Realme C73 (4GB RAM + 128GB) vs Vivo Y31 5G
Quick Comparison
Both Realme C73 (4GB RAM + 128GB) and Vivo Y31 5G comes with same RAM. In terms of display resolution, Vivo Y31 5G has better resolution of 1608 x 720 than Realme C73 (4GB RAM + 128GB) which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | Realme C73 (4GB RAM + 128GB) | Vivo Y31 5G |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.67 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6500 mAh |
| Camera | 32 MP Dual | 50 MP |
| Price | Rs. 11499 | Rs. 16999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is June 02, 2025. The cost of Realme C73 (4GB RAM + 128GB) is Rs. 11499. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G is Rs. 16999.
Display comparison
Realme C73 (4GB RAM + 128GB) has screen size of 6.67 inches which falls short to Vivo Y31 5G's 6.68 inch screen. Realme C73 (4GB RAM + 128GB) has IPS LCD Screen type where as Vivo Y31 5G has IPS Screen type. Both have same 264 PPI. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 89.97% than Vivo's phone ~ 84%. Realme C73 (4GB RAM + 128GB) has 20.05:9 aspect ratio where as Vivo Y31 5G has 20:9 aspect ratio.
Memory comparison
Both phones come with 4 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Vivo Y31 5G's 50 MP Rear Camera outshines Realme C73 (4GB RAM + 128GB)'s 32 MP Dual Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Realme C73 (4GB RAM + 128GB) | Vivo Y31 5G |
| General | ||
| Country of Origin | India | India |
| Model | RMX3945 | Y31 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | June 02, 2025 | September 15, 2025 |
| In The Box | realme C73 5G, USB Type-C Cable, 15W Adapter, Protect Case, SIM Card Needle, Screen Protect Film, Quick Guide | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 76.22 x 165.7 x 7.94 mm | 77 x 166.1 x 8.4 mm |
| Weight | 197 g | 209 g |
| Bezel less | No | |
| Colors | Jade Green, Crystal Purple, Onyx Black | Rose Red, Diamond Green |
| Display | ||
| Type | Color IPS LCD Screen (16.7 M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20.05:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 89.97% | ~ 84% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | Peak Brightness：625nit, Brightness Adjustment: 4096 Level | 1000nts |
| Features | Contrast Ratio: 1500: 1, Colour Gamut: 83% NTSC | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 8 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), upto 2 TB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G NR: n1/3/5/8/28B/40/41/77/78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Support 2.4/5GHz Wi-Fi, Support 802.11 a/b/g/n/ac | |
| Bluetooth | Yes, v5.3 | Yes, v4.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1), QZSS(L1) | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity Sensor, Light Sensor, Acceleration Sensor, Flicker Sensor, Side Capacitive Fingerprint Sensor | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | AI Smart Signal Adjustment, AI Clear Face, Google Gemini, AI Smart Loop | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Free Call (Through Bluetooth) | |
| Camera | ||
| Rear Camera | 32 MP ƒ/1.8 (Wide Angle) GALAXYCORE GC32E2, 27mm, FOV: 76°, Lens: 5P | 50 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Photo Mode, Video Mode, Night Mode, Professional Mode, Portrait Mode, HighDefinition Mode, Street Mode, Panorama, Slow Motion, Time-lapse, SuperText Mode, Dual-view Video, Google Lens, Digital Zoom 10X | 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) Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Realme UI 6 | |
| 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 | Arm Mali-G57 MC2 | Adreno 613 |
| Java | No | No |
| Browser | Yes | 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 | H.264, MPEG4, DIVX/XVID, H.263, SORENSEN SPARK, VP8, VP9, H.265, AV1 | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Super Linear Speaker | Dual Stereo |
| Audio Features | Supports OReality Audio effect, Hi-Res Audio Certification | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, BLPB47 Lithium Ion Battery | 6500 mAh |
| Fast Charging | Yes, 15W Fast Charging | Yes, 44W |
| Reverse Charging | Yes, 5W | |