Xiaomi 17T vs Vivo iQOO 15

82 out of 100
Xiaomi 17T
VS
93 out of 100
Vivo iQOO 15

Here we compared two flagship smartphones: the 6.59-inch Xiaomi 17T (with MediaTek Dimensity 8500 Ultra) that was released on May 28, 2026, against the Vivo iQOO 15, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 7 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

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Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 17T
  • The rear camera has a 5x optical zoom
  • Slow-motion recording at 960FPS
  • Delivers 15% higher peak brightness (3372 against 2942 nits)
  • The phone is 7 months newer
  • Supports Dolby Atmos sound technology
  • Weighs 20 grams less
Reasons to consider the Vivo iQOO 15
  • 82% better performance in AnTuTu Benchmark (3950K versus 2173K)
  • Shows 37% longer battery life (39:26 vs 28:50 hours)
  • Higher display refresh rate – 144 Hz
  • Handles wireless charging up to 40W
  • Waterproof body (IP69 classification)
  • Supports higher wattage charging (100W versus 67W)
  • Compatible with Wi-Fi 7 wireless networks
  • 10% higher pixel density (508 vs 460 PPI)
  • 2.1x faster in single-core GeekBench 6 test: 3584 and 1704 points

Review

Evaluation of Xiaomi 17T and Vivo iQOO 15 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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πŸ“± Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
56.1
(Average)
Value Index
63.4
(Average)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.59 inches 6.85 inches
Resolution 1268 x 2756 pixels 1440 x 3168 pixels
Aspect ratio 19.5:9 20:9
PPI 460 ppi 508 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max rated brightness 1100 nits 2600 nits
Max rated brightness in HDR 3500 nits 6000 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 480 Hz -
Screen protection Corning Gorilla Glass 7i Tempered glass
Screen-to-body ratio 89.9% 90.2%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space - 100%
PWM - 561 Hz
Response time - 1 ms
Contrast - ∞ Infinity
Peak brightness test (auto)
Xiaomi 17T +15%
3372 nits
2942 nits
Sources: NotebookCheck [3]

Design and build

Height 157.6 mm (6.2 inches) 163.65 mm (6.44 inches)
Width 75.2 mm (2.96 inches) 76.8 mm (3.02 inches)
Thickness 8.17 mm (0.32 inches) 8.1 mm (0.32 inches)
Weight 200 g (7.05 oz) 220 g (7.76 oz)
Waterproof IP68 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Plastic Glass
Frame material Plastic Metal
Colors White, Black, Blue, Purple White, Black, Blue
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
89.9%
90.2%

Performance

Chipset specifications of Xiaomi 17T and Vivo iQOO 15
SoC
Chipset MediaTek Dimensity 8500 Ultra Qualcomm Snapdragon 8 Elite Gen 5
Max clock 3400 MHz 4610 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4 cores at 2.2 GHz: Cortex-A725
- 3 cores at 3.2 GHz: Cortex-A725
- 1 core at 3.4 GHz: Cortex-A725
- 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.74 GHz: Oryon Gen 3 Prime
L3 cache 6 MB 12 MB
Manufacturing TSMC TSMC
Lithography process 4 nanometers 3 nanometers
Neural processor (NPU) MediaTek NPU 880 Hexagon
GPU
Graphics Mali-G720 MP8 Adreno 840
GPU shading units 1024 1536
GPU clock 1508 MHz 1300 MHz
FLOPS ~3088.4 GFLOPS ~3993.6 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 17T and Vivo iQOO 15
Geekbench 6 (Single-Core)
1704
iQOO 15 +110%
3584
Geekbench 6 (Multi-Core)
6686
iQOO 15 +67%
11143
Compute Score (GPU)
12671
iQOO 15 +115%
27247
Compute Score (GPU) 12671 27247
Single-core score 1704 3584
Multi-core score 6686 11143
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
2173332
iQOO 15 +82%
3950082
CPU 649639 1112833
GPU 699299 1494722
Memory 361711 442350
UX 462683 900177
Total score 2173332 3950082
Samples [13 tests] [24 tests]
3DMark Steel Nomad Light
2806
Stability - 54%
Graphics test - 21 FPS
Graphics score - 2806
3DMark Solar Bay
12156
Graphics test - 46 FPS
Section 1 - 52 FPS
Section 2 - 46 FPS
Section 3 - 40 FPS
Graphics score - 12156
3DMark Wild Life Extreme
6752
Graphics test - 40 FPS
Graphics score - 6752
Sources: 3DMark [5]
PCMark 3.0
16959
Web score - 14169
Video editing - 6652
Photo editing - 35337
Data manipulation - 14682
Writing score - 29367

