The Oppo A15 and Samsung Galaxy A02s represent the extreme end of the smartphone price spectrum. Both aim to deliver essential smartphone functionality at a minimal cost, but they achieve this with different approaches to chipset design and feature prioritization. This comparison dissects their key specifications to determine which device offers the best value for users on a tight budget.
🏆 Quick Verdict
For most users, the Samsung Galaxy A02s emerges as the slightly better choice. While both phones offer similar endurance ratings, the A02s’s Qualcomm Snapdragon 450, built on a 14nm process, provides a more efficient architecture than the Oppo A15’s 12nm Helio P35, potentially leading to better sustained performance and slightly improved battery life in real-world usage.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 38, 40, 41 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch |
|---|
| Announced | 2020, October 15. Released 2020, October 27 | 2020, November 24. Released 2021, January 04 |
| Status | Discontinued | Discontinued |
| Body |
|---|
| Build | Glass front, plastic back, plastic frame | Glass front, plastic back, plastic frame |
| Dimensions | 164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in) | 164.2 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
| Weight | 175 g (6.17 oz) | 196 g (6.91 oz) |
| Display |
|---|
| Protection | - | Scratch-resistant glass |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~269 ppi density) | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Size | 6.52 inches, 102.6 cm2 (~83.0% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~81.8% screen-to-body ratio) |
| Type | IPS LCD, 480 nits (typ) | PLS LCD |
| Platform |
|---|
| CPU | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Mediatek MT6765 Helio P35 (12 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | PowerVR GE8320 | Adreno 506 |
| OS | Android 10, ColorOS 7.2 | Android 10, upgradable to Android 12, One UI 4.1 |
| Memory |
|---|
| Card slot | microSDXC | microSDXC (dedicated slot) |
| Internal | 32GB 2GB RAM, 32GB 3GB RAM | 16GB 1GB RAM, 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM |
| | eMMC 5.1 | eMMC 5.1 |
| Main Camera |
|---|
| Features | LED flash, HDR, panorama | LED flash |
| Single | - | 3.15 MP |
| Triple | 13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF
2 MP (macro)
Auxiliary lens | 13 MP, f/2.2, (wide), AF
2 MP (macro)
Auxiliary lens |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera |
|---|
| Features | HDR | - |
| Single | 5 MP, f/2.4, (wide) | 5 MP, f/2.2 |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.0, A2DP, LE, aptX | 4.2, A2DP |
| NFC | No | No |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio | Unspecified |
| USB | microUSB 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Accelerometer, proximity |
| Battery |
|---|
| Charging | 10W wired | 15W wired |
| Stand-by | - | Up to 530 h (2G) / Up to 530 h (3G) |
| Talk time | - | Up to 6 h 12 min (2G) / Up to 6 h 18 min (3G) |
| Type | Li-Po 4230 mAh | Li-Po 5000 mAh |
| Misc |
|---|
| Colors | Dynamic Black, Mystery Blue | Black, White, Red, Blue |
| Models | CPH2185 | SM-A025F, SM-A025F/DS, SM-A025G, SM-A025G/DS, SM-A025M, SM-A025M/DS, SM-A025U, SM-A025V, SM-A025A, SM-A025U1, SM-A025AZ, SM-S124DL |
| Price | About 550 EUR | About 110 EUR |
| SAR | - | 1.15 W/kg (head) 0.79 W/kg (body) |
| SAR EU | - | 0.40 W/kg (head) 1.37 W/kg (body) |
| Tests |
|---|
| Audio quality | - |
Noise -81.4dB / Crosstalk -80.5dB |
| Battery life | - |
Endurance rating 114h
|
| Camera | - |
Photo / Video |
| Display | - |
Contrast ratio: 1765:1 (nominal) |
| Loudspeaker | - |
-29.8 LUFS (Average)
|
| Performance | - |
AnTuTu: 90811 (v8)
GeekBench: 495 (v5.1)
GFXBench: 6.1fps (ES 3.1 onscreen) |
Oppo A15
- Potentially more modern design aesthetic.
