Xiaomi Redmi A4 5G (4GB RAM + 128GB) vs Samsung Galaxy A21s (6GB RAM + 64GB)
Quick Comparison
Samsung Galaxy A21s (6GB RAM + 64GB) has better RAM than Xiaomi Redmi A4 5G (4GB RAM + 128GB). In terms of display resolution, Xiaomi Redmi A4 5G (4GB RAM + 128GB) has better resolution of 1640 x 720 than Samsung Galaxy A21s (6GB RAM + 64GB) which has resolution of 1600 x 720. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has more internal memory than Samsung Galaxy A21s (6GB RAM + 64GB)
| Name | Xiaomi Redmi A4 5G (4GB RAM + 128GB) | Samsung Galaxy A21s (6GB RAM + 64GB) |
| RAM | 4 GB | 6 GB |
|---|---|---|
| Display | 6.88 in | 6.5 in |
| Internal Memory | 128 GB | 64 GB |
| Battery | 5160 mAh | 5000 mAh |
| Camera | 50 MP Dual | 48 MP Quad |
| Price | Rs. 8999 | Rs. 9999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is November 20, 2024. The cost of Xiaomi Redmi A4 5G (4GB RAM + 128GB) is Rs. 8999. The launch Date of the second phone is June 17, 2020. The cost of Samsung Galaxy A21s (6GB RAM + 64GB) is Rs. 9999.
Display comparison
Samsung Galaxy A21s (6GB RAM + 64GB) has screen size of 6.5 inches which falls short to Xiaomi Redmi A4 5G (4GB RAM + 128GB)'s 6.88 inch screen. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has LCD Screen type where as Samsung Galaxy A21s (6GB RAM + 64GB) has Screen type. Samsung's phone has display density of 294 PPI & Xiaomi's phone has only 260 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 90% than Samsung's phone ~ 82.8%. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has 20.5:9 aspect ratio where as Samsung Galaxy A21s (6GB RAM + 64GB) has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy A21s (6GB RAM + 64GB)'s larger 6 GB RAM is better for playing games and all with respect to Xiaomi Redmi A4 5G (4GB RAM + 128GB)'s lower 4 GB RAM. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has more Internal Memory (128 GB) than Samsung Galaxy A21s (6GB RAM + 64GB) (64 GB).
Camera comparison
Xiaomi Redmi A4 5G (4GB RAM + 128GB)'s 50 MP Dual Rear Camera outclasses Samsung Galaxy A21s (6GB RAM + 64GB)'s 48 MP Quad Rear Camera in terms of resolution. Samsung Galaxy A21s (6GB RAM + 64GB) will be better choice if you're looking to click lot of selfies as it has better 13 MP Front Camera in comparison to Xiaomi Redmi A4 5G (4GB RAM + 128GB)'s 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 10 version.
Related Comparisons
Full Comparison
| Name | Xiaomi Redmi A4 5G (4GB RAM + 128GB) | Samsung Galaxy A21s (6GB RAM + 64GB) |
| General | ||
| Country of Origin | India | |
| Model | Redmi A4 | SM-A217FZWGINS, Galaxy A21s |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | November 20, 2024 | June 17, 2020 |
| Design | ||
| Dimensions | 77.8 x 171.88 x 8.22 mm | 75.3 x 163.6 x 8.9 mm |
| Weight | 212.35 g | 191 g |
| Colors | Starry black, Sparkle Purple | |
| Display | ||
| Type | Color LCD Screen (16M Colors) | Color PLS TFT LCD (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.88 inches, 720 x 1640 pixels, 120 Hz | 6.5 inches, 720 x 1600 pixels |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 260 PPI | ~ 294 PPI |
| Screen to Body Ratio | ~ 90% | ~ 82.8% |
| Features | Brightness: 600 nits, TÜV low blue light certification TÜV flicker-free certification TÜV Circadian Friendly | Infinity-O Display |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 1 TB | Yes, upto 512 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wifi 5 | |
| Bluetooth | Yes, v5.3 | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes, with GPS, AGPS, Glonass, Beidou | yes, with A-GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Compass | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| IP Rating | IP52 | |
| Extra Features | Mono Speaker, Single Mic, LPDDR4x RAM, How Many Years of OS+ Security Updates Support: 2+4 | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 5P | 48 MP ƒ/2 (Main) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | HDR, 10x Zoom with Steering UI | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 13 MP ƒ/2.2 (Main) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v14 | Android v10, upgradable to v11 |
| Chipset | Qualcomm Snapdragon 4s Gen2 | Samsung Exynos 850 |
| CPU | 2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2xA78@ 2.0GHz+6xA55@ 1.8GHz | 4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55 |
| GPU | Adreno | Mali-G52 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | MP4, M4V. MKV, XVID | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5160 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charging | |
| Talk Time | 54 hours | |
| Music Playback Time | 109 hours | |