vivo iQOO Z7i vs Oppo K11x: A Deep Dive into Budget 5G Performance

The sub-$200 5G smartphone market is fiercely competitive. The vivo iQOO Z7i and Oppo K11x represent compelling options, but cater to slightly different priorities. The Z7i focuses on a more efficient chipset, while the K11x prioritizes rapid charging speeds. This comparison dissects their key differences to determine which device delivers the best overall experience.
Phones Images

🏆 Quick Verdict

For the average user prioritizing convenience, the Oppo K11x is the better choice. Its 67W charging significantly reduces downtime, a crucial advantage. However, the iQOO Z7i’s Dimensity 6020 offers potentially better sustained performance and efficiency for those who value longer gaming sessions or all-day battery life.

PHONES
Phone Names vivo iQOO Z7i Oppo K11x
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands1, 3, 5, 8, 28, 34, 38, 39, 40, 411, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G bands1, 5, 8, 28, 41, 77, 78 SA/NSA1, 5, 8, 28, 41, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE / 5G
 CDMA2000 1x -
Launch
Announced2023, March 132023, May 25
StatusAvailable. Released 2023, March 20Available. Released 2023, May 25
Body
BuildGlass front, plastic frame, plastic backGlass front, plastic frame, plastic back
Dimensions164.1 x 75.6 x 8.2 mm (6.46 x 2.98 x 0.32 in)165.5 x 76 x 8.3 mm (6.52 x 2.99 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight186 (6.56 oz)195 g (6.88 oz)
Display
Protection-Corning Gorilla Glass
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
Size6.51 inches, 102.3 cm2 (~82.5% screen-to-body ratio)6.72 inches, 109.0 cm2 (~86.7% screen-to-body ratio)
TypeIPS LCDIPS LCD, 120Hz, 550 nits (typ), 680 nits (peak)
Platform
CPUOcta-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
ChipsetMediatek Dimensity 6020 (7 nm)Qualcomm SM6375 Snapdragon 695 5G (6 nm)
GPUMali-G57 MC2Adreno 619
OSAndroid 13, OriginOS OceanAndroid 13, ColorOS 13.1
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 2.2-
Main Camera
Dual13 MP, f/2.2, (wide), PDAF 2 MP (macro)108 MP, f/1.8, 24mm (wide), 1/1.67", 0.64µm, PDAF Auxiliary lens
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single5 MP, f/1.8, (wide)-
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR, panorama
Single5 MP, f/1.8, (wide)16 MP, f/2.4, (wide), 1.0µm
VideoYes1080p@30fps
Sound
3.5mm jack Yes-
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.1, A2DP, LE, aptX HD
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging15W wired67W wired, 80% in 33 min
Type5000 mAhLi-Po 5000 mAh
Misc
ColorsBlack, BlueJade Black, Pearl Blue
ModelsV2230EA-
PriceAbout 130 EURAbout 250 EUR

vivo iQOO Z7i

  • Potentially better CPU performance with Cortex-A76 cores
  • More efficient chipset (Dimensity 6020, 7nm)
  • May offer longer battery life between charges

  • Significantly slower 15W charging
  • Limited information on display quality
  • Camera performance is unknown

Oppo K11x

  • Ultra-fast 67W charging (80% in 33 minutes)
  • Modern 6nm Snapdragon 695 chipset
  • Potentially better thermal management

  • Kryo 660 cores may be slightly less powerful than Cortex-A76
  • Limited information on display quality
  • Camera performance is unknown

Display Comparison

Neither device boasts a standout display. Given the provided data, a detailed display comparison is limited. Both likely utilize LCD panels common in this price bracket. The absence of refresh rate or resolution data suggests both target the baseline for acceptable viewing experiences. Bezels are likely comparable, and color accuracy will be standard for the segment.

Camera Comparison

Without detailed camera specs, a comprehensive comparison is difficult. Both phones likely feature a primary camera paired with depth or macro sensors. The absence of OIS on either device suggests reliance on software stabilization. Image processing will likely differ, with Oppo traditionally favoring vibrant, saturated colors, while vivo often aims for a more natural look. The quality of the main sensor will be the determining factor, but that information is unavailable.

Performance

The core difference lies in the chipsets. The Oppo K11x’s Qualcomm Snapdragon 695 (6nm) utilizes Kryo 660 cores, offering a slightly different architecture than the iQOO Z7i’s MediaTek Dimensity 6020 (7nm). While both CPUs peak at 2.2 GHz, the Snapdragon 695 benefits from a more modern 6nm process, potentially leading to better power efficiency at similar performance levels. However, the Dimensity 6020’s Cortex-A76 cores are generally more powerful than the Kryo 660 Gold cores, suggesting a slight edge in CPU-intensive tasks. The 6nm process of the Snapdragon 695 may offer better thermal headroom during sustained loads, but the Z7i's architecture could compensate. RAM speed is not specified, but both likely use LPDDR4X to keep costs down.

Battery Life

The Oppo K11x’s 67W charging is a game-changer. Achieving 80% charge in just 33 minutes is a significant advantage over the iQOO Z7i’s slow 15W charging. While battery capacity isn’t specified, the faster charging speed effectively mitigates any potential capacity difference. The iQOO Z7i will require considerably longer to fully charge, impacting usability for power users. The Dimensity 6020’s efficiency could translate to longer battery life *between* charges, but the K11x’s quick top-ups offer a different kind of convenience.

Buying Guide

Buy the vivo iQOO Z7i if you need a phone that balances performance and battery life, and aren't overly concerned with extremely fast charging. It's ideal for users who stream videos, browse the web, and play casual games. Buy the Oppo K11x if you prioritize minimizing charging time above all else. This phone is perfect for users who are constantly on the go and need to quickly top up their battery throughout the day.

Frequently Asked Questions

❓ Will the Snapdragon 695 in the Oppo K11x struggle with demanding games like PUBG or Call of Duty?
The Snapdragon 695 is capable of running PUBG and Call of Duty, but you'll likely need to lower graphics settings to achieve a smooth frame rate. It's not a gaming powerhouse, but it's sufficient for casual gaming. The Dimensity 6020 in the iQOO Z7i might offer slightly better sustained performance due to its core architecture, but both will require compromises.
❓ How much of a difference will the charging speed actually make in daily use with the Oppo K11x?
The 67W charging on the K11x is a significant time saver. Being able to go from near-empty to 80% in just over 30 minutes is incredibly convenient, especially if you often forget to charge overnight or have a busy day. It eliminates 'range anxiety' and allows for quick top-ups whenever you have a spare moment.
❓ Is the lack of information about the cameras a major concern?
Yes, it is. Without knowing the sensor size, aperture, or image processing capabilities, it's impossible to accurately assess the camera performance of either phone. In this price segment, camera quality can vary significantly, so this is a key area where further research is needed before making a decision.