Oppo A8 vs. Realme 5i: A Deep Dive into Budget Smartphone Performance

The Oppo A8 and Realme 5i represent a critical segment of the smartphone market – the sub-$150 arena. Both aim to deliver essential smartphone functionality without breaking the bank. However, they take different approaches, primarily in their core processing power. This comparison will dissect the architectural differences between the MediaTek Helio P35 and Qualcomm Snapdragon 665 to determine which device offers the best user experience.
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🏆 Quick Verdict

For the average user prioritizing responsiveness and future-proofing, the Realme 5i emerges as the better choice. Its Snapdragon 665, built on a more efficient 11nm process, provides a noticeable performance advantage over the Oppo A8’s Helio P35, despite both featuring octa-core CPUs. While the A8 may offer a slightly larger display, the 5i’s chipset delivers a smoother, more capable experience.

PHONES
Phone Names Oppo A8 Realme 5i
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 34, 38, 39, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Global
SpeedHSPA, LTEHSPA, LTE (2CA) 450/50 Mbps
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / HSPA / LTE
 CDMA2000 1xEV-DO 1, 3, 5, 8, 38, 40, 41 - India
Launch
Announced2019, December. Released 2019, December2020, January 06. Released 2020, January
StatusDiscontinuedDiscontinued
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass), plastic back, plastic frame
Dimensions163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)164.4 x 75 x 9.3 mm (6.47 x 2.95 x 0.37 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight180 g (6.35 oz)195 g (6.88 oz)
Display
Protection-Corning Gorilla Glass (unspecified)
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Size6.5 inches, 102.8 cm2 (~83.0% screen-to-body ratio)6.52 inches, 102.6 cm2 (~83.2% screen-to-body ratio)
TypeIPS LCD, 480 nits (typ)IPS LCD
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetMediatek MT6765V/CB Helio P35 (12 nm)Qualcomm SDM665 Snapdragon 665 (11 nm)
GPUPowerVR GE8320Adreno 610
OSAndroid 9.0 (Pie), ColorOS 6.1Android 9.0 (Pie), upgradable to Android 10, Realme UI
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal128GB 4GB RAM, 64GB 4GB RAM32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
 eMMC 5.1eMMC
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-12 MP, f/1.8, (wide), 1/2.9", 1.25µm, PDAF 8 MP, f/2.3, 13mm (ultrawide) 2 MP (macro) Auxiliary lens
Triple12 MP, f/1.8, (wide), PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single8 MP, f/2.08 MP, f/2.0
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGmicroUSB 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 (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging-10W wired
TypeLi-Po 4230 mAh5000 mAh
Misc
ColorsGreen, BlackBlue, Green
ModelsPDBM00RMX2030, RMX2032
PriceAbout 150 EURAbout 170 EUR

Oppo A8

  • Potentially larger display size
  • May offer a more natural color profile in photos
  • Competitive price point

  • Less powerful and efficient Helio P35 chipset
  • Likely slower app loading times
  • Potentially shorter battery life

Realme 5i

  • More efficient Snapdragon 665 chipset
  • Smoother multitasking and app performance
  • Better gaming capabilities
  • 10W wired charging

  • May have a smaller display size
  • Potentially more saturated color profile in photos
  • Limited fast charging support

Display Comparison

Neither Oppo nor Realme provide detailed display specifications beyond size. The Oppo A8 likely utilizes an IPS LCD panel, common in this price bracket. The Realme 5i also likely uses an IPS LCD. Without knowing resolution or peak brightness, it’s difficult to definitively declare a winner. However, the A8’s larger size may be preferable for some users, though it could impact one-handed usability. Color accuracy is expected to be similar on both, leaning towards the standard sRGB color space.

Camera Comparison

Detailed camera specs are unavailable. Both phones likely feature a primary camera and multiple secondary sensors (depth, macro). However, without knowing sensor sizes or apertures, a direct comparison is difficult. Image processing will likely differ, with Realme often favoring more vibrant, saturated colors, while Oppo tends towards a more natural look. The quality of the image signal processor (ISP) within the Snapdragon 665 likely gives the Realme 5i an edge in image processing capabilities, particularly in low-light conditions. The inclusion of a 2MP macro lens on both devices is largely a marketing gimmick, offering limited practical benefit.

Performance

The core difference lies in the chipsets. The Realme 5i’s Qualcomm Snapdragon 665 (11nm) is a significant upgrade over the Oppo A8’s MediaTek Helio P35 (12nm). The 11nm process node allows for greater transistor density and improved power efficiency. While both are octa-core CPUs, the Snapdragon 665 utilizes Kryo 260 Gold and Silver cores, offering a more refined big.LITTLE architecture for optimized performance and power consumption. The Helio P35’s Cortex-A53 cores, while capable, are older and less efficient. This translates to snappier app launches and smoother multitasking on the Realme 5i. The Snapdragon 665 also boasts a more capable Adreno 610 GPU, providing a better gaming experience.

Battery Life

Battery capacity is not specified for either device. However, the Snapdragon 665’s superior power efficiency gives the Realme 5i an advantage in battery life. The 10W charging on the Realme 5i is standard for this price point. While the Oppo A8’s charging speed is unknown, it’s unlikely to be significantly faster. Real-world usage will dictate actual battery life, but the 5i’s chipset is more likely to deliver all-day performance with moderate use.

Buying Guide

Buy the Oppo A8 if you prioritize a larger screen size and are primarily focused on basic tasks like calling, texting, and light social media use. Its larger form factor might be preferable for media consumption. Buy the Realme 5i if you value smoother multitasking, slightly better gaming performance, and a more efficient chipset that will likely hold up better over time. The Snapdragon 665 offers a more responsive experience for everyday use.

Frequently Asked Questions

❓ Will the Realme 5i handle popular games like PUBG Mobile smoothly?
The Snapdragon 665 in the Realme 5i is capable of running PUBG Mobile, but likely at medium settings to maintain a stable frame rate. The Helio P35 in the Oppo A8 will struggle with consistent performance, requiring lower settings and potentially experiencing lag.
❓ Is the difference in performance between the Helio P35 and Snapdragon 665 noticeable for everyday tasks?
Yes, the difference is noticeable. The Snapdragon 665 offers snappier app launches, smoother scrolling, and faster multitasking. While the Helio P35 can handle basic tasks, the 665 provides a more responsive and fluid user experience.
❓ Does the Realme 5i support any form of fast charging?
The Realme 5i supports 10W wired charging, which is standard for this price range. It is not considered fast charging, and a full charge will take approximately 2-3 hours.
❓ Which phone is better for taking photos in low light?
The Realme 5i is likely to perform better in low-light conditions due to the Snapdragon 665’s more capable image signal processor (ISP). This allows for better noise reduction and detail preservation in dimly lit environments.