Xiaomi Redmi Note 14 4G vs Samsung Galaxy S21 Ultra
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Compared 2 smartphones : Xiaomi Redmi Note 14 4G Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Helio G99 Ultra, vs Samsung Galaxy S21 Ultra, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Xiaomi Redmi Note 14 4G
- Lighter design: 196.5g vs 227g
- Higher battery capacity: 5500mAh vs 5000mAh
- Newer Bluetooth version: 5.3 vs 5.2
- Infrared port
- Includes charger
Reasons to choose Samsung Galaxy S21 Ultra
- Larger display: 6.8in
- Higher pixel density: 515ppi
- Supports newer USB: 3.2 vs 2
- Built-in eSIM
Versions
| Memory Options | - 6/128 GB - 8/128 GB - 8/256 GB |
- 12/128 GB - 12/256 GB - 12/512 GB - 16/256 GB - 16/512 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | OLED | Dynamic AMOLED |
| Size | 6.67 in | 6.8 in |
| Resolution | 1080x2400 pixels | 1440x3200 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 395 ppi | 515 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (10-120 Hz) |
| Max brightness | 1800 nits | 1500 nits |
| HDR support | No | Yes HDR10+ |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 85.9 % | 89.5 % |
| Features | - DCI-P3 - Always-On Display - DC dimming |
- DCI-P3 - Always-On Display |
| sRGB gamut | 99.9 % | n/a |
| PWM (Flicker) | 120 Hz | n/a |
| Response time | 1 ms | n/a |
| Contrast | ∞ Infinite | n/a |
Design & Build
| Height | 163.25 mm (6.43 in) | 165.1 mm (6.5 in) |
| Width | 76.55 mm (3.01 in) | 75.6 mm (2.98 in) |
| Thickness | 8.16 mm (0.32 in) | 8.9 mm (0.35 in) |
| Weight | 196.5 g (6.93 oz) | 227 g (8.01 oz) |
| Water resistance | IP54 | IP68 |
| Back panel | Plastic | Glass |
| Frame | Plastic | Metal |
| Colors | - Black - Blue - Green - Purple |
- Black - Silver - Gray - Blue |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G99 Ultra | Samsung Exynos 2100 |
| Max Frequency | 2200 MHz | 2900 MHz |
| CPU Cores | 8 (2 + 6) | 8 (1 + 3 + 4) |
| Architecture | - 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76) |
- 4/2.2 (Cortex-A55) - 3/2.81 (Cortex-A78) - 1/2.91 (Cortex-X1) |
| Process | TSMC | Samsung |
| Transistor Size | 6 nm | 5 nm |
| Neural Processor | Yes | Yes |
| Graphics | Mali-G57 MP2 | Mali-G78 MP14 |
| GPU Cores | 128 | 896 |
| GPU Frequency | 1000 MHz | 854 MHz |
| FLOPS | 128 GFLOPS | 1530.4 GFLOPS |
| Geekbench 6 (Single-Core) | 722 | 1449 |
| Geekbench 6 (Multi-Core) | 1894 | 3892 |
| CPU | 135745 | 232358 |
| GPU | 65534 | 256356 |
| Memory | 113907 | 163007 |
| UX | 116041 | 191217 |
| NanoReview Score | 431227 | 843008 |
| Max Surface Temp. | n/a | 40.8 °C |
| Stability | n/a | 69 % |
| Graphics Test | n/a | 31 fps |
| Graphics Score | n/a | 5221 |
Memory
| RAM Size | - 6 GB - 8 GB |
- 12 GB - 16 GB |
| Memory Type | LPDDR4X | LPDDR5 |
| Memory Frequency | 2133 MHz | 2750 MHz |
| Channels | 2 | 2 |
| Storage Capacity | - 128 GB - 256 GB | - 128 GB - 256 GB - 512 GB |
| Storage Type | UFS 2.2 | UFS 3.1 |
| Memory Card | MicroSD | No |
Software
| OS | Android 14 | Android 11 (Upgradeable to Android 14) |
| OS Size | 27 GB | 26.4 GB |
