Vivo Y31d vs Oppo A6 4G
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Vivo Y31d |  Oppo A6 4G |
|---|---|---|
| Price | KSh 27,700 – KSh 34,000 | KSh 34,100 – KSh 36,600 |
| Display | IPS LCD, 120Hz, 1250 nits (HBM) | 6.75-inch LCD, 120Hz, 800 nits typical, 1125 nits HBM |
| Processor | Qualcomm Snapdragon 6s 4G Gen 2 | Qualcomm Snapdragon 685 Mobile Platform |
| RAM | 6GB, 8GB | 4GB, 6GB, 8GB LPDDR4X |
| Storage | 128GB, 256GB | 128GB, 256GB |
| Rear camera | 50 MP wide PDAF; auxiliary lens | 50 MP f/1.8 wide AF; 2 MP f/2.4 monochrome |
| Battery | Si/C Li-Ion 7200 mAh | 7000 mAh typical (6830 mAh rated) |
| Charging | 44W wired; reverse wired; bypass charging | 45W SUPERVOOC; compatible PPS, VOOC and PD |
| Weight | 219 g | 215 g |
| Operating system | Android 16, OriginOS 6 | ColorOS 15.0 |
| Network | GSM / HSPA / LTE | GSM / WCDMA / 4G LTE |
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Full specifications
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General
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Brand | Vivo | Oppo |
| Model | Vivo Y31d | OPPO A6 (CPH2817) |
| Announced | 2026, January 16 (released 2026, January) | — |
Design
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Dimensions | 166.6 x 78.4 x 8.4 mm | 166.61 x 78.51 x 8.61 mm |
| Weight | 219 g | 215 g |
| Build materials | Glass front, plastic frame, plastic back | IP69 water and dust resistance |
Display
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Display | IPS LCD, 120Hz, 1250 nits (HBM) | 6.75-inch LCD, 120Hz, 800 nits typical, 1125 nits HBM |
| Screen resolution | 6.75 inches, 720 x 1570 pixels | 1570 x 720 pixels, 256 ppi |
| Display features | 120Hz, 1250 nits | 120Hz; 240Hz maximum touch sampling; 85% DCI-P3 vivid mode |
Performance
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Processor | Qualcomm Snapdragon 6s 4G Gen 2 | Qualcomm Snapdragon 685 Mobile Platform |
| CPU | Octa-core (4x2.9 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53) | 8 cores |
| GPU | Adreno | Adreno 610 @ 1.26GHz |
Memory & Storage
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| RAM | 6GB, 8GB | 4GB, 6GB, 8GB LPDDR4X |
| Storage | 128GB, 256GB | 128GB, 256GB |
| Storage technology | UFS 2.2 | UFS 2.2 |
| Expandable storage | No (no card slot) | Supported |
Cameras
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Rear camera | 50 MP wide PDAF; auxiliary lens | 50 MP f/1.8 wide AF; 2 MP f/2.4 monochrome |
| Front camera | 8 MP wide | 8 MP f/2.0 |
| Rear camera features | LED flash, HDR, panorama | Photo, Portrait, Night, panorama, slow motion, time-lapse, Pro, underwater |
| Rear camera video | 1080p@30fps | 1080p@30fps; 720p@30fps; 720p@120fps slow motion |
| Front camera features | — | Portrait, Night, panorama, time-lapse, retouch, screen fill light |
| Front camera video | 1080p@30fps | 1080p@30fps; 720p@30fps |
Battery & Charging
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Battery | Si/C Li-Ion 7200 mAh | 7000 mAh typical (6830 mAh rated) |
| Charging | 44W wired; reverse wired; bypass charging | 45W SUPERVOOC; compatible PPS, VOOC and PD |
Software
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Operating system | Android 16, OriginOS 6 | ColorOS 15.0 |
Network
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Network | GSM / HSPA / LTE | GSM / WCDMA / 4G LTE |
| SIM | Nano-SIM + Nano-SIM | Dual Nano-SIM |
Connectivity
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| NFC | No | Yes (region dependent) |
| Bluetooth | 5.1, A2DP, LE | Bluetooth 5.0 Low Energy |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 5 (802.11ac), 802.11a/b/g/n |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | BeiDou, GPS, GLONASS, Galileo, QZSS |
| Radio | No | — |
| USB | USB Type-C 2.0, OTG | USB Type-C, OTG |
Durability
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Water resistance | IP68/IP69 dust tight and water resistant | IP69 water and dust resistance |
Features
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Proximity, ambient light, e-compass, accelerometer, side fingerprint sensor |
| Colors | Glow White, Starlight Grey | Sapphire Blue, Aurora Gold |
Audio
| Specification | Vivo Y31d | Oppo A6 4G |
|---|---|---|
| Loudspeakers | Yes, with stereo speakers | Yes |
| 3.5 mm headphone jack | No | No (Type-C audio) |
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