On this page we compare specs HTC U Ultra Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | HTC U Ultra | Oppo A3s |
|---|
| Operating system | Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm MSM8996 Snapdragon 821 (14 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 530 | Adreno 506 |
| Internal memory | 64/128 GB, 4 GB RAM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 512 GB (uses SIM 2 slot) | microSD, up to 256 GB (dedicated slot) |
| Display | HTC U Ultra | Oppo A3s |
|---|
| Type | Super LCD5 | IPS LCD |
| Size | 5.7" inc | 6.2" inc |
| Resolution | 1440 x 2560 px | 720 x 1520 px |
| Protection | Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version) | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 69.7% | 81.2% |
| Display area | 90.3 cm2 | 95.9 cm2 |
| Display aspect ratio | 16:9 (height:width) | 19:9 (height:width) |
| Pixel Density | 513 PPI | 271 PPI |
| Colors | 16M | 16M |
| Other | Secondary display, 160 x 1040 pixels, 2 inches | |
| Connectivity | HTC U Ultra | Oppo A3s |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, DLNA, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | 3.1, Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go |
| Camera | HTC U Ultra | Oppo A3s |
|---|
| Main camera | 12 MP, Single | 13 MP, Dual |
| Specs | 12 MP, f/1.8, 26mm (wide), 1/2.3', 1.55µm, OIS, PDAF & laser AF | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Dual-LED dual-tone flash, panorama | LED flash, HDR, panorama |
| Video | 2160p@30fps (24-bit/192kHz audio), 720p@120fps | 1080p@30fps |
| Selfie camera | 16 MP, Single | 8 MP, Single |
| Multimedia | HTC U Ultra | Oppo A3s |
|---|
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Design | HTC U Ultra | Oppo A3s |
|---|
| Colors | Brilliant Black, Cosmetic Pink, Ice White, Sapphire Blue | Red, Dark Purple |
| Body build | Front/back glass, aluminum frame | |
| Dimensions | 162.4 x 79.8 x 8 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 170 g | 168 g |
| Battery | HTC U Ultra | Oppo A3s |
|---|
| Battery capacity | 3000 mAh, Non-removable Li-Ion | 4230 mAh, Non-removable Li-Ion |
| Battery life | Stand by time- Up to 312 h (3G)
Talking time- Up to 26 h (3G)
| |
| Other | HTC U Ultra | Oppo A3s |
|---|
| Release date | 2017, January | 2018, July |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | Accelerometer, proximity, compass |
![vivo Y20s [G]](https://img.mobilexfiles.com/small/vivo_y20s_[g].webp)
