Xiaomi Redmi A4 5G (6GB RAM + 128GB) vs Vivo Y31 5G
Quick Comparison
Xiaomi Redmi A4 5G (6GB RAM + 128GB) has better RAM than Vivo Y31 5G. In terms of display resolution, Xiaomi Redmi A4 5G (6GB RAM + 128GB) has better resolution of 1640 x 720 than Vivo Y31 5G which has resolution of 1608 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi A4 5G (6GB RAM + 128GB) | Vivo Y31 5G |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.88 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5160 mAh | 6500 mAh |
| Camera | 50 MP Dual | 50 MP |
| Price | Rs. 10999 | Rs. 16999 |
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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 (6GB RAM + 128GB) is Rs. 10999. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G is Rs. 16999.
Display comparison
Xiaomi Redmi A4 5G (6GB RAM + 128GB) has larger screen size of 6.88 inches in comparison to Vivo Y31 5G's 6.68 inch screen. Xiaomi Redmi A4 5G (6GB RAM + 128GB) has LCD Screen type where as Vivo Y31 5G has IPS Screen type. Vivo's phone has display density of 264 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 Vivo's phone ~ 84%. Xiaomi Redmi A4 5G (6GB RAM + 128GB) has 20.5:9 aspect ratio where as Vivo Y31 5G has 20:9 aspect ratio.
Memory comparison
Xiaomi Redmi A4 5G (6GB RAM + 128GB)'s larger 6 GB RAM is better for playing games and all with respect to Vivo Y31 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP Dual Rear Camera. Vivo Y31 5G will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Xiaomi Redmi A4 5G (6GB 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 15 version.
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Full Comparison
| Name | Xiaomi Redmi A4 5G (6GB RAM + 128GB) | Vivo Y31 5G |
| General | ||
| Country of Origin | India | |
| Model | Redmi A4 | Y31 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | November 20, 2024 | September 15, 2025 |
| In The Box | Handset, Adapter, USB Type-C Cable, Sim Eject Tool, Quick Start Guide, Warranty Card | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 77.8 x 171.88 x 8.22 mm | 77 x 166.1 x 8.4 mm |
| Weight | 212.35 g | 209 g |
| Colors | Starry black, Sparkle Purple | Rose Red, Diamond Green |
| Display | ||
| Type | Color LCD Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.88 inches, 720 x 1640 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 260 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 90% | ~ 84% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 1000nts | |
| Features | Brightness: 600 nits, TÜV low blue light certification TÜV flicker-free certification TÜV Circadian Friendly | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | eMMC 5.1 |
| Card Slot | Yes, upto 1 TB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | 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, v4.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes, with GPS, AGPS, Glonass, Beidou | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP52 | IP68 |
| Dust Resistant | Yes | |
| 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 | 50 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | HDR, 10x Zoom with Steering UI | Ring- panorama |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v14 | Android v15 |
| Chipset | Qualcomm Snapdragon 4s Gen2 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 2 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2xA78@ 2.0GHz+6xA55@ 1.8GHz | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz |
| GPU | Adreno | Adreno 613 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | MP4, M4V. MKV, XVID | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5160 mAh, Li-Po Battery | 6500 mAh |
| Fast Charging | Yes, 18W Fast Charging | Yes, 44W |