 75.6 |
Launch
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Announced | 2025, September 11 | 2021, January 14 |
| Status | Available. Released 2025, September 14 | Available. Released 2021, January 29 |
Network
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 1700(AWS), 1900, 2100 | HSDPA 850, 900, 1700(AWS), 1900, 2100 |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66 | 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 |
| 5G Bands | 1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6 | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1 |
| Speed | HSPA, LTE, 5G | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5 + Gbps DL) |
| Technology | GSM, HSPA, LTE, 5G | GSM, CDMA, HSPA, EVDO, LTE, 5G |
Connectivity
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Bluetooth | 5.3 | 5.2 |
| NFC | Yes | Yes |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GLONASS, BDS, GALILEO |
| Radio | No | FM radio (Snapdragon model only; market/operator dependent) |
| USB Type | Type-C | Type-C |
| USB Version | 2.0 | 3.2 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6E |
Sound
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| 3.5mm Jack | No | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
Features
| Spec | Samsung Galaxy F17 | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| Other | Virtual proximity sensing | — |
Buying advice for Algeria
Both Samsung Galaxy F17 and Samsung Galaxy S21 Ultra 5G are sold in Algeria, but they fit different priorities.
Both phones sit in the same price band, so the choice comes down to specs and brand preference.
Samsung Galaxy S21 Ultra 5G posts a stronger benchmark score, useful for heavier games and multitasking on Algerian carriers' busier 4G networks.
Samsung Galaxy S21 Ultra 5G reaches a higher main-sensor resolution at 108 MP, which helps with crops and lower-light photos.
Above 60,000 DZD, prioritise screen quality, fast charging, and a clear software-update commitment.
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