ZTE Nubia Z70S Ultra vs Xiaomi 15 Ultra

81 out of 100

VS

90 out of 100

Here we compared two flagship smartphones: the 6.85-inch ZTE Nubia Z70S Ultra (with Qualcomm Snapdragon 8 Elite) that was released on April 28, 2025, against the Xiaomi 15 Ultra, which is powered by the same chip and came out 2 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the ZTE Nubia Z70S Ultra

Comes with 1190 mAh larger battery capacity: 6600 vs 5410 mAh
Higher display refresh rate – 144 Hz
Waterproof body (IP69 classification)

Reasons to consider the Xiaomi 15 Ultra

Shows 31% longer battery life (30:03 vs 22:56 hours)
The rear camera has a 4.3x optical zoom
Handles wireless charging up to 80W
Newer Bluetooth version (v6.0)
Slow-motion recording at 1920FPS
Delivers 15% higher peak brightness (1594 against 1389 nits)
More recent OS version: Android 16 versus 15
21% higher pixel density (522 vs 431 PPI)
Supports higher wattage charging (90W versus 80W)
The front-facing camera can record video at 4K
Ready for eSIM technology

Review

Evaluation of ZTE Nubia Z70S Ultra and Xiaomi 15 Ultra crucial features

Display

Screen quality, color accuracy, brightness

Type	AMOLED	AMOLED
Size	6.85 inches	6.73 inches
Resolution	1216 x 2688 pixels	1440 x 3200 pixels
Aspect ratio	20:9	20:9
PPI	431 ppi	522 ppi
Refresh rate	144 Hz	120 Hz
Adaptive refresh rate	Yes (60-120 Hz)	Yes (1-120 Hz)
Max rated brightness	2000 nits	1600 nits
Max rated brightness in HDR	-	3200 nits
HDR support	Yes, HDR10	Yes, Dolby Vision
Touch sampling rate	960 Hz	300 Hz
Screen protection	Gorilla Glass 7i	Xiaomi Shield Glass 2.0
Screen-to-body ratio	89.5%	90%
Display features	- DCI-P3 - Always-On Display - DC Dimming	- DCI-P3 - Always-On Display - DC Dimming

RGB color space	-	99.7%
PWM	-	120 Hz
Response time	-	1 ms
Contrast	-	∞ Infinity

Height	164.3 mm (6.47 inches)	161.3 mm (6.35 inches)
Width	77.1 mm (3.04 inches)	75.3 mm (2.96 inches)
Thickness	8.6 mm (0.34 inches)	9.35 mm (0.37 inches)
Weight	228 g (8.04 oz)	226 g (7.97 oz)
Waterproof	IP69	IP68
Advanced cooling	Vapor chamber	Vapor chamber
Rear material	Eco-leather	Glass
Frame material	Metal	Metal
Colors	Black, Brown	White, Black, Silver, Green
Fingerprint scanner	Yes, in-display	Yes, in-display
Repairability	-	Average (2.61/5)
Drop resistance	-	Good (C) · 90 drops

Chipset	Qualcomm Snapdragon 8 Elite	Qualcomm Snapdragon 8 Elite
Max clock	4320 MHz	4320 MHz
CPU cores	8 (2 + 6)	8 (2 + 6)
Architecture	- 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L)	- 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L)
L3 cache	8 MB	8 MB
Manufacturing	TSMC	TSMC
Lithography process	3 nanometers	3 nanometers
Neural processor (NPU)	Hexagon	Hexagon

Graphics	Adreno 830	Adreno 830
GPU shading units	1536	1536
GPU clock	1100 MHz	1100 MHz
FLOPS	~3379.2 GFLOPS	~3379.2 GFLOPS

Compute Score (GPU)	-	24339
Single-core score	2903	3106
Multi-core score	8952	9710

CPU	938858	912791
GPU	1144722	1097348
Memory	436575	440343
UX	708782	579894
Total score	3228937	3030376
Samples	Less than 3	[12 tests]

Stability	82%	76%
Graphics test	18 FPS	16 FPS
Graphics score	2468	2151

Graphics test	44 FPS	37 FPS
Section 1	50 FPS	42 FPS
Section 2	45 FPS	38 FPS
Section 3	39 FPS	32 FPS
Graphics score	11679	9815

Web score	33984	19993
Video editing	9086	8213
Photo editing	61062	36597
Data manipulation	17853	17882
Writing score	37177	22481

Date	Benchmark	Result
📘 2026-09-27 (dmxsan)	AnTuTu 12	3059557
📘 2026-07-07 (average f-4 enjoyer)	AnTuTu 11	2993761
📘 2026-06-28 (Mansur)	Battery life	SOT 12:59 / 16:48
📘 2026-02-22 (XX5mipiXX)	AnTuTu 11	3108699
📘 2026-01-27 -> MiEmirr	Geekbench 6 CPU	3127 / 9465

