Poco M6 Pro vs Samsung Galaxy S21 Ultra
The Verdict
Poco M6 Pro delivers exceptional value for budget-conscious buyers with its 6.67-inch 120Hz AMOLED display, 67W fast charging, and 5000mAh battery in a lightweight package at $199. Samsung Galaxy S21 Ultra justifies its premium $1199 price through superior engineering: Snapdragon 888 processor crushes MediaTek Helio G99 Ultra in performance, periscope telephoto with 10x optical zoom outclasses Poco's basic ultrawide camera, 8K video recording capability, IP68 water resistance versus IP53, and wireless charging. Galaxy S21 Ultra's Dynamic AMOLED 2X display with LTPO and higher refresh rate responsiveness represents a generation ahead. For casual users prioritizing battery life and display brightness, M6 Pro impresses. However, S21 Ultra's flagship camera system, processing power, and build quality establish it as the clear winner for serious photographers and performance-demanding users willing to invest significantly.
Who Should Buy
Buy the Poco M6 Pro if…
- →120Hz AMOLED display at just $199
- →67W fast charging at budget price
- →5000 mAh battery with all-day life
Buy the Samsung Galaxy S21 Ultra if…
- →100x Space Zoom with 10x optical telephoto
- →108 MP main sensor with excellent detail
- →S Pen support (first S-series to do so)
Category Scores
Pros & Cons
Poco M6 Pro
Pros
- 120Hz AMOLED display at just $199
- 67W fast charging at budget price
- 5000 mAh battery with all-day life
- Lightweight at 179 g
- Good 64 MP main camera for the price
Cons
- No 5G connectivity
- Helio G99 struggles with demanding games
- No OIS on main camera
- Only 1080p video recording
- Weak ultrawide and macro cameras
Samsung Galaxy S21 Ultra
Pros
- 100x Space Zoom with 10x optical telephoto
- 108 MP main sensor with excellent detail
- S Pen support (first S-series to do so)
- 1440p 120Hz LTPO adaptive display
- 5000 mAh battery with all-day endurance
Cons
- Heavy at 227 g
- Snapdragon 888 can overheat under load
- S Pen sold separately, no silo slot
- Slow 25W charging for the class
- No charger or earbuds in the box
Full Specifications
| Spec | Poco M6 Pro | Samsung Galaxy S21 Ultra |
|---|---|---|
| Software | Android 13, MIUI 14 | Android 11, One UI 3.1 |
| Body | ||
| Weight | 179 g | 227 g |
| Material | Plastic frame, glass front | Aluminum frame, Gorilla Glass Victus |
| IP rating | IP53 | IP68 |
| Dimensions | 161.1 x 74.95 x 7.98 mm | 165.1 x 75.6 x 8.9 mm |
| Camera | ||
| Main camera | 64 MP, f/1.79 | 108 MP, f/1.8, OIS |
| Front camera | 16 MP, f/2.45 | 40 MP, f/2.2 |
| Macro | 2 MP, f/2.4 | — |
| Video | 1080p@30fps | 8K@24fps, 4K@60fps |
| Ultrawide | 8 MP, f/2.2 | 12 MP, f/2.2 |
| Periscope | — | 10 MP, f/4.9, 10x optical zoom |
| Telephoto | — | 10 MP, f/2.4, 3x optical zoom |
| Memory | ||
| RAM | 6 GB | 12 GB |
| Storage options | 128 GB, 256 GB | 128 GB, 256 GB, 512 GB |
| Battery | ||
| Capacity | 5000 mAh | 5000 mAh |
| Charging | 67W turbo wired | 25W wired |
| Wireless charging | No | 15W wireless |
| Display | ||
| Size | 6.67 inches | 6.8 inches |
| Type | AMOLED | Dynamic AMOLED 2X, LTPO |
| Resolution | 2400 x 1080 | 3200 x 1440 |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 1200 | 1500 |
| Processor | ||
| CPU | Octa-core (2x2.2 GHz + 6x2.0 GHz) | Octa-core (1x2.84 GHz + 3x2.42 GHz + 4x1.8 GHz) |
| GPU | Mali-G57 MC2 | Adreno 660 |
| Chipset | MediaTek Helio G99 Ultra | Qualcomm Snapdragon 888 |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6 |
| Bluetooth | 5.3 | 5.2 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in phones, see all Xiaomi products or all Samsung products. View full details for the Poco M6 Pro or the Samsung Galaxy S21 Ultra.

