vivo X300 Ultra vs iQOO 15R

Comparing the vivo X300 Ultra vs iQOO 15R across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: vivo X300 Ultra scores higher on the Geekbench Multi-Core test with 10,359, while iQOO 15R scores 9,090, making vivo X300 Ultra the better performer.

Display: vivo X300 Ultra offers a screen size of 6.82 inches, while iQOO 15R offers 6.59 inches, making vivo X300 Ultra the larger display of the two. Both vivo X300 Ultra and iQOO 15R feature the same AMOLED display.

Rear Camera: vivo X300 Ultra offers a higher rear camera resolution with 200 MP, while iQOO 15R offers 50 MP, making vivo X300 Ultra better for rear camera photography.

Front Camera: vivo X300 Ultra offers a higher front camera resolution with 50 MP, while iQOO 15R offers 32 MP, making vivo X300 Ultra better for front camera photography.

Battery: iQOO 15R delivers longer battery life with 18h 23m, while vivo X300 Ultra delivers 15h 10m, making iQOO 15R the better pick for all day usage.

Storage: vivo X300 Ultra offers higher internal storage with 512 GB, while iQOO 15R offers 256 GB, making vivo X300 Ultra the better option for storage.

Expert Review: vivo X300 Ultra receives a higher expert rating of 8.7 from the editorial team, while iQOO 15R is rated 8.6.

User Rating: vivo X300 Ultra receives a higher user rating of 4.8, while iQOO 15R has a rating of 4.5.

vivo X300 Ultra

₹159,999

@ Amazon

iQOO 15R

₹49,999

@ Amazon

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Show Only Differences

Summary

Spec Score

97%

92%

Release Date

14 May, 2026

03 Mar, 2026

Performance


Snapdragon 8 Elite Gen 5	Snapdragon 8 Gen 5
Octa Core (upto 4.61 GHz)	Octa Core (upto 3.8 GHz)
16 GB RAM	8 GB RAM

Display


6.82 inches (17.32 cm)	6.59 inches (16.74 cm)
AMOLED	AMOLED
1440x3168 px (QHD+)	1260x2750 px (FHD+)
144 Hz Refresh Rate	144 Hz Refresh Rate

Rear Camera


200 MP Primary Camera (upto 3.7x Optical Zoom)	50 MP Wide Angle Primary Camera
200 MP Telephoto Camera	8 MP Ultra-Wide Angle Camera
50 MP Ultra-Wide Angle Camera	N/A

Front Camera


50 MP	32 MP Wide Angle Lens

Battery


6600 mAh	7600 mAh
100W Flash Charging	100W Super Flash Charging
Wireless Charging	N/A

Storage

512 GB	256 GB
UFS 4.1	UFS 4.1

Expert Review

8.7/10

Read Expert Review

8.6/10

Read Expert Review

Pros

Stellar and versatile three-lens camera system
Excellent performance
Bright and crisp 2K AMOLED display

Ergonomic design
Bright AMOLED display
Fast and furious performance
Exceptional battery life

Cons

Battery life could have been better
Very expensive with camera kit
No shortcut key

Thermal management needs refinement
Limited camera features and modes

User Ratings

4.8/5

(40 ratings)

4.5/5

(1,221 ratings)

Benchmarks (The higher, the better)

3,977,648 AnTuTu Score	3,078,708 AnTuTu Score
15h 10m Battery Life (PC Mark)	18h 23m Battery Life (PC Mark)

Compare Prices

₹159,999

@ Amazon

₹49,999

@ Amazon

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Video

1 Video

There are no videos available for the device.

User Feedback

General

Launch Date

May 06, 2026

(Official)

Feb 24, 2026

(Official)

Operating System

Android v16

OS Updates

5 Years

4 Year

Security Updates

7 Years

6 Year

Custom UI

Origin OS

Performance

Performance Rating

Best In Class

Excellent

Chipset

Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC

Qualcomm Snapdragon 8 Gen 5 SM8845

Processor

Octa core

4.61 GHz, Dual core, Oryon 3.62 GHz, Hexa Core, Oryon

Octa core

3.8 GHz, Dual core, Oryon 3.32 GHz, Hexa Core, Oryon

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

3 nm

Graphics (GPU)

