Realme Narzo 90 (8GB RAM +128GB) vs Vivo Y31 5G
Quick Comparison
Realme Narzo 90 (8GB RAM +128GB) has better RAM than Vivo Y31 5G. In terms of display resolution, Realme Narzo 90 (8GB RAM +128GB) has better resolution of 2372 x 1080 than Vivo Y31 5G which has resolution of 1608 x 720. Both have the same amount of internal memory.
| Name | Realme Narzo 90 (8GB RAM +128GB) | Vivo Y31 5G |
| RAM | 8 GB | 4 GB |
|---|---|---|
| Display | 6.57 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP |
| Price | Rs. 18499 | Rs. 16999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is December 16, 2025. The cost of Realme Narzo 90 (8GB RAM +128GB) is Rs. 18499. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G is Rs. 16999.
Display comparison
Vivo Y31 5G has larger screen size of 6.68 inches in comparison to Realme Narzo 90 (8GB RAM +128GB)'s 6.57 inch screen. Realme Narzo 90 (8GB RAM +128GB) has AMOLED Screen type where as Vivo Y31 5G has IPS Screen type. Realme's phone has display density of 397 PPI & Vivo's phone has only 264 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 93% than Vivo's phone ~ 84%. Both phones have same aspect ratio of 20:9.
Memory comparison
Realme Narzo 90 (8GB RAM +128GB)'s larger 8 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 + 2 MP Dual Rear Camera. Realme Narzo 90 (8GB RAM +128GB) will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Vivo Y31 5G's 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
Related Comparisons
Full Comparison
| Name | Realme Narzo 90 (8GB RAM +128GB) | Vivo Y31 5G |
| General | ||
| Country of Origin | India | India |
| Model | Narzo 90 | Y31 |
| Sim Type | Dual Sim (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 3 years | |
| Security Updates | 4 years | |
| Release Date | December 16, 2025 | September 15, 2025 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1 | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 75.19 x 158.36 x 7.79 mm | 77 x 166.1 x 8.4 mm |
| Weight | 181 g | 209 g |
| Colors | Carbon Black, Victory Gold | Rose Red, Diamond Green |
| Display | ||
| Type | Color AMOLED Screen (1.07 B) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.57 inches, 1080 x 2372 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 397 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 93% | ~ 84% |
| Glass Type | DT Star D+ | Guardian Glass (ion-strengthened) |
| Brightness | Normal brightness: 1000 nits(Typical), HBM: 1400 nits(Typical | 1000nts |
| Features | Vivid mode: 100% DCI-P3, Natural mode: 100% sRGB, Cinematic mode: 100% DCI-P3, Colorful mode: 100% DCI-P3. Eye Care, 2160Hz PWM Dimming | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 4 GB |
| RAM Type | LPDDR5X | |
| Expandable RAM | Upto 10 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, (Hybrid Slot) | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WiFi 2.4G, WiFi 5G, WiFi 5 (802.11ac), 802.11b/g/a/n, WLAN 2.4G, WLAN 5G, WLAN 5.1G, WLAN 5.8G, WLAN Display, WLAN tethering, Wi-Fi 2.4GHz 20M, Wi-Fi 2.4GHz 40M,Wi-Fi 5GHz 20M, Wi-Fi 5GHz 40M, Wi-Fi 5GHz 80M, | |
| Bluetooth | Yes, v5.3, A2DP, LE | 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 |
| Extra | ||
| GPS | GPS(L1), GLONASS(G1), BDS(B1I), Galileo(E1), QZSS(L1) | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, Color temperature sensor, E-compass, Accelerometer, Gyroscope, In-display optical fingerprint sensor, Infrared remote control | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| AI Features | Ai Edit | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Water Resistance | Yes | Yes, 1.5 m upto 30 min |
| IP Rating | IP66+IP68+IP69 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Bypass Charging | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) FOV 75.5°; 5P lens; AF Supported 2 MP ƒ/2.4 FOV 88.8°; 3P lens | 50 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Dual-view video, TIME-LAPSE, HI-RES, Underwater, PRO, Hypertext, TILT-SHIFT | Ring- panorama |
| Video Recording | 1080p, 720p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.4 (Wide Angle) FOV 86.7°; 5P lens Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p, 720p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | realme UI 6.0 | |
| Chipset | MediaTek Dimensity 6400 Max | Qualcomm Snapdragon 4 Gen2 |
| CPU | Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | |
| GPU | Mali G57 MC2 @1.07GHz | Adreno 613 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | AVI, MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, FLV, F4V, WEBM, WMV, ASF, MOV, QT, TS, M2TS, MTS, MKV | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Li-ion Battery | 6500 mAh |
| Fast Charging | Yes, 60W Dart Charge | Yes, 44W |
| Reverse Charging | Yes | |