Oppo A3 Pro vs Samsung Galaxy A55: Which Mid-Range Phone Reigns Supreme?

The mid-range smartphone market is fiercely competitive, and the Oppo A3 Pro and Samsung Galaxy A55 are two strong contenders vying for your attention. The A3 Pro emphasizes durability and fast charging, while the A55 focuses on a vibrant display and all-day battery life. This comparison dives deep into the specifications and real-world implications to determine which device offers the best value.
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🏆 Quick Verdict

For the average user prioritizing longevity and a consistently bright display, the Samsung Galaxy A55 is the better choice. Its Exynos 1480 chipset, coupled with a measured 1010 nits peak brightness, delivers a smoother experience and better visibility in outdoor conditions, despite the A3 Pro's faster charging.

PHONES
Phone Names Oppo A3 Pro Samsung Galaxy A55
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
5G bands1, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2024, June 212024, March 11
StatusAvailable. Released 2024, June 21Available. Released 2024, March 15
Body
Build-Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass), aluminum frame
Dimensions165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in)161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight186 g (6.56 oz)213 g (7.51 oz)
Display
ProtectionPanda glassCorning Gorilla Glass Victus+
Resolution720 x 1604 pixels, 20:9 ratio (~264 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density)
Size6.67 inches, 107.2 cm2 (~85.0% screen-to-body ratio)6.6 inches, 106.9 cm2 (~85.8% screen-to-body ratio)
TypeIPS LCD, 120Hz, 1000 nits (HBM)Super AMOLED, 120Hz, HDR10+, 1000 nits (HBM)
Platform
CPUOcta-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 6300 (6 nm)Exynos 1480 (4 nm)
GPUMali-G57 MC2Xclipse 530
OSAndroid 14, upgradable to Android 15, ColorOS 15Android 14, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Main Camera
Dual50 MP, f/1.8, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Triple-50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP (macro)
Video1080p@30/60fps4K@30fps, 1080p@30/60fps, gyro-EIS
Selfie camera
Single8 MP, f/2.0, (wide)32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30/60fps
Sound
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE, aptX HD5.3, A2DP, LE
NFCYes (market/region dependent)Yes (market/region dependent)
PositioningGPS, GALILEO, GLONASS, BDSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
Battery
Charging45W wired, 50% in 30 min25W wired
Type5100 mAhLi-Ion 5000 mAh
Misc
ColorsMoonlit Purple, Starry BlackIceblue, Lilac, Navy, Lemon
ModelsCPH2639, CPH2665SM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560
Price₹ 14,499$ 324.99 / £ 251.50 / € 319.99 / ₹ 23,998
SAR EU-0.68 W/kg (head)     1.04 W/kg (body)

Oppo A3 Pro

  • Faster 45W charging
  • Potentially more durable build (based on marketing)
  • Competitive price point

  • Less powerful chipset (Dimensity 6300)
  • Display brightness likely lower than A55
  • Limited camera information available

Samsung Galaxy A55

  • Brighter 1010 nit display
  • More powerful Exynos 1480 chipset
  • Excellent 13:27h battery life

  • Slower 25W charging
  • Potentially less durable build
  • Samsung’s One UI can be resource intensive

Display Comparison

The Samsung Galaxy A55 boasts a significant advantage in display quality, achieving a measured peak brightness of 1010 nits. This is crucial for outdoor visibility, a scenario where the Oppo A3 Pro’s display specifications are currently unknown. While the A3 Pro likely offers a respectable display, the A55’s higher brightness translates to a more usable experience in direct sunlight. We anticipate the A55 utilizes a Super AMOLED panel, known for its vibrant colors and deep blacks, while the A3 Pro’s panel type remains unspecified. The A55’s display is likely to be more enjoyable for media consumption and gaming.

Camera Comparison

Without detailed camera specifications for the Oppo A3 Pro, a direct comparison is limited. However, Samsung’s Galaxy A55 typically features a well-regarded main sensor with optical image stabilization (OIS), crucial for sharp photos and stable videos. The A55’s image processing algorithms are also refined, delivering consistent results in various lighting conditions. The inclusion of a 2MP macro camera on both devices is largely a marketing feature, offering limited practical benefit due to the small sensor size and low resolution. The A55’s camera system is likely to provide a more versatile and reliable photography experience.

Performance

The Samsung Galaxy A55’s Exynos 1480 (4nm) chipset offers a performance edge over the Oppo A3 Pro’s MediaTek Dimensity 6300 (6nm). The 4nm process node of the Exynos 1480 is more efficient, leading to better thermal management and sustained performance under load. The A55’s CPU configuration – 4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 – is also more powerful than the A3 Pro’s 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55. This translates to faster app loading times, smoother multitasking, and a more responsive user experience. While both phones utilize an octa-core architecture, the A55’s core configuration and fabrication process give it a clear advantage.

Battery Life

The Samsung Galaxy A55 shines in battery life, achieving an impressive 13 hours and 27 minutes of active use. While the Oppo A3 Pro’s battery capacity is unknown, its 45W wired charging offers a faster recharge rate – 50% in 30 minutes – compared to the A55’s 25W charging. However, the A55’s superior battery endurance means users may not need to rely on fast charging as frequently. The A55’s efficiency, stemming from the 4nm Exynos 1480, contributes significantly to its extended battery life, making it ideal for users who prioritize all-day usage.

Buying Guide

Buy the Oppo A3 Pro if you need a phone that can withstand drops and prioritize quick top-ups with its 45W charging. This phone is ideal for users who are accident-prone or frequently on the move. Buy the Samsung Galaxy A55 if you prefer a phone with exceptional battery life, a brighter and more vibrant display, and a slightly more powerful processor for demanding tasks. This is the better option for media consumption and moderate gaming.

Frequently Asked Questions

❓ Does the Exynos 1480 in the Galaxy A55 tend to overheat during prolonged gaming sessions?
The Exynos 1480, built on a 4nm process, is generally efficient and manages heat well. While some throttling may occur during extended, graphically demanding games, it’s unlikely to cause significant performance drops or discomfort. The larger surface area of the A55 also aids in heat dissipation compared to a potentially more compact A3 Pro.
❓ Is the 45W charging on the Oppo A3 Pro significantly faster in real-world use than the 25W charging on the Galaxy A55?
Yes, the A3 Pro’s 45W charging will noticeably reduce charging times. While the A55’s 25W charging is adequate, the A3 Pro can gain a substantial percentage of battery life in a shorter period, making it ideal for users who need a quick power boost. However, the A55’s superior battery life means you may not need to charge as often.
❓ How does the Dimensity 6300 compare to the Exynos 1480 in terms of graphics performance for games like PUBG Mobile?
The Exynos 1480 generally offers better graphics performance than the Dimensity 6300. You can expect higher frame rates and smoother gameplay on the A55, especially at higher graphics settings in PUBG Mobile. While the A3 Pro can run PUBG, you may need to lower the settings to maintain a consistent frame rate.