O2 XDA Atom vs Samsung Galaxy A51
| Phones Images | |||||
|---|---|---|---|---|---|
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| PHONES | ||
|---|---|---|
| Phone Names | O2 XDA Atom | Samsung Galaxy A51 |
| Network | ||
|---|---|---|
| 2G bands | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | - | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | - | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 |
| EDGE | Class 10 | - |
| GPRS | Class 10 | - |
| Speed | - | HSPA, LTE |
| Technology | GSM | GSM / HSPA / LTE |
| - | 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U | |
| Launch | ||
|---|---|---|
| Announced | 2005, November | 2019, December 12. Released 2019, December 16 |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Build | - | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| Dimensions | 102 x 58 x 18.5 mm (4.02 x 2.28 x 0.73 in) | 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) |
| SIM | Mini-SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
| Weight | 140 g (4.94 oz) | 172 g (6.07 oz) |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 3 |
| Resolution | 240 x 320 pixels, 4:3 ratio (~148 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Size | 2.7 inches, 22.6 cm2 (~38.2% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) |
| Type | TFT resistive touchscreen, 256K colors (65K effective) | Super AMOLED |
| Handwriting recognition | - | |
| Platform | ||
|---|---|---|
| CPU | Intel PXA272 416 MHz | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| Chipset | - | Exynos 9611 (10 nm) |
| GPU | - | Mali-G72 MP3 |
| OS | Microsoft Windows Mobile 5.0 PocketPC | Android 10, upgradable to Android 13, One UI 5 |
| Memory | ||
|---|---|---|
| Card slot | miniSD | microSDXC (dedicated slot) |
| Internal | 64MB RAM, 128MB ROM | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| - | UFS 2.0 | |
| Main Camera | ||
|---|---|---|
| Features | LED flash | LED flash, panorama, HDR |
| Quad | - | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens |
| Single | 2 MP | - |
| Video | Yes | 4K@30fps, 1080p@30/120fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | - | HDR |
| Single | - | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
| Video | - | 4K@30fps, 1080p@30fps |
| No | - | |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | Yes |
| 35mm jack | No | Yes |
| Alert types | Vibration; Downloadable polyphonic, MP3, AAC ringtones | - |
| Loudspeaker | Yes, with stereo speakers | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 1.2 | 5.0, A2DP, LE |
| Infrared port | Yes | - |
| NFC | - | Yes |
| Positioning | No | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio | FM radio |
| USB | miniUSB | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11b | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Browser | WAP 2.0/xHTML, HTML (PocketIE) | - |
| Sensors | - | Fingerprint (under display, optical), accelerometer, gyro, compass |
| Pocket Office MP3/AAC/AAC+/WMA/OGG/AMR player WMV/MP4 player | Virtual proximity sensing ANT+ | |
| Battery | ||
|---|---|---|
| Charging | - | 15W wired |
| Stand-by | Up to 150 h | - |
| Talk time | Up to 5 h 30 min | - |
| Type | Removable Li-Po 1530 mAh battery | Li-Po 4000 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Silver | Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink |
| Models | - | SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL |
| Price | About 260 EUR | About 100 EUR |
| SAR | - | 0.80 W/kg (head) 0.67 W/kg (body) |
| SAR EU | - | 0.37 W/kg (head) 1.59 W/kg (body) |
| Pricing | ||
|---|---|---|
| 128GB 4GB RAM | - | $ 299.99 |
| 128GB 6GB RAM | - | $ 674.99 |
| 64GB 4GB RAM | - | $ 211.50 |
| RENEWED | - | £ 179.00 |
| Tests | ||
|---|---|---|
| Audio quality | - | Noise -93.1dB / Crosstalk -87.3dB |
| Battery life | - | Endurance rating 86h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -28.6 LUFS (Average) |
| Performance | - | AnTuTu: 113051 (v7), 175363 (v8) GeekBench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) |
| OUR TESTS | ||
|---|---|---|
| Audio quality | - | Noise -93.1dB / Crosstalk -87.3dB |
| Battery (old) | - | Endurance rating 86h |
| Camera | - | Photo / Video |
| Display | - | 636 nits max brightness (measured) |
| Loudspeaker | - | -28.6 LUFS (Average) |
| Performance | - | AnTuTu: 113051 (v7), 175363 (v8) GeekBench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) |