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 17T
DateBenchmarkResult
πŸ“˜ 2026-09-27 (Litegrey)AnTuTu 122216950
πŸ“˜ 2026-09-27 (Bipper)AnTuTu 122325053
πŸ“˜ 2026-09-12 (Sakolin)AnTuTu 112117709
πŸ“˜ 2026-09-09 (Τ±Υ’Φ…-techπŸ‡¦πŸ‡²)AnTuTu 122261643
πŸ“˜ 2026-09-09 (punyaphat dumnu)Geekbench 6 GPU12528
Vivo iQOO 15
DateBenchmarkResult
πŸ“˜ 2026-09-11 (Rtesh)AnTuTu 113886893
πŸ“˜ 2026-09-10 (Ranit)AnTuTu 113974227
πŸ“˜ 2026-08-07 (tt:shikazik)AnTuTu 114017492
πŸ“˜ 2026-07-17 (Skarvinarn)AnTuTu 113902163
πŸ“˜ 2026-07-03 (cA27)AnTuTu 114140036

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5333 MHz 5300 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.1
Memory card No No

Software

Operating system Android 16 Android 16
ROM HyperOS 3 OriginOS 6
OS size - 57 GB
OS updates 5 years 5 years
Security updates 6 years 7 years

Battery

Capacity 6500 mAh 7000 mAh
Max charge power 67 W 100 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging No Yes (40 W)
Reverse charging Yes Yes, (wireless)
Bypass charging No Yes
Fast charging Yes (55% in 30 min) Yes (60% in 30 min)
Full charging time 1:00 hr 0:52 hr
Battery life tests
Web browsing 13:50 hr 18:52 hr
Watching video 18:40 hr 27:27 hr
Gaming 07:52 hr 09:04 hr
Standby 112 hr 147 hr
General battery life
28:50 hr
iQOO 15 +37%
39:26 hr

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8192 x 6144
Zoom Optical, 5x Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording No Up to 30FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120Β° 107Β°
Lenses 1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 12 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.7 f/1.9
Focal length 23 mm 23 mm
Sensor Omnivision OV50 Sony IMX921
Sensor size 1/1.55" (β‰ˆ 0.65 inch) 1/1.56" (β‰ˆ 0.64 inch)
Pixel size 1 micron 1 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 50 MP
Aperture f/3.0 f/2.7
Focal length 115 mm 85 mm
Sensor Samsung S5KJN5 Sony IMX882
Sensor size 1/2.76" (β‰ˆ 0.36 inch) 1/1.95" (β‰ˆ 0.51 inch)
Pixel size 0.64 micron 0.8 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 12 MP 50 MP
Aperture f/2.2 f/2.1
Focal length 15 mm 15 mm
Sensor OmniVision OV13B Samsung S5KJN1
Sensor size 1/3.0" (β‰ˆ 0.33 inch) 1/2.76" (β‰ˆ 0.36 inch)
Pixel size 1.12 micron 0.64 micron
Stabilization Digital Digital

Selfie camera

Megapixels 32 megapixels 32 megapixels
Image resolution 6560 x 4928 6528 x 4896
Aperture f/2.2 f/2.2
Focal length 21 mm 21 mm
Sensor Samsung S5KKD1 GalaxyCore GC32E1
Sensor size 1/3.42" (β‰ˆ 0.29 inch) 1/3.1" (β‰ˆ 0.32 inch)
Pixel size 0.64 micron 0.7 micron
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort No Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max loudness
84.1 dB

Other

Category Flagship Flagship
Announced May 2026 October 2025
Release date May 2026 October 2025
Launch price (MSRP) $749 $699
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Yes, 100 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Vivo iQOO 15 is definitely a better buy.

Cast your vote

So, which phone would you choose?
6 (50%)
6 (50%)
Total votes: 12

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