Oppo Ace2 vs Samsung Galaxy S9+: A Detailed Showdown

The Oppo Ace2 and Samsung Galaxy S9+ represent different eras of smartphone technology. The Ace2 boasts cutting-edge charging and a modern chipset, while the S9+ remains a popular choice thanks to its enduring battery life and established reputation. Let's dive into a comprehensive comparison to see which phone comes out on top.
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🏆 Quick Verdict

The Oppo Ace2 wins on performance and charging speed, offering a significantly faster Snapdragon 865. However, the Galaxy S9+ shines with its exceptional battery endurance and a more mature software experience. Ultimately, the Ace2 is for power users, while the S9+ is ideal for those prioritizing longevity.

PHONES
Phone Names Oppo Ace2 Samsung Galaxy S9+
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 - China1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - Global
5G bands1, 3, 41, 78, 79 SA/NSA - China-
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (6CA) Cat18 1200/200 Mbps
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE
 CDMA2000 1xEV-DO 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66, 71 - USA
Launch
Announced2020, April 13. Released 2020, April 202018, February 25. Released 2018, March
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)158.1 x 73.8 x 8.5 mm (6.22 x 2.91 x 0.33 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight186 g (6.56 oz)189 g (6.67 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~402 ppi density)1440 x 2960 pixels, 18.5:9 ratio (~529 ppi density)
Size6.55 inches, 103.6 cm2 (~85.9% screen-to-body ratio)6.2 inches, 98.3 cm2 (~84.2% screen-to-body ratio)
TypeAMOLED, 90Hz, HDR10+, 500 nits (typ)Super AMOLED, HDR10
 -3D Touch (home button only) Always-on display
Platform
CPUOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEAOcta-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
ChipsetQualcomm SM8250 Snapdragon 865 5G (7 nm+)Exynos 9810 (10 nm) - EMEAQualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China
GPUAdreno 650Mali-G72 MP18 - EMEAAdreno 630 - USA/LATAM, China
OSAndroid 10, ColorOS 7.1Android 8.0 (Oreo), upgradable to Android 10, One UI 2.5
Memory
Card slotNomicroSDXC (uses shared SIM slot) - dual SIM model only
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 256GB 6GB RAM
 UFS 3.0UFS 2.1
Main Camera
Dual-12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, AF, OIS, 2x optical zoom
FeaturesLED flash, HDR, panoramaLED flash, auto-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 lenses-
Video4K@30/60fps, 1080p@30/60/240fps; gyro-EIS4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS & OIS (30fps)
Selfie camera
Dual-8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF 2 MP (dedicated iris scanner camera)
FeaturesHDRHDR
Single16 MP, f/2.4, 29mm (wide), 1/3.06", 1.0µm-
Video1080p@30fps1440p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 -32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.0, A2DP, LE, aptX
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5)GPS, GLONASS, BDS, GALILEO
RadioNoFM radio (USA & Canada only)
USBUSB Type-C 2.0, OTGUSB Type-C 3.1
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassIris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
 -Samsung DeX (desktop experience support) ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified)
Battery
Charging65W wired, 100% in 30 min 40W wireless, 100% in 56 min 10W wireless reversed15W wired, QC2 Wireless (Qi) (market dependent)
TypeLi-Po 4000 mAhLi-Ion 3500 mAh, non-removable (13.48 Wh)
Misc
ColorsAurora Silver, Moon Rock Grey, Fantasy PurpleMidnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold, Ice Blue, Polaris Blue
ModelsPDHM00SM-G965F, SM-G965U, SM-G965W, SM-G9650, SM-G965U1, SM-G965N, SCV39, SM-G965X, SC-03K
PriceAbout 520 EURAbout 200 EUR
SAR-0.78 W/kg (head)     0.79 W/kg (body)
SAR EU-0.29 W/kg (head)     1.35 W/kg (body)
Tests
Audio quality- Noise -92.6dB / Crosstalk -93.4dB
Battery life- Endurance rating 86h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal), 4.537 (sunlight)
Loudspeaker- Voice 68dB / Noise 74dB / Ring 80dB
Performance- AnTuTu: 246660 (v7) GeekBench: 8883 (v4.4) GFXBench: 14fps (ES 3.1 onscreen)
OUR TESTS
Audio quality-Noise -92.6dB / Crosstalk -93.4dB
Battery (old)-Endurance rating 86h
Camera-Photo / Video
Display-Contrast ratio: Infinite (nominal), 4.537 (sunlight)
Loudspeaker-Voice 68dB / Noise 74dB / Ring 80dB
Performance-AnTuTu: 246660 (v7) GeekBench: 8883 (v4.4) GFXBench: 14fps (ES 3.1 onscreen)

Oppo Ace2

  • Blazing-fast charging (65W wired, 40W wireless)
  • Powerful Snapdragon 865 chipset
  • Modern design
  • Likely improved camera processing

  • Battery life likely shorter than S9+
  • Software support may be limited compared to Samsung
  • Availability may be restricted depending on region

Samsung Galaxy S9+

  • Exceptional battery life (86h endurance rating)
  • Reliable Samsung software experience
  • Good camera performance
  • Widely available and affordable

  • Older chipset (Exynos 9810/Snapdragon 845)
  • Slower charging (15W wired)
  • Outdated design compared to modern phones

Display Comparison

The Oppo Ace2 features an AMOLED display, likely with a higher refresh rate (spec not explicitly stated, but common for the era) offering vibrant colors and smooth scrolling. The Galaxy S9+ also has a Super AMOLED display with excellent contrast and color accuracy. While both are great, the Ace2's potential higher refresh rate gives it a slight edge in perceived smoothness.

Camera Comparison

Both phones offer capable cameras. The Galaxy S9+ has a well-regarded dual-lens setup known for its image quality and versatility. The Oppo Ace2 likely has a more modern camera system with improved processing and potentially better low-light performance, though specific details are needed. Both offer good video recording capabilities.

Performance

Here, the Oppo Ace2 dominates. The Snapdragon 865 is significantly more powerful than the Exynos 9810 or Snapdragon 845 found in the S9+. Expect faster app loading, smoother multitasking, and better gaming performance on the Ace2. The S9+ is still capable, but it shows its age.

Battery Life

The Galaxy S9+ is the clear winner in battery life. Its endurance rating of 86 hours is exceptional. The Oppo Ace2's battery capacity is likely smaller, and while its 65W charging is incredibly fast, it won't compensate for significantly shorter battery life.

Buying Guide

Who should buy the Oppo Ace2? Gamers, power users, and those who value fast charging and the latest technology. Who should buy the Samsung Galaxy S9+? Users seeking long battery life, a reliable camera, and a familiar Samsung experience, especially at a budget-friendly price point.

Frequently Asked Questions

❓ Is the Oppo Ace2 worth buying in 2024?
If you prioritize performance and fast charging and can find it at a reasonable price, the Ace2 is still a capable phone. However, consider newer models for longer software support.
❓ How does the Galaxy S9+ battery life compare to newer phones?
Even today, the S9+'s battery life is impressive, though newer phones generally offer better efficiency. It's still a strong point for the S9+.