Samsung Galaxy A33 5G vs Samsung Galaxy S21 5G
Side-by-side specs and price comparison for buyers in Algeria.
Samsung Galaxy A33 5G
1category wins
Samsung Galaxy S21 5G
5category wins
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Samsung Galaxy S21 5G
Bigger battery
Samsung Galaxy A33 5G
Faster charging
Even
Higher-resolution camera
Samsung Galaxy S21 5G
Better display
Samsung Galaxy S21 5G
Lighter body
Samsung Galaxy S21 5G
Best value for money
Samsung Galaxy S21 5G
Full specs comparison
Display
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Size (inches) | 6.4 | 6.2 |
| Panel Type | AMOLED | AMOLED |
| Resolution Height | 2400 | 2400 |
| Resolution Width | 1080 | 1080 |
| Refresh Rate | 90 | 120 |
| Peak Brightness | — | 1300 |
| PPI | 411 | 421 |
| Glass Type | Corning Gorilla Glass 5 | Corning Gorilla Glass Victus |
| Screen-to-body | 83.7 | 87.2 |
Platform
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 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 | Mali-G78 MP14 (International) / Adreno 660 (USA/China) |
| Chipset Name | Exynos 1280 | Exynos 2100 (International) / Snapdragon 888 5G (USA/China) |
| Process (nm) | 5 | 5 |
| OS Name | Android | Android |
| UI Skin | One UI 6.1 | One UI 6.1 |
| OS Version | 12 | 11 |
Benchmarks
Geekbench (Single-Core)
Samsung Galaxy S21 5G +50%Geekbench (Multi-Core)
Samsung Galaxy S21 5G +71%AnTuTu
Samsung Galaxy S21 5G +73%| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Geekbench (Single-Core) | 956 | 1,435 (Exynos 2100) / 1,500 (Snapdragon 888 5G) |
| Geekbench (Multi-Core) | 2,082 | 3,555 (Exynos 2100) / 3,537 (Snapdragon 888 5G) |
| AnTuTu | 615,425 | 1,065,369 (Exynos 2100) / 1,135,878 (Snapdragon 888 5G) |
Memory
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Card Slot | microSDXC (uses shared SIM slot) | No |
| Variants | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
Main Camera
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Video | 4K@30fps, 1080p@30/60fps | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10 + , stereo sound rec., gyro-EIS |
| Features | LED flash, panorama, HDR | LED flash, auto-HDR, panorama |
| Count | 4 | 3 |
| Depth | 2 MP, f/2.4, (depth) | — |
| Macro | 5 MP, f/2.4, (macro) | — |
| Telephoto | — | 64 MP, f/2, 29mm, (telephoto) |
| ultrawide | 8 MP, f/2.2, (ultrawide) | 12 MP, f/2.2, 13mm, (ultrawide) |
| Wide | 48 MP, f/1.8, 26mm, (wide) | 12 MP, f/1.8, 26mm, (wide) |
Selfie Camera
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Video | 4K@30fps, 1080p@30fps | 4K@30/60fps, 1080p@30fps |
| Features | — | HDR |
| Count | 1 | 1 |
| Lens | 13 MP, f/2.2, (wide) | 10 MP, f/2.2, 26mm, (wide) |
Battery
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Capacity (mAh) | 5000 | 4000 |
| Chemistry | Li-Po | Li-Ion |
| Wired Charging (W) | 25 | 25 |
| Wireless Charging (W) | — | 15 |
Body
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Build | Glass front (Gorilla Glass 5), plastic frame, plastic back | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| SIM | Nano-SIM / Nano-SIM + Nano-SIM | Nano-SIM + eSIM / Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Height (mm) | 159.7 | 151.7 |
| Thickness (mm) | 8.1 | 7.9 |
| Weight (g) | 186 | 169 |
| Width (mm) | 74 | 71.2 |
Launch
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Announced | 2022, March 17 | 2021, January 14 |
| Status | Available. Released 2022, April 20 | Available. Released 2021, January 29 |
Network
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 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, 26, 28, 32, 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-G991U1 |
| 5G Bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6 | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1 |
| 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 A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Bluetooth | 5.1 | 5 |
| NFC | Yes (market/region dependent) | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | 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 6 |
Sound
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| 3.5mm Jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
Features
| Spec | Samsung Galaxy A33 5G | Samsung Galaxy S21 5G |
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
Buying advice for Algeria
Both Samsung Galaxy A33 5G and Samsung Galaxy S21 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 A33 5G packs a 5000 mAh battery, which translates to longer screen-on time when you are away from a charger.
Samsung Galaxy S21 5G posts a stronger benchmark score, useful for heavier games and multitasking on Algerian carriers' busier 4G networks.
Samsung Galaxy S21 5G reaches a higher main-sensor resolution at 64 MP, which helps with crops and lower-light photos.
In the 30,000 to 60,000 DZD bracket, look for 5,000 mAh batteries, 120Hz screens, and at least 6 GB of RAM.
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