Adreno 840

Adreno 826

RAM

16 GB

8 GB / 12 GB

RAM Type

LPDDR5X Ultra

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

3,977,648

3,078,708

Bootup Time (The lower, the better)

14.0 s

13.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

6,450

5,071

Battery Drain* (The lower, the better)

7.0 %

N/A

Heating* (The lower, the better)

21.7 %

26.1 %

* after 30 mins of gaming

Display

Display Rating

Best In Class

Display Type

AMOLED

Screen Size

6.82 inches (17.32 cm)

6.59 inches (16.74 cm)

Resolution

1440x3168 px (QHD+)

1260x2750 px (FHD+)

Peak Brightness

4500 nits

5000 nits

HBM Brightness

N/A

1800 nits

Refresh Rate

144 Hz

Aspect Ratio

19.8:9

19.5:9

Pixel Density

510 ppi

466 ppi

Screen to Body Ratio (calculated)

89.7 %

90.69 %

Screen Protection

Yes

Bezel-less Display

Yes with punch-hole display

HDR 10 / HDR+ Support

Yes

Screen to Body Ratio (claimed by the brand)

94.49 %

94.57 %

Design

Height

162.98 mm

157.61 mm

Width

76.81 mm

74.42 mm

Thickness

8.19 mm

7.9 mm

Weight

232 grams

202 grams

Build Material

Back: Glass

Water Resistance

N/A	Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

N/A	Dust proof

Rear Camera

Rear Camera Rating

Best In Class

Very Good

Resolution

200 MP
Primary Camera105x Digital Zoom 3.7x Optical Zoomf/1.8535 mm focal length LYT 901 0.7µm pixel size

50 MP
Primary Camera20x Digital Zoomf/1.88 Wide Angle1/1.56" sensor size LYT 700V

200 MP
f/2.67 Telephoto Camera85 mm focal length 1/1.28" sensor size

8 MP
f/2.2 Ultra-Wide Angle Camera1/4.0" sensor size

50 MP
f/2.0 Ultra-Wide Angle Camera14 mm focal length

N/A

Autofocus

Yes	Yes Phase Detection Autofocus

OIS

Yes

Flash

Yes Dual LED Flash

Yes LED Flash

Shooting Modes

N/A	High Dynamic Range mode (HDR) SuperMoon

Camera Features

105 x Digital Zoom
3.7 x Optical Zoom

20 x Digital Zoom
Optical Zoom

Video Recording

8k @30 fps
4k @30/60/120 fps
Full HD @30/60/120 fps

4k @30/60 fps
Full HD @60 fps

Video Recording Features

N/A	Optical Image stabilization

Front Camera

Front Camera Rating

Best In Class

Excellent

Resolution

50 MP
f/2.45 Primary Camera

32 MP
f/2.45 Wide Angle Primary Camera1/3.1" sensor size

Flash

Yes Screen flash

Video Recording

N/A	4k @30/60 fps Full HD @30/60 fps

Compare Camera Samples

Battery

Battery Rating

Excellent

Capacity

6600 mAh

7600 mAh

Battery Type

Li-ion

Si/C Li-Ion

Quick Charging

Yes 100W Flash Charging

Yes 100W Super Flash Charging

Wireless Charging

Yes 40W Wireless Charging

N/A

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

15h 10m

18h 23m

Charging Time (20% to 100%) (The lower, the better)

0h 36m 0s

0h 45m 0s

Storage

Internal Storage

512 GB

256 GB / 512 GB

Storage Type

UFS 4.1

Expandable Storage

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N18 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78 / N79 / N80 / N81 / N83 / N84 / N89

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N18 / N20 / N26 / N28 / N71 / N75
TDD N38 / N40 / N41 / N48 / N77 / N78

4G Bands:

TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)

4G Bands:

TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3700(band 43)
FD-LTE 2100(band 1) / 1500(band 32) / 600(band 71) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)

SIM 2

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N18 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78 / N79 / N80 / N81 / N83 / N84 / N89

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N18 / N20 / N26 / N28 / N71 / N75
TDD N38 / N40 / N41 / N48 / N77 / N78

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 12) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 1500(band 32) / 850(band 18) / 850(band 19) / 800(band 20) / 600(Band 71) / 850(band 26)