Oppo A1 (2018) vs. Motorola Moto G5S Plus: A Deep Dive into Budget Smartphone Choices

Released in 2018, the Oppo A1 and Motorola Moto G5S Plus represent a pivotal moment in the budget smartphone market. Both devices aimed to deliver a compelling experience without breaking the bank, but they took different approaches. The Oppo A1 leveraged MediaTek's Helio P23, while the Moto G5S Plus opted for Qualcomm's Snapdragon 625. This comparison dissects their strengths and weaknesses to determine which phone holds up better today.
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🏆 Quick Verdict

For the average user prioritizing long-term performance and battery efficiency, the Motorola Moto G5S Plus is the better choice. While the Oppo A1's Helio P23 offers a slightly higher clock speed, the Snapdragon 625's 14nm process and optimized architecture deliver superior sustained performance and battery life, evidenced by its 81-hour endurance rating.

PHONES
Phone Names Oppo A1 (2018) Motorola Moto G5S Plus
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 5, 7, 8, 34, 38, 39, 40, 411, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41
EDGE-No
GPRS-Class 10
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE (2CA) Cat7 300/150 Mbps
TechnologyGSM / CDMA / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2018, March. Released 2018, April2017, August. Released 2017, August
StatusDiscontinuedDiscontinued
Body
Build-Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Dimensions150.5 x 73.1 x 7.7 mm (5.93 x 2.88 x 0.30 in)153.5 x 76.2 x 8 mm (6.04 x 3.00 x 0.31 in)
Keyboard-QWERTY
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight143 g (5.04 oz)168 g (5.93 oz)
 -Splash resistant
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution720 x 1440 pixels, 18:9 ratio (~282 ppi density)1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio)5.5 inches, 83.4 cm2 (~71.3% screen-to-body ratio)
TypeS-IPS LCDIPS LCD
Platform
CPUOcta-core 2.5 GHz Cortex-A53Octa-core 2.0 GHz Cortex-A53
ChipsetMediatek MT6763T Helio P23 (16 nm)Qualcomm MSM8953 Snapdragon 625 (14 nm)
GPUMali-G71 MP1Adreno 506
OSAndroid 7.1.1 (Nougat), ColorOS 3.2Android 7.1 (Nougat), upgradable to Android 8.1 (Oreo)
Memory
Call records-20 dialed, 20 received, 20 missed calls
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal32GB 3GB RAM, 64GB 4GB RAM32GB 3GB RAM, 64GB 4GB RAM
Phonebook-2000 entries
 -eMMC 5.1
Main Camera
FeaturesLED flash, panoramaDual-LED dual-tone flash, panorama
Single13 MP, f/2.2, 1/3.1", 1.12µm, PDAF13 MP, f/2.0, AF 13 MP, (depth)
Video1080p@30fps4K@30fps, 1080p@60fps, 1080p@30fps (gyro-EIS)
Selfie camera
Features-LED flash
Single8 MP, f/2.28 MP, f/2.0
Video-1080p@30fps, 480p@120fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE4.2, A2DP, LE, EDR, aptX
NFCNoYes (market dependent)
PositioningGPSGPS, GLONASS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGmicroUSB 2.0
WLANWi-Fi 802.11 a/b/g/n, Wi-Fi DirectWi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Features
Browser-WAP 2.0/xHTML
Games-Yes
Java-No
Messaging-SMS, MMS, IM
SensorsAccelerometer, proximity, compassFingerprint (front-mounted), accelerometer, gyro, proximity
Battery
Charging-15W wired
Stand-by-Up to 300 h
Talk time-Up to 4 h
TypeLi-Ion 3180 mAh, non-removableLi-Ion 3000 mAh, non-removable
Misc
ColorsDeep sea blue, Cherry red, Pearl whiteLunar Gray, Fine Gold
Models-XT1803, XT1805, XT1806, XT1804, Moto G5S Plus (XT1804)
PriceAbout 150 EURAbout 160 EUR
SAR-0.10 W/kg (head)     1.08 W/kg (body)
SAR EU-0.38 W/kg (head)     1.27 W/kg (body)
Tests
Audio quality- Noise -34.8dB / Crosstalk -93.4dB
Battery life- Endurance rating 81h
Camera- Photo / Video
Display- Contrast ratio: 1354:1 (nominal), 2.736 (sunlight)
Loudspeaker- Voice 91dB / Noise 74dB / Ring 86dB
Performance- GeekBench: 4331 (v4.4) GFXBench: 3.8fps (ES 3.1 onscreen)

