A3 Pro in Starry Black, Front + Back view

Official manufacturer render.

OPPO

A3 Pro

Phone2024Released
  • 6.7-inch
  • MediaTek Dimensity 6300
  • 186 g
  • 5100 mAh
Model number
CPH2639

Available colors

Selected: Starry Black

Physical specifications

6.7"

Display size

186 g

Weight

165.8 mm

Height

76.1 mm

Width

7.7 mm

Thickness

19.5:9

Aspect ratio

Release and pricing

Released
June 21, 2024

Display

Display size
6.7"
Display technology
LCD
Resolution
1604 × 720
Refresh rate
120 Hz
Peak brightness
1000 nits
Protection
China Southern Glass (twice-reinforced)

Performance

Chipset
MediaTek Dimensity 6300
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Expandable storage
Yes

Battery & charging

Typical capacity
5100 mAh
Rated capacity
4970 mAh
Wired charging
45 W
Charging standard
SUPERVOOC

Connectivity

Cellular
5G, LTE, 3G, 2G
Wi‑Fi
Wi-Fi 5
Bluetooth
Bluetooth 5.3
USB
USB Type-C
NFC
Yes

Sizometry Analysis

Overall Score

6.0

out of 10

An entry-level 5G phone built around a slim profile despite a large 5,100 mAh battery and durability marketing claims, held back by a soft 720p display with visible motion blur and a single functional camera lens with weak low-light performance.

Category scores

Camera

5.0

50MP main sensor performs well in bright conditions, but the lack of a second functional lens and OIS limits versatility and low-light results.

Battery and charging

8.0

5,100 mAh cell delivers exceptional all-day endurance, backed by reasonably fast 45W charging for the price tier.

Performance

6.0

Dimensity 6300 handles everyday tasks responsively but is built on an older node and isn't intended for demanding gaming.

Handling and portability

7.5

186 g and a slim 7.68mm profile keep the phone comfortable to hold despite housing a large battery.

Build quality

6.0

Armour Body marketing and IP54 splash resistance offer reasonable entry-level protection, though below the IP69 rating of some regional variants.

Value

6.5

Strong battery life and 5G connectivity at an entry-level price, though the soft display resolution limits the overall value proposition.

Strengths

  • 5,100 mAh battery delivers exceptional all-day endurance
  • Slim 7.68mm profile despite a large internal battery
  • 45W SUPERVOOC charging is fast for the price tier
  • MicroSD expansion available at an entry-level price point

Weaknesses

  • 720p display resolution looks soft for text and fine detail
  • Noticeable motion blur from the LCD panel's response time
  • Single functional rear camera lens limits shooting versatility
  • Low-light photos show visible noise without OIS

Best for

  • Budget-conscious buyers who prioritize battery life over display sharpness
  • Users who value a slim, comfortable profile despite a large battery
  • Casual photographers who mainly shoot in bright conditions
  • Buyers who want microSD expansion at an entry-level price

Less suitable for

  • Buyers who prioritize display sharpness and fine detail
  • Photography-focused users wanting a second functional camera lens
  • Users who shoot frequently in low light
  • Gamers wanting sustained high-performance chipsets

Upgrade recommendation

  • Current device: Older entry-level or budget Android phones

    Recommendation: Strongly recommended

    Notes: Larger battery, 5G connectivity, and the Dimensity 6300 chipset represent tangible improvements over older entry-level hardware.

  • Current device: Buyers prioritizing display sharpness or camera versatility

    Recommendation: Worth considering

    Notes: OPPO's Reno series or similarly priced rivals offer higher-resolution panels and multi-lens camera systems better suited to those priorities.

  • Current device: Similarly priced entry-level 5G rivals

    Recommendation: Depends on priorities

    Notes: The A3 Pro 5G wins on battery life and profile slimness; rivals with sharper displays may better suit buyers who prioritize screen quality.

  • Current device: Recent midrange or flagship-tier phone owners

    Recommendation: Probably unnecessary

    Notes: The A3 Pro 5G's value proposition is strongest for buyers moving up from older entry-level hardware, not down from stronger devices.

Everyday usability

Estimated from device dimensions and weight.

  • One-handed use

    Average

    One-handed use is possible, though two hands will often feel easier.

  • Pocket friendliness

    Average

    Pocketable, but you will notice its height and width in tighter pockets.

  • Carry comfort

    Balanced

    Weight sits in a balanced range for everyday holding and carrying.

  • Reading and media

    A large canvas for reading, video, and longer on-screen sessions.

  • Gaming

    Insufficient data

    The available specifications are not detailed enough to assess demanding-game performance reliably.

Bottom line

The OPPO A3 Pro 5G earns its place as a battery-focused entry-level phone — a 5,100 mAh cell delivers exceptional all-day endurance in a surprisingly slim 7.68mm profile, backed by durability marketing and reasonably fast 45W charging. Its clearest trade-offs are a 720p display that looks soft with noticeable motion blur, and a single functional camera lens that struggles in low light without OIS. Budget-conscious buyers prioritizing battery life over display sharpness see the clearest benefits; those wanting a sharper screen or more versatile camera should look elsewhere in OPPO's lineup.

Models and configurations

Storage
128 GB256 GB
Connectivity
5GLTE3G2G
Colors
Starry BlackMoonlight Purple
RAM
6 GB8 GB
Model variants
CPH2639

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