iQOO Z1 vs OnePlus 8T+ 5G: A Deep Dive into Mid-Range Power

The iQOO Z1 and OnePlus 8T+ 5G represent distinct approaches to the mid-range 5G market. The iQOO Z1, leveraging Mediatek’s Dimensity 1000+ chipset, aims for aggressive value. The OnePlus 8T+ 5G, built around the Snapdragon 865, prioritizes a refined experience and faster charging, though at a potentially higher price point. This comparison dissects their key differences to determine which phone best suits your needs.
Phones Images

🏆 Quick Verdict

For the average user prioritizing rapid charging and a slightly more polished software experience, the OnePlus 8T+ 5G is the better choice. However, the iQOO Z1 delivers comparable performance at a significantly lower cost, making it ideal for budget-conscious gamers and power users.

PHONES
Phone Names vivo iQOO Z1 OnePlus 8T+ 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 8, 18, 19, 25, 26, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71
5G bands1, 3, 41, 77, 78, 79 SA/NSA2, 25, 41, 66, 71 Sub6/mmWave
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/200 Mbps, 5G 7.5 Gbps DL
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 CDMA 800 / 1900 & TD-SCDMA-
Launch
Announced2020, May 19. Released 2020, June 012020, October 14
StatusDiscontinuedAvailable. Released 2020, October 16
Body
Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions164 x 75.6 x 8.9 mm (6.46 x 2.98 x 0.35 in)160.7 x 74.1 x 8.4 mm (6.33 x 2.92 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM
Weight195 g (6.88 oz)-
Display
Protection-Corning Gorilla Glass 5
Resolution1080 x 2408 pixels, 20:9 ratio (~402 ppi density)1080 x 2400 pixels, 20:9 ratio (~402 ppi density)
Size6.57 inches, 104.0 cm2 (~83.9% screen-to-body ratio)6.55 inches, 103.6 cm2 (~87.0% screen-to-body ratio)
TypeIPS LCD, 144Hz, HDR10Fluid AMOLED, 120Hz, HDR10+
Platform
CPUOcta-core (4x2.6 GHz Cortex-A77 & 4x2.0 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
ChipsetMediatek Dimensity 1000+ (7 nm)Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
GPUMali-G77 MC9Adreno 650
OSAndroid 10, iQOO UI 1.0Android 11, OxygenOS 11
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM256GB 12GB RAM
 UFS 2.1-
Main Camera
FeaturesLED flash, HDR, panoramaDual-LED flash, HDR, panorama
Quad-48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 5 MP (macro) Auxiliary lens
Single8 MP, AF-
Triple48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)-
Video4K@30fps, 1080p@30fps; gyro-EIS4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.0, (wide)16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
3.5mm jack Yes-
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
 24-bit/192kHz audio-
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.1, A2DP, LE, aptX HD
NFCYesYes
PositioningGPS, GLONASS, BDS, GALILEOGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB 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
BrowserHTML, Adobe Flash-
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependant)
Battery
Charging44W wired, 50% in 23 min, 100% in 59 min65W wired, 100% in 39 min
Type4500 mAhLi-Po 4500 mAh
Misc
ColorsGalaxy Silver, Space blueAquamarine Green, Lunar Silver
ModelsV1986AKB2007
PriceAbout 280 EURAbout 640 EUR

vivo iQOO Z1

  • Excellent price-to-performance ratio
  • Powerful Dimensity 1000+ chipset
  • Respectable 44W fast charging

  • Potentially less refined software experience
  • May exhibit more thermal throttling under heavy load

OnePlus 8T+ 5G

  • Blazing-fast 65W charging
  • Snapdragon 865 offers strong performance and efficiency
  • Polished software experience

  • Higher price point
  • May not offer a significant performance leap over the iQOO Z1 for everyday tasks

Display Comparison

While display specifications aren't provided, both phones likely feature high refresh rate panels common in this price bracket. However, the core difference lies in the chipsets powering them. The Snapdragon 865’s image signal processor (ISP) will likely offer slightly better image processing capabilities, even if the panels themselves are similar. The iQOO Z1’s display performance will be heavily reliant on Mediatek’s image processing algorithms.

Camera Comparison

Without detailed camera specs, it’s difficult to make definitive claims. However, the Snapdragon 865’s ISP provides a processing advantage. The OnePlus 8T+ 5G likely benefits from more sophisticated image processing algorithms and potentially better low-light performance. Both phones likely feature multi-camera setups, but the quality will hinge on sensor size and lens apertures – data not provided. The iQOO Z1 will rely on Mediatek’s ISP capabilities, which have improved but generally lag behind Qualcomm’s.

Performance

The core battleground is the chipset. The Qualcomm Snapdragon 865 in the OnePlus 8T+ 5G, fabricated on a 7nm+ process, boasts a prime Cortex-A77 core clocked at 2.84 GHz, alongside three additional A77 cores at 2.42 GHz. This contrasts with the iQOO Z1’s Dimensity 1000+ which features four Cortex-A77 cores at 2.6 GHz and four A55 cores at 2.0 GHz. While the iQOO Z1 has more high-performance cores, the Snapdragon 865’s architecture and process node give it an edge in sustained performance and thermal management. The Snapdragon’s Adreno 650 GPU also surpasses the Dimensity 1000+'s Mali-G57 MC4 in graphical prowess, benefiting demanding games. The OnePlus 8T+ 5G will likely exhibit less throttling under prolonged load.

Battery Life

The iQOO Z1’s 44W charging, reaching 100% in 59 minutes, is respectable. However, the OnePlus 8T+ 5G’s 65W charging, achieving a full charge in just 39 minutes, is significantly faster. This difference is substantial for users who prioritize minimizing downtime. While battery capacity isn’t specified, the faster charging of the OnePlus 8T+ 5G effectively mitigates any potential disadvantage from a slightly smaller battery, offering more usable uptime throughout the day.

Buying Guide

Buy the vivo iQOO Z1 if you need maximum performance for your dollar, frequently engage in extended gaming sessions, and are comfortable with a potentially less refined software experience. Buy the OnePlus 8T+ 5G if you prefer incredibly fast 65W charging, a smoother, more established software ecosystem, and are willing to pay a premium for those benefits.

Frequently Asked Questions

❓ Will the Dimensity 1000+ in the iQOO Z1 struggle with graphically demanding games like Genshin Impact?
While the Dimensity 1000+ is a capable chipset, the Snapdragon 865 in the OnePlus 8T+ 5G has a more powerful GPU (Adreno 650). The iQOO Z1 will likely run Genshin Impact, but you may need to lower graphics settings to maintain a stable frame rate and avoid excessive heat buildup. The OnePlus 8T+ 5G will offer a smoother experience at higher settings.
❓ How much faster is the 65W charging on the OnePlus 8T+ 5G compared to the 44W charging on the iQOO Z1 in real-world use?
The difference is substantial. The OnePlus 8T+ 5G can go from 0-100% in 39 minutes, while the iQOO Z1 takes 59 minutes. This translates to roughly 20 minutes saved per full charge, which is significant for users who frequently need to top up their battery throughout the day. The OnePlus 8T+ 5G also delivers a faster charge rate in shorter bursts – a 5-minute charge can provide a noticeable amount of usage time.
❓ Does the Snapdragon 865 in the OnePlus 8T+ 5G overheat during prolonged gaming sessions?
The Snapdragon 865 is known to generate heat under sustained load. However, OnePlus typically implements effective thermal management solutions. While some throttling is possible during extended gaming, the 8T+ 5G is generally well-equipped to handle demanding games without significant performance degradation, especially compared to the iQOO Z1 which may throttle more aggressively.