Oppo A1 (2018)

  • Potentially higher peak CPU clock speed (2.5 GHz)
  • May be available at a lower price point (depending on current market)
  • Octa-core processor for multitasking

  • Less efficient 16nm process leads to higher power consumption
  • Likely to experience more thermal throttling under load
  • Limited information available on camera and display quality

Motorola Moto G5S Plus

  • Superior power efficiency thanks to the 14nm Snapdragon 625
  • Excellent battery life (81-hour endurance rating)
  • Qualcomm’s optimized ISP for better image processing

  • Lower CPU clock speed (2.0 GHz) compared to the Oppo A1
  • Display technology is not cutting-edge
  • May be slightly more expensive than the Oppo A1

Display Comparison

Both the Oppo A1 (2018) and Motorola Moto G5S Plus share the same nominal contrast ratio of 1354:1 and a sunlight contrast ratio of 2.736. This suggests a similar viewing experience in direct sunlight. However, detailed panel specifications like resolution and color gamut are missing for the Oppo A1. The Moto G5S Plus, while not boasting cutting-edge display technology, provides a reliably viewable experience, and the shared contrast ratios indicate comparable outdoor visibility.

Camera Comparison

Both phones offer 'Photo / Video' capabilities, but specific details regarding sensor size, aperture, or image processing are absent. Without this information, a direct comparison is difficult. However, Qualcomm’s Snapdragon chipsets generally offer superior image signal processing (ISP) capabilities compared to MediaTek’s offerings at this price point. This suggests the Moto G5S Plus likely delivers better image quality, particularly in low-light conditions, even with similar hardware. The lack of detail on the Oppo A1’s camera makes it difficult to assess its capabilities accurately.

Performance

The core difference lies in the chipsets. The Oppo A1 utilizes the MediaTek MT6763T Helio P23, an octa-core processor clocked at 2.5 GHz, built on a 16nm process. The Motorola Moto G5S Plus features the Qualcomm MSM8953 Snapdragon 625, also an octa-core processor, but clocked at 2.0 GHz and fabricated on a more efficient 14nm process. While the Helio P23 has a higher clock speed, the Snapdragon 625’s smaller manufacturing node translates to significantly better power efficiency and sustained performance. This means the Moto G5S Plus is less likely to throttle under load, providing a smoother experience during prolonged gaming or multitasking. The Snapdragon 625’s architecture is also more mature and optimized for Android.

Battery Life

The Motorola Moto G5S Plus shines in battery life, boasting an endurance rating of 81 hours. This is a testament to the Snapdragon 625’s power efficiency. The Oppo A1’s battery capacity and charging speed are not specified, making a direct comparison challenging. However, given the Helio P23’s less efficient 16nm process, it’s highly probable that the Oppo A1 will require more frequent charging. The Moto G5S Plus also supports 15W wired charging, providing a reasonable recharge time.

Buying Guide

Buy the Oppo A1 (2018) if you prioritize a potentially higher peak CPU clock speed for very light multitasking and aren't concerned about long-term performance or battery degradation. Buy the Motorola Moto G5S Plus if you value consistent performance, exceptional battery life, and a more efficient chipset, making it ideal for daily use and moderate gaming.

Frequently Asked Questions

❓ Will the Oppo A1's Helio P23 struggle with modern app updates and Android versions?
The Helio P23, while capable in 2018, is likely to show its age with newer Android versions and increasingly demanding app updates. The Snapdragon 625 in the Moto G5S Plus, due to Qualcomm’s ongoing software support and optimization, will likely handle these updates more gracefully.
❓ How much does the Snapdragon 625's efficiency impact real-world usage on the Moto G5S Plus?
The Snapdragon 625’s 14nm process translates to significantly less heat generation and power consumption. This means you can expect longer battery life, less throttling during gaming, and a cooler device overall, even with extended use. The Moto G5S Plus can comfortably last a full day on a single charge with moderate usage.
❓ Is the camera on the Moto G5S Plus good enough for casual photography?
While not a flagship-level camera, the Moto G5S Plus’s camera, powered by Qualcomm’s ISP, is capable of producing good-quality photos in well-lit conditions. It excels in consistent performance and image processing, making it suitable for everyday snapshots and social media sharing.