Apple Iphone 15
Apple Iphone 15 Pro Max
Samsung Galaxy S23 Ultra
Oppo R7 vs Oppo A31 vs Oppo A33
Oppo R7
Oppo A31
Oppo A33
| BASIC INFO |
|---|
| Model No | R7 | Oppo A31 | A33 |
| Status | Available. Released 2015, May | Discontinued | Available |
| Release Date | 2015, March | 2015, April | 2015, November |
| Dimension | 143 x 71 x 6.3 mm (5.63 x 2.80 x 0.25 in) | 131.9 x 65.5 x 8 mm (5.19 x 2.58 x 0.31 in) | 142.7 x 71.7 x 7.6 mm (5.62 x 2.82 x 0.30 in) |
| Weight | 147 g (5.19 oz) | 135 g (4.76 oz) | 146 g (5.15 oz) |
| Colors | Golden, Silver | White, Blue | White |
| Body Metrial | - | - | - |
| W & D Proof | - | - | - |
| SIM Type | Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | Dual SIM |
| Technology | GSM / HSPA / LTE | GSM/LTE | GSM/HSPA/LTE |
| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4 (KitKat) | Android OS, v5.1 (Lollipop) |
| PROSESSING |
|---|
| Processor | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | Quad-core 1.2 GHz Cortex-A53 | Quad-core 1.2 GHz Cortex-A53 |
| Chipset | Qualcomm MSM8939 Snapdragon 615 | Qualcomm MSM8916 Snapdragon 410 | Qualcomm MSM8916 Snapdragon 410 |
| GPU | Adreno 405 | Adreno 306 | Adreno 306 |
| MEMORY |
|---|
| RAM | 3GB | 1 GB | 2 GB |
| Storage | 16GB | 8 GB | 16 GB |
| Card Slot | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB |
| DISPLAY |
|---|
| Size | 5 inches | 4.5 inches | 5 inches |
| Type | AMOLED capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors |
| Resolation | 1080 x 1920 pixels | 480 x 854 pixels | 540 x 960 pixels |
| PPI | 445 ppi pixel density | 218 ppi pixel density | 220 ppi pixel density |
| Multi touch | Yes | Yes | Yes |
| Protection | Corning Gorilla Glass 3, Color OS 2.1 | - | - |
| CAMERA |
|---|
| Primary | 13 MP | 8 MP | 8 MP |
| Video | 1080p@30fps | 1080p@30fps | Yes |
| Flash | Led flash | LED Flash | LED flash |
| Features | Geo-tagging, touch focus, face detection, panorama, HDR | Geo-tagging | 1/4 |
| Selfie | 8 MP | Yes, 5 MP | 5 MP |
| BATTERY |
|---|
| Battery | Li-Po Battery | Li-Ion battery | Li-Po battery |
| Capacity | 2320 mAh | 2000 mAh | 2400 mAh |
| Removable | Non-removable | Non-removable | Non-removable |
| StandBy | - | Up to 240 h | Up to 250 h (3G) |
| Talk Time | - | Up to 7 h | Up to 8 h (3G) |
| Music Play | - | - | - |
| Browsing | HTML5 | HTML5 | HTML5 |
| Video Playback | - | - | - |
| F Charging | - | - | - |
| W Charging | - | - | - |
| NETWORK |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan | TD-SCDMA | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 8(900), 40(2300) - Global | LTE band 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) |
| Speed | HSPA, LTE Cat4 150/50 Mbps | TD-SCDMA, LTE Cat4 150/50 Mbps | HSPA, LTE |
| 5G | - | - | - |
| CONECTIVY |
|---|
| WALAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Yes | Yes |
| BlueTooth | Yes, v4.0 | Yes, v4.0 | v4.0, A2DP |
| USB | microUSB v2.0, USB Host | Yes, microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS |
| NFC | No | - | - |
| Audio jeck | Yes, 3.5mm | 3.5mm jack | 3.5mm Jack |
| OTHERS |
|---|
| Sensors | Accelerometer, proximity, compass | Accelerometer, proximity | Accelerometer, gyro, proximity |
| Radio | No | To be confirmed | FM radio |
| SARUS | - | - | - |
| SAREU | - | - | - |
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