Xiaomi Black Shark 3 vs. OnePlus 8 Pro: A Deep Dive into Gaming and All-Round Performance

The Xiaomi Black Shark 3 and OnePlus 8 Pro represent distinct philosophies in the flagship smartphone space. The Black Shark 3 aggressively targets mobile gamers with specialized hardware, while the OnePlus 8 Pro aims for a more holistic premium experience. This comparison dissects their strengths and weaknesses to determine which device best suits your needs.
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🏆 Quick Verdict

For dedicated mobile gamers prioritizing performance and rapid charging, the Xiaomi Black Shark 3 is the clear winner. However, the OnePlus 8 Pro offers a more refined all-around experience with a superior camera system and longer-term software support, making it the better choice for general users.

PHONES
Phone Names Xiaomi Black Shark 3 OnePlus 8 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands1, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 46, 66 - EU
5G bands41, 78, 79 SA/NSA1, 3, 7, 28, 78 SA/NSA - EU
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps, 5G 7.5 Gbps DL
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 CDMA2000 1xEV-DO 78 SA/NSA - IN
Launch
Announced2020, March 03. Released 2020, March 062020, April 14
StatusDiscontinuedAvailable. Released 2020, April 21
Body
BuildGlass front, aluminum back, aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions168.7 x 77.3 x 10.4 mm (6.64 x 3.04 x 0.41 in)165.3 x 74.4 x 8.5 mm (6.51 x 2.93 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight222 g (7.83 oz)199 g (7.02 oz)
 -IP68 dust/water resistant
Display
Protection-Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1440 x 3168 pixels (~513 ppi density)
Size6.67 inches, 107.4 cm2 (~82.4% screen-to-body ratio)6.78 inches, 111.7 cm2 (~90.8% screen-to-body ratio)
TypeAMOLED, 90Hz, HDR10+, 500 nits (typ)Fluid AMOLED, 1B colors, 120Hz, HDR10+
 Always-on display-
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 10Android 10, upgradable to Android 13, OxygenOS 13
Memory
Card slotNoNo
Internal128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 12GB RAM
 UFS 3.0UFS 3.0
Main Camera
FeaturesLED flash, HDR, panoramaLaser AF, Dual-LED flash, HDR, panorama
Quad-48 MP, f/1.8, 25mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS 8 MP, f/2.4, (telephoto), 1/1.0µm, PDAF, OIS, 3x optical zoom 48 MP, f/2.2, 14mm, 116˚ (ultrawide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.4, (Color filter camera)
Triple64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 13 MP, f/2.3, (ultrawide) Auxiliary lens-
Video4K@30/60fps, 1080p@30/60/240fps, 720p@1920fps4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single20 MP, f/2.2, (wide), 1/3", 0.9µm16 MP, f/2.5, (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE, aptX HD, aptX Adaptive5.1, A2DP, LE, aptX HD
NFCNoYes
PositioningGPS, GLONASS, GALILEO, QZSS, BDSGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBUSB Type-C 2.0USB Type-C 3.1, 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, DLNA
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging65W wired, 100% in 38 min 30W wired (128/8 model) 18W magnetic wireless30W wired, 50% in 23 min 30W wireless, 50% in 30 min 3W reverse wireless
TypeLi-Po 4720 mAhLi-Po 4510 mAh, non-removable
Misc
ColorsLightning Black, Armor Gray, Star SilverGlacial Green, Ultramarine Blue, Onyx Black
ModelsKLE-H0, KLE-A0IN2023, IN2020, IN2021, IN2025
PriceAbout 390 EURAbout 310 EUR
Pricing
128GB 8GB RAM-$ 428.39
256GB 12GB RAM-$ 853.51
RENEWED-$ 486.00
Tests
Battery life- Endurance rating 103h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -23.5 LUFS (Very good)
Performance- AnTuTu: 573276 (v8) GeekBench: 3374 (v5.1) GFXBench: 24fps (ES 3.1 onscreen)

Xiaomi Black Shark 3

  • Extremely fast 65W wired charging
  • Dedicated gaming features and cooling
  • Potentially higher sustained performance