| UI Skin | HyperOS 1.0 | One UI 6 |
Battery
| Volume | 5500 mAh | 5000 mAh |
| Max Charging Power | 33 W | 25 W |
| Battery Type | Li-Po | Li-ion |
| Removable | No | No |
| Wireless Charging | No | Yes (15 W) |
| Reverse Charging | n/a | Yes (Wireless) |
| Fast Charging | Yes (46% in 30 min) | Yes (54% in 30 min) |
| Full Charge Time | 1:18 h | 1:11 h |
| Web Browsing | 09:11 h | 07:58 h |
| Video Playback | 11:33 h | 13:59 h |
| Games | 05:54 h | 05:14 h |
| Standby Mode | 104 h | 111 h |
Main camera
| Matrix | 108 MP | 108 MP |
| Photo resolution | n/a | 12000x9000 pixels |
| Zoom | Digital | Optical, 10x |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K Recording | No | Up to 24FPS |
| 4K Recording | No | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| Slow Motion | n/a | 960 fps (720p) |
| Wide-angle lens | n/a | 120 ° |
| Lenses count | Standard: 108 MP Macro: 2 MP Depth: 2 MP |
Standard: 108 MP Telephoto: 10 MP Telephoto: 10 MP Ultra-wide: 12 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 108 MP | 108 MP |
| Aperture | f/1.7 | f/1.8 |
| Focal length | 24 mm | 26 mm |
| Sensor | Samsung S5KHM6 | Samsung S5KHM3 |
| Sensor size | 1/1.67 | 1/1.33 |
| Pixel size | 0.64 μm | 0.8 μm |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Digital | Optical |
| Matrix | n/a | 10 MP |
| Aperture | n/a | f/4.9 |
| Focal length | n/a | 240 mm |
| Sensor | n/a | Samsung S5K3J1 |
| Sensor size | n/a | 1/2.65 |
| Pixel size | n/a | 1.22 μm |
| Stabilization | n/a | Optical |
| Matrix | n/a | 12 MP |
| Aperture | n/a | f/2.2 |
| Focal length | n/a | 13 mm |
| Sensor | n/a | Sony IMX563 |
| Sensor size | n/a | 1/2.55 |
| Pixel size | n/a | 1.4 μm |
| Stabilization | n/a | Digital |
| Bokeh | n/a | 70 |
| Preview | n/a | 67 |
| Zoom | n/a | 106 |
Front camera
| Matrix | 20 MP | 40 MP |
| Photo resolution | n/a | 7864x5200 pixels |
| Aperture | f/2.4 | f/2.2 |
| Focal length | n/a | 26 mm |
| Sensor | n/a | Samsung S5KGH1 |
| Sensor size | 1/4.0 | 1/2.65 |
| Pixel size | 1 μm | 0.7 μm |
| Autofocus | No | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB Storage Mode |
- Charging - USB Storage Mode - USB-Host mode - OTG |
| DisplayPort | No | n/a |
| GPS | - GPS - GLONASS - Galileo |
- GPS - GLONASS - Beidou - Galileo |
| NFC* | Varies by region | Yes |
| Infrared Port | Yes | No |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | Yes |
| Hybrid Slot | Yes | No |
| 2G Bands | GSM 850 900 1800 1900MHz | GSM 850, 900, 1800, 1900 MHz |
| 3G Bands | WCDMA 1/5/8 | WCDMA Band 1, 2, 4, 5, 8 |
| LTE Bands* | LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66) |
| LTE category | n/a | 24 |
| 5G Support | No | Yes |
Sound
| Speakers | Stereo | Stereo |
| 3.5 mm Jack | Yes | No |
| FM Radio | n/a | No |
| Dolby Atmos | Yes | Yes |
Other
| Class | Mid-range | Flagship |
| Announced | January, 2025 yr | January, 2021 yr |
| Release Date | January, 2025 yr | February, 2021 yr |
| Launch Price ($) | 200 | 1200 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes 33 W | n/a |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 0
