Oppo Ace2 vs Xiaomi Redmi K30 Pro Zoom: A Deep Dive into Performance and Charging

Both the Oppo Ace2 and Xiaomi Redmi K30 Pro Zoom emerged as compelling flagship contenders, leveraging the power of the Snapdragon 865. However, they cater to slightly different priorities. The Ace2 aggressively prioritizes charging speed, while the K30 Pro Zoom aims for a more balanced approach. This comparison dissects their strengths and weaknesses to determine which device best suits your needs.
Phones Images

🏆 Quick Verdict

For users prioritizing the absolute fastest charging and wireless convenience, the Oppo Ace2 is the clear winner. Its 65W wired and 40W wireless charging significantly outperform the K30 Pro Zoom’s 33W wired solution. However, the K30 Pro Zoom remains a strong contender for those seeking a more affordable flagship experience.

PHONES
Phone Names Oppo Ace2 Xiaomi Redmi K30 Pro Zoom
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 - China1, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G bands1, 3, 41, 78, 79 SA/NSA - China1, 3, 41, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 CDMA2000 1xEV-DO CDMA2000 1xEV-DO
Launch
Announced2020, April 13. Released 2020, April 202020, March 24. Released 2020, April 04
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions160 x 75.4 x 8.6 mm (6.30 x 2.97 x 0.34 in)163.3 x 75.4 x 8.9 mm (6.43 x 2.97 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight186 g (6.56 oz)218 g (7.69 oz)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~402 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.55 inches, 103.6 cm2 (~85.9% screen-to-body ratio)6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio)
TypeAMOLED, 90Hz, HDR10+, 500 nits (typ)Super AMOLED, HDR10+, 500 nits (typ)
Platform
CPUOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM8250 Snapdragon 865 5G (7 nm+)Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
GPUAdreno 650Adreno 650
OSAndroid 10, ColorOS 7.1Android 10, MIUI 11
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM, 512GB 12GB RAM
 UFS 3.0UFS 3.1
Main Camera
FeaturesLED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Quad48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm, AF Auxiliary lenses64 MP, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 8 MP, (telephoto), PDAF, OIS, 3x optical zoom 13 MP, 13mm (ultrawide) Auxiliary lens
Video4K@30/60fps, 1080p@30/60/240fps; gyro-EIS8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 1080p@960fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.4, 29mm (wide), 1/3.06", 1.0µmMotorized pop-up 20 MP, (wide), 1/3.4", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes
 -24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.1, A2DP, LE, aptX HD, aptX Adaptive
Infrared port-Yes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5)GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
Battery
Charging65W wired, 100% in 30 min 40W wireless, 100% in 56 min 10W wireless reversed33W wired, PD, QC4, 100% in 63 min
TypeLi-Po 4000 mAhLi-Po 4700 mAh
Misc
ColorsAurora Silver, Moon Rock Grey, Fantasy PurpleGrey, Purple, White, Blue
ModelsPDHM00-
PriceAbout 520 EURAbout 500 EUR

Oppo Ace2

  • Significantly faster 65W wired charging
  • 40W wireless charging support
  • 10W reverse wireless charging
  • Potentially optimized software for gaming

  • May be more expensive than the K30 Pro Zoom
  • Potential for more aggressive power consumption due to faster charging

Xiaomi Redmi K30 Pro Zoom

  • More affordable price point
  • Solid Snapdragon 865 performance
  • Potentially better zoom capabilities (based on name)
  • Balanced feature set

  • Slower 33W wired charging
  • No wireless charging support
  • Less emphasis on charging speed

Display Comparison

While both devices utilize AMOLED panels, specific details like refresh rate, peak brightness, and color accuracy are missing from the provided data. However, given their flagship positioning, both likely offer vibrant displays with at least a 90Hz refresh rate. The absence of LTPO technology suggests neither will dynamically adjust refresh rates for optimal power efficiency. Bezels are likely comparable, reflecting the design trends of 2020. Color accuracy will depend on calibration, but both brands typically offer modes targeting 100% DCI-P3 coverage.

Camera Comparison

The provided data lacks specific camera details. However, given the K30 Pro Zoom’s name, it likely features a more versatile zoom lens compared to the Ace2. Both phones likely employ a multi-camera system with a primary sensor, ultrawide, and potentially a macro lens. Image processing styles will differ – Oppo typically favors more vibrant and saturated images, while Xiaomi often aims for a more natural look. Sensor size and aperture are crucial factors, but without that information, a definitive camera comparison is impossible. We can assume both will offer capable daylight performance, but low-light capabilities will hinge on sensor size and image stabilization (OIS).

Performance

Both the Oppo Ace2 and Xiaomi Redmi K30 Pro Zoom are powered by the Qualcomm SM8250 Snapdragon 865 5G (7 nm+). The CPU configuration is identical – an octa-core setup with 1x2.84 GHz Cortex-A77, 3x2.42 GHz Cortex-A77, and 4x1.80 GHz Cortex-A55 cores. This means raw processing power will be virtually indistinguishable between the two. Performance will largely depend on thermal management and sustained clock speeds. The 7nm+ process node offers improved efficiency over previous generations, but prolonged intensive tasks could still lead to throttling. RAM speed (likely LPDDR5) is also expected to be similar, further minimizing performance differences.

Battery Life

The battery capacity is not specified, but the charging speeds are a key differentiator. The Oppo Ace2 boasts 65W wired charging, achieving a 100% charge in just 30 minutes. It also supports 40W wireless charging, completing a full charge in 56 minutes, and 10W reverse wireless charging. The Xiaomi Redmi K30 Pro Zoom, in contrast, offers 33W wired charging, taking 63 minutes to reach 100%. This represents a significant advantage for the Ace2, particularly for users who frequently need to quickly top up their battery. While a larger battery capacity on the K30 Pro Zoom could partially offset the slower charging, the Ace2’s speed is a compelling benefit.

Buying Guide

Buy the Oppo Ace2 if you need blazing-fast charging, both wired and wireless, and frequently top up your phone throughout the day. It’s ideal for power users and those who dislike long charging waits. Buy the Xiaomi Redmi K30 Pro Zoom if you prefer a more cost-effective flagship experience with solid performance and don't require the absolute fastest charging speeds. It’s a great choice for users who charge their phones less frequently.

Frequently Asked Questions

❓ Does the Oppo Ace2's 65W charging generate excessive heat during prolonged use?
While 65W charging is incredibly fast, Oppo incorporates intelligent charging algorithms and thermal management systems to minimize heat generation. The phone is designed to regulate temperature during charging, preventing damage to the battery and ensuring user safety. However, some warmth is expected during rapid charging.
❓ Is the lack of wireless charging on the Redmi K30 Pro Zoom a significant drawback for everyday use?
For users accustomed to the convenience of wireless charging, its absence on the K30 Pro Zoom is a notable omission. However, if you primarily charge your phone overnight with a wired connection, it may not be a dealbreaker. The 33W wired charging is still reasonably fast, albeit slower than the Ace2.
❓ Will both phones experience throttling during extended gaming sessions?
Both the Oppo Ace2 and Redmi K30 Pro Zoom utilize the Snapdragon 865, which is known to generate heat under sustained load. Throttling is likely to occur during prolonged gaming sessions, but the extent will depend on the phone's cooling system and software optimization. Neither device is immune to this phenomenon.