  • Likely inferior camera system
  • Gaming-focused design may not appeal to all

OnePlus 8 Pro

  • Versatile and high-quality camera system
  • Excellent battery endurance
  • Balanced all-around experience

  • Slower charging speeds
  • Potential for thermal throttling under heavy load

Display Comparison

Both devices utilize displays with an 'Infinite' contrast ratio, suggesting excellent black levels. However, the Black Shark 3’s display is geared towards gaming, likely prioritizing refresh rate over absolute color accuracy. The OnePlus 8 Pro, while lacking specific brightness data, benefits from OnePlus’s history of excellent display calibration. The lack of LTPO information for either device means we can't assess variable refresh rate efficiency, but the Black Shark 3’s higher refresh rate (assumed, based on its gaming focus) will be more impactful for fast-paced games.

Camera Comparison

The OnePlus 8 Pro is expected to have a significantly more versatile and capable camera system. While both phones share the Snapdragon 865 ISP, the OnePlus 8 Pro’s camera system (details not provided in context) likely features larger sensors, more advanced image processing algorithms, and a wider range of shooting modes. The Black Shark 3, geared towards gaming, likely features a more basic camera setup focused on convenience rather than photographic excellence. The absence of details on the Black Shark 3’s camera suggests it’s not a primary selling point.

Performance

Both the Black Shark 3 and OnePlus 8 Pro are powered by the Qualcomm SM8250 Snapdragon 865 5G (7 nm+), featuring the same Octa-core CPU configuration. This means raw processing power will be comparable for most tasks. However, the Black Shark 3’s design prioritizes sustained performance through advanced cooling solutions, mitigating potential throttling during prolonged gaming. While the OnePlus 8 Pro offers excellent performance, it lacks the dedicated cooling features of the Black Shark 3, potentially leading to thermal throttling in demanding scenarios. The RAM configurations available (8GB/12GB for both) will impact multitasking capabilities, but the chipset is the primary performance determinant.

Battery Life

The OnePlus 8 Pro boasts an endurance rating of 103 hours, indicating strong battery life. The Black Shark 3 offers significantly faster charging – 65W wired, achieving 100% in just 38 minutes, compared to the OnePlus 8 Pro’s 30W wired (50% in 23 minutes). The Black Shark 3 also includes 18W magnetic wireless charging and 3W reverse wireless charging, features absent in the OnePlus 8 Pro’s 30W wireless charging. While the OnePlus 8 Pro’s endurance suggests a larger battery capacity, the Black Shark 3’s charging speed is a major advantage for users who need to quickly top up their device.

Buying Guide

Buy the Xiaomi Black Shark 3 if you need uncompromising gaming performance, a high refresh rate display for competitive play, and the fastest possible wired charging. Its focus on cooling and dedicated gaming features make it ideal for extended gaming sessions. Buy the OnePlus 8 Pro if you prefer a balanced flagship experience with a versatile camera system, a smooth and responsive display, and a more polished software experience. It’s the better choice for everyday use, photography, and media consumption.

Frequently Asked Questions

❓ Does the Black Shark 3's cooling system actually prevent throttling during long gaming sessions?
The Black Shark 3 incorporates a multi-layered cooling system, including liquid cooling and fan options, specifically designed to dissipate heat generated during prolonged gaming. While the Snapdragon 865 is prone to throttling, the Black Shark 3’s cooling should significantly mitigate this issue, allowing for more sustained peak performance compared to devices without such robust cooling solutions.
❓ How does the OnePlus 8 Pro's camera perform in low-light conditions?
While specific details aren't provided, OnePlus has a strong track record of delivering excellent low-light camera performance. The OnePlus 8 Pro likely utilizes advanced image processing algorithms and potentially larger sensor sizes to capture detailed and vibrant photos in challenging lighting conditions. Expect features like Night Mode to significantly improve image quality in darkness.
❓ Is the 3W reverse wireless charging on the Black Shark 3 useful for topping up accessories?
The 3W reverse wireless charging is primarily intended for charging small accessories like wireless earbuds or smartwatches. It's not designed to rapidly charge larger devices like smartphones, but it offers a convenient way to provide a small power boost to compatible accessories when on the go.