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Oppo A8 vs Oppo A91: A Detailed Comparison

Oppo's A-series phones are known for offering impressive features at affordable prices. The Oppo A8 and A91 are two popular contenders in this space, but which one is the better choice for your needs? This comprehensive comparison will delve into their key differences to help you make an informed decision.
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Oppo A8 vs A91: Which Budget Phone Reigns Supreme?

🏆 Quick Verdict

The Oppo A91 generally wins due to its significantly faster processor (Helio P70 vs P35), better camera capabilities, and faster charging. While the A8 might be slightly more budget-friendly, the A91 offers a more premium experience and better overall performance for a small price difference.

PHONES
Phone Names Oppo A8 Oppo A91
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 1700(AWS) / 1900 / 2100 - International
4G bands1, 3, 5, 8, 34, 38, 39, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / CDMA / HSPA / LTE
 CDMA2000 1xEV-DO 1, 3, 4, 5, 8, 34, 38, 39, 40, 41 - China
Launch
Announced2019, December. Released 2019, December2019, December 20. Released 2019, December
StatusDiscontinuedDiscontinued
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 5), plastic back, plastic frame
Dimensions163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight180 g (6.35 oz)172 g (6.07 oz)
Display
Protection-Corning Gorilla Glass 5
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)1080 x 2400 pixels, 20:9 ratio (~408 ppi density)
Size6.5 inches, 102.8 cm2 (~83.0% screen-to-body ratio)6.4 inches, 100.4 cm2 (~85.5% screen-to-body ratio)
TypeIPS LCD, 480 nits (typ)AMOLED, 430 nits (typ)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
ChipsetMediatek MT6765V/CB Helio P35 (12 nm)Mediatek MT6771V Helio P70 (12 nm)
GPUPowerVR GE8320Mali-G72 MP3
OSAndroid 9.0 (Pie), ColorOS 6.1Android 9.0 (Pie), upgradable to Android 11, ColorOS 11
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal128GB 4GB RAM, 64GB 4GB RAM128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
 eMMC 5.1UFS 2.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP B/W, f/2.4, 1/5.0", 1.75µm Auxiliary lens
Triple12 MP, f/1.8, (wide), PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps1080p@30fps, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single8 MP, f/2.016 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE4.2, A2DP, LE
NFCNoNo
PositioningGPS, BDSGPS, GLONASS, BDS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging-20W wired, 50% in 30 min
TypeLi-Po 4230 mAhLi-Po 4025 mAh, non-removable
Misc
ColorsGreen, BlackLightening Black, Unicorn White, Blazing Blue, Red
ModelsPDBM00PCPM00, CPH2001, CPH2021
PriceAbout 150 EURAbout 200 EUR

Oppo A8

  • More affordable
  • Decent battery life
  • Large display
  • Slow performance
  • Basic camera
  • Slow charging

Oppo A91

  • Faster performance
  • Better camera
  • Fast charging
  • Sleek design (likely)
  • Slightly more expensive
  • May lack some niche features

Display Comparison

Both phones feature large displays, likely around 6.3-6.5 inches, with HD+ resolution. The A91 might offer slightly better color accuracy and brightness due to potentially more advanced panel technology, but both are adequate for everyday use. Expect similar viewing angles and overall display quality.

Camera Comparison

The A91 typically boasts a more versatile and higher-resolution camera system. While both likely include a main sensor, ultrawide, and potentially a depth sensor, the A91's image processing and overall camera hardware are generally superior, resulting in better photos and videos, especially in low light. Expect improved dynamic range and detail.

Performance

This is where the A91 shines. The Helio P70 chipset in the A91 is a substantial upgrade over the A8's Helio P35. Expect noticeably faster app loading times, smoother multitasking, and better gaming performance on the A91. The A8 will feel sluggish by comparison, especially with demanding apps.

Battery Life

Both phones likely feature batteries in the 4000-5000 mAh range. However, the A91's 20W fast charging is a significant advantage, allowing for much quicker top-ups compared to the A8's likely standard charging speed. This translates to less time tethered to a charger.

Buying Guide

Who should buy the Oppo A8? Users on a very tight budget who prioritize affordability over performance and don't need advanced camera features. Who should buy the Oppo A91? Those seeking a smoother user experience, better camera quality, and faster charging without breaking the bank.

Frequently Asked Questions

❓ Is the Oppo A8 good for gaming?
The Oppo A8's Helio P35 chipset is adequate for basic games, but it will struggle with more demanding titles. Expect lag and reduced graphics settings.
❓ How much storage do the Oppo A8 and A91 offer?
Both phones typically come in configurations with 64GB or 128GB of storage, often expandable via microSD card. Check specific model variants for exact storage options.
❓ What operating system do these phones run?
Both the Oppo A8 and A91 run on ColorOS, Oppo's custom Android skin. The A91 likely has a slightly newer version of ColorOS.