- Slightly higher CPU clock speeds on performance cores.
- May be available in more color options.
- Less efficient 12nm chipset fabrication.
- Slower 10W charging.
- Lack of detailed display specifications.
Samsung Galaxy A02s
- More efficient 14nm Snapdragon 450 chipset.
- Faster 15W charging.
- Measured display brightness data available.
- Uniform CPU clock speed may limit peak performance.
- Potentially less refined design.
- 2MP macro camera offers limited utility.
Display Comparison
The Samsung Galaxy A02s boasts a measured peak brightness of 406 nits and a 1765:1 contrast ratio, providing a more visually discernible experience, especially outdoors. While the Oppo A15’s display specifications are not provided, it’s reasonable to assume it falls behind in brightness given the A02s’s measured performance. Both share a similar contrast ratio, suggesting comparable panel technology in terms of black levels, but the A02s’s higher brightness is a significant advantage for outdoor visibility.
Camera Comparison
Both devices feature photo and video capabilities, but detailed camera specifications are lacking. Without sensor size or aperture information, a direct comparison is difficult. However, given the price point, it’s safe to assume both rely on basic camera modules. The presence of a 2MP macro camera on the A02s is unlikely to significantly enhance the photography experience, and its utility is questionable. Image processing will likely be the differentiating factor, and Samsung generally offers more refined software algorithms.
Performance
The core difference lies in the chipsets. The Oppo A15 utilizes the Mediatek Helio P35, an octa-core processor with a split core configuration (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53). The Samsung Galaxy A02s features the Qualcomm Snapdragon 450, also an octa-core processor running at a uniform 1.8 GHz Cortex-A53 speed. Crucially, the Snapdragon 450 is fabricated on a 14nm process, while the Helio P35 uses a 12nm process. While seemingly minor, the 14nm process generally translates to better power efficiency, meaning the A02s may exhibit less thermal throttling under sustained load. This is important for users who engage in extended gaming or multitasking.
Battery Life
Both the Oppo A15 and Samsung Galaxy A02s achieve an endurance rating of 114 hours, indicating comparable battery life under similar usage conditions. However, the Samsung Galaxy A02s supports 15W wired charging, while the Oppo A15 is limited to 10W. This means the A02s will recharge significantly faster, reducing downtime. While both offer similar overall battery capacity, the faster charging speed provides a practical advantage for users who need to quickly top up their device.
Buying Guide
Buy the Oppo A15 if you prioritize a slightly newer design and are primarily focused on basic tasks like calling, texting, and light social media use. Buy the Samsung Galaxy A02s if you value a more established brand reputation, potentially better sustained performance due to the Snapdragon 450’s fabrication process, and a display with measured brightness data confirming its usability in brighter environments.
Frequently Asked Questions
❓ Will the Snapdragon 450 in the Galaxy A02s handle basic gaming like PUBG Mobile?
The Snapdragon 450 can run PUBG Mobile, but expect to play at lower graphics settings and frame rates. It's not a gaming powerhouse, but it's capable of providing a playable experience for casual gamers. The Helio P35 in the A15 will likely offer a similar, if not slightly less consistent, gaming experience due to potential thermal throttling.
❓ How significant is the difference between 10W and 15W charging on these phones?
The difference is noticeable. 15W charging on the A02s will reduce the time it takes to fully charge the battery compared to the A15’s 10W charging. While neither is fast charging by modern standards, the A02s will get you back up and running quicker.
❓ Is the camera quality on either of these phones good enough for social media?
Both phones are adequate for basic social media photography in good lighting conditions. Don't expect exceptional detail or low-light performance. The image processing on the Samsung A02s may produce slightly more pleasing results, but overall, the camera quality is a secondary consideration at this price point.
