Realme Narzo 100x 5G (6GB RAM + 256GB) vs Vivo Y31 5G (6GB RAM + 128GB)
Quick Comparison
Both Realme Narzo 100x 5G (6GB RAM + 256GB) and Vivo Y31 5G (6GB RAM + 128GB) comes with same RAM. In terms of display resolution, Vivo Y31 5G (6GB RAM + 128GB) has better resolution of 1608 x 720 than Realme Narzo 100x 5G (6GB RAM + 256GB) which has resolution of 1570 x 720. Realme Narzo 100x 5G (6GB RAM + 256GB) has more internal memory than Vivo Y31 5G (6GB RAM + 128GB)
| Name | Realme Narzo 100x 5G (6GB RAM + 256GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.81 in | 6.68 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 8000 mAh | 6500 mAh |
| Camera | 50 MP Dual | 50 MP |
| Price | Rs. 24999 | Rs. 19999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 15, 2026. The cost of Realme Narzo 100x 5G (6GB RAM + 256GB) is Rs. 24999. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 19999.
Display comparison
Vivo Y31 5G (6GB RAM + 128GB) has screen size of 6.68 inches which falls short to Realme Narzo 100x 5G (6GB RAM + 256GB)'s 6.81 inch screen. Realme Narzo 100x 5G (6GB RAM + 256GB) has LCD Screen type where as Vivo Y31 5G (6GB RAM + 128GB) has IPS Screen type. Vivo's phone has display density of 264 PPI & Realme's phone has only 254 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 87.1% than Vivo's phone ~ 84%. Both phones have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 6 GB RAM Realme Narzo 100x 5G (6GB RAM + 256GB) has more Internal Memory (256 GB) than Vivo Y31 5G (6GB RAM + 128GB) (128 GB).
Camera comparison
They both have the same 50 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 15 version.
Related Comparisons
Full Comparison
| Name | Realme Narzo 100x 5G (6GB RAM + 256GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | India |
| Model | Narzo 100x | Y31 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 15, 2026 | September 15, 2025 |
| In The Box | Phone x 1 Charger x 1 USB Data Cable x 1 SIM Ejector Tool x 1 Protective Case x 1 Quick Guide x 1 | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 78.2 x 166.4 x 8.8 mm | 77 x 166.1 x 8.4 mm |
| Weight | 224 g | 209 g |
| Bezel less | No | |
| Colors | Flash Orange, Midnight Black | Rose Red, Diamond Green |
| Display | ||
| Type | Color LCD Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.81 inches, 720 x 1570 pixels, 144 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 254 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 87.1% | ~ 84% |
| Glass Type | Panda-1681 | Guardian Glass (ion-strengthened) |
| Brightness | Normal brightness: 975 nits(Typical) HBM: 1200 nits(Typical) | 1000nts |
| Features | Glove Touch, Wet Hand Touch, OIl Hand Touch | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 256 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 | NR: 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 | Wi-Fi 5 (802.11ac) Supported 802.11a/b/g/n Supported Wi-Fi Display Supported WLAN Tethering Supported | |
| Bluetooth | Yes, v5.3, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0 | 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 | Beidou, GPS, GLONASS, Galileo, QZSS | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, E-compass, Accelerometer | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| Cooling System | 5300mm² Vapor Chamber | |
| AI Features | AI Night Charging Mode, Ai Cold Mode, Charging Boost, Ai Pulse Light, Gemini Live, Next AI, AI Portrait Glow, AI Eraser 2.0, Ai Select & Search | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | IP68/IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | Military Grade Shock Resistance, AI Pulse Light | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) FOV 75°; 5P lens; AF Supported | 50 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night,Street,Panorama, Cinematic, SLO-MO, Dual-view video, TIME-LAPSE, HI-RES, Googlen Lens, PRO, Hypertext,TILT-SHIFT, 1080P video: 30 fps, 720P video: 30 fps(with Retouch on), 720P SLO-MO video: 120 fps, 1080P TIME-LAPSE: 30 fps, Supports Cinematic video shooting, Supports Dual-view video shooting, Supports video zoom shooting: up to 10× digital zoom | Ring- panorama |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) FOV 80°; 4P lens Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | Realme UI 7 | |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 2.4 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz |
| Fabrication Node | 6nm | |
| GPU | Mali-G57 MC2 | 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 Features | OReality Audio | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 8000 mAh | 6500 mAh |
| Fast Charging | Yes, 45W Fast Charge | Yes, 44W |
| Reverse Charging | Yes | |
| Bypass Charging | Yes | |