RAM
RAM size	12 GB	12 GB
Memory type	LPDDR5X	LPDDR5X
Memory clock	5333 MHz	5300 MHz
Channels	2	4

Storage
Storage size	256 GB	256 GB
Storage type	UFS 4.0	UFS 4.1
Memory card	No	No

Operating system	Android 15	Android 15 (Can be upgraded to Android 16)
ROM	NebulaAI OS	HyperOS 3.0
OS size	-	23.9 GB
OS updates	-	4 years
Security updates	-	7 years

Capacity	6600 mAh	5410 mAh
Max charge power	80 W	90 W
Battery type	Silicon-Carbon (Si/C)	Silicon-Carbon (Si/C)
Replaceable	No	No
Wireless charging	No	Yes (80 W)
Reverse charging	No	Yes, (wireless)
Bypass charging	-	No
Fast charging	Yes (79% in 30 min)	Yes (72% in 30 min)
Full charging time	0:49 hr	0:51 hr
Battery cycles	-	1000 cycles

Web browsing	07:53 hr	12:19 hr
Watching video	16:07 hr	18:43 hr
Gaming	05:52 hr	06:45 hr
Standby	109 hr	141 hr

Matrix	50 megapixels	50 megapixels
Image resolution	8192 x 6144	8192 x 6144
Zoom	Optical, 2.7x	Optical, 4.3x
Flash	LED	Dual LED
Stabilization	Optical	Optical
8K video recording	Up to 30FPS	Up to 30FPS
4K video recording	Up to 120FPS	Up to 120FPS
1080p video recording	Up to 60FPS	Up to 60FPS
Slow motion	240 FPS (1080p)	1920 FPS (1080p)
Angle of widest lens	122°	115°
Lenses	1) Standard: 50 MP 2) Telephoto: 64 MP 3) Ultrawide: 50 MP	1) Standard: 50 MP 2) Telephoto: 200 MP 3) Telephoto: 50 MP 4) Ultrawide: 50 MP 5) Depth
Camera features	- Bokeh mode - Pro mode	- Bokeh mode - Pro mode - RAW support

Image resolution	50 MP	50 MP
Aperture	f/1.7	f/1.63
Focal length	35 mm	23 mm
Sensor	Omnivision OV990 Light and Shadow Master	Sony LYT-900
Sensor size	1/1.3" (≈ 0.77 inch)	1/1.0" (≈ 1 inch)
Pixel size	1.2 micron	1.6 micron
Autofocus	Laser autofocus	Laser autofocus
Stabilization	Optical	Optical

Image resolution	64 MP	200 MP
Aperture	f/2.5	f/2.6
Focal length	70 mm	100 mm
Sensor	Omnivision OV64B	Samsung ISOCELL S5KHP9
Sensor size	1/2.0" (≈ 0.5 inch)	1/1.4" (≈ 0.71 inch)
Pixel size	0.7 micron	0.56 micron
Stabilization	Optical	Optical

Bokeh	-	170
Preview	-	89
Zoom	-	166
Samples	-	Photo samples of Xiaomi 15 Ultra from DxOMark

Megapixels	16 megapixels	32 megapixels
Image resolution	-	6528 x 4896
Aperture	f/2.0	f/2.0
Focal length	24 mm	22 mm
Sensor	Omnivision OV16E1Q	Omnivision OV32B
Sensor size	1/2.8" (≈ 0.36 inch)	1/3.14" (≈ 0.32 inch)
Pixel size	1.12 micron	0.7 micron
Autofocus	No	No
Stabilization	Digital	Digital
Video resolution	1080p (Full HD) at 30 FPS	2160p (4K) at 60 FPS
Depth sensor (TOF 3D)	No	No

Wi-Fi standard	Wi-Fi 7 (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	5.4	6.0
Bluetooth features	LE	LE
USB type	USB Type-C	USB Type-C
USB version	3.2	3.2
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode - OTG
DisplayPort	Yes	Yes
GPS	GPS, GLONASS, Beidou, Galileo, QZSS	GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC*	Yes	Yes
Infrared port	Yes	Yes

Number of SIM*	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support*	No	Yes
Hybrid slot	No	No
5G support	Yes	Yes

Speakers	Stereo	Stereo
Headphone audio jack	No	No
FM radio	No	No
Dolby Atmos	No	Yes

ZTE Nubia Z70S Ultra vs Xiaomi 15 Ultra

Key differences

Review

Value for money (Beta)

Tests and specifications

Display

Design and build

Performance

Benchmarks

Recent User Tests

Memory

Software

Battery

Main camera

DxOMark main camera tests

Selfie camera

Connectivity

Sound

Other

Conclusion

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User opinions

Category	Flagship	Flagship
Announced	April 2025	February 2025
Release date	April 2025	February 2025
Launch price (MSRP)	$799	$1099
Successor	-	- Xiaomi 17 Ultra
Sensors	- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint
Bundled charger	Yes, 80 W	Yes, 90 W