Vivo Y39 vs Xiaomi 15 Ultra – Price, Specs & Features

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Vivo Y39

Snapdragon 4 Gen 2
4 nm
6500 mAh
44W
6.68"
720 x 1608 pixels
50 MP
1080p@30fps
Specs

Xiaomi 15 Ultra

Snapdragon 8 Elite
3 nm
5410 mAh
90W
6.73"
1440 x 3200 pixels
50 MP
8K@30fps
Specs

Xiaomi 15 Ultra

General

Launch Date

March 27, 2025

March 11, 2025

Availability

Available Now

Android 15

Custom UI

Funtouch 15

HyperOS 2

OS Updates

2 Years

4 Years

Security Updates

3 Years

6 Years

AI Features

Circle to Search (For 8GB RAM only)

HyperAI, AI Write, AI Summary and more

Body

Dimensions

165.7 x 76.3 x 8.3 mm

161.3 x 75.3 x 9.4 mm

Thickness

8.3 mm

9.4 mm

Weight

205 g

226 g

Build Details

Plastic Frame, Plastic Back

Glass-fiber Back Or Vegan Leather, Aluminum Frame

IP Rating

IP64 (dust tight and water resistant (water splashes), MIL-STD-810H compliant*)

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))

Display

Size

6.68 inches

6.73 inches

Type

IPS LCD

LTPO AMOLED, 68B colors, Dolby Vision, HDR10+, HDR Vivid

Refresh Rate

120 Hz

Peak Brightness

1000 nits

3200 nits

Resolution

720 x 1608 pixels

1440 x 3200 pixels

Pixel Density

264 ppi

522 ppi

Aspect Ratio

20:9

Screen to Body Ratio

84.9 %

89.7 %

Performance

Chipset¹

Qualcomm Snapdragon 4 Gen 2

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

Octa-core
2x2.2 GHz Cortex-A78
6x1.95 GHz Cortex-A55

Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Adreno 613

Adreno 830

RAM & Storage

8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)

12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Camera

Main Camera

50 MP
f/1.8, (wide), PDAF

2 MP
f/2.4, (depth)

50 MP
f/1.6, 23mm (wide), 1.0"-type, 1.6µm, Sony LYT-900, dual pixel PDAF, OIS

50 MP
f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, Sony IMX858, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom

200 MP
f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, Samsung S5KHP9, multi-directional PDAF, OIS, 4.3x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN5, dual pixel PDAF
TOF 3D, (depth)

OIS

Yes

Features

LED flash, HDR, panorama

Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)

Video Recording

1080p@30fps

8K@30fps
4K@30/60/120fps
1080p@30/60/120/240/480/960/1920fps

Video Recording Features

gyro-EIS, Dolby Vision HDR 10-bit recording (4K@60fps, 1080p)

Selfie Camera

8 MP
f/2.0, (wide)

32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40

Selfie Features

HDR, panorama

Selfie Video Recording

1080p@30fps

4K@30/60fps
1080p@30/60fps

Connectivity

SIM

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

Dual SIM
SIM1: Nano, SIM2: Nano

5G Support

Yes

8 5G bands
n1, n3, n5, n8, n28, n40, n77, n78

Yes

21 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n71, n75, n77, n78, n79

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 7

Wi-Fi Details

802.11 a/b/g/n/ac 5GHz

802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.2 Gen 2, DisplayPort, OTG

Bluetooth

5.0

6.0

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

6500 mAh

5410 mAh

Type

Si/C Li-Ion

Removable

Wired charging

44W

90W

Charging Speed

74% in 60 min

Reverse Wired Charging

Wireless Charging

80W

Reverse Wireless Charging

10W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

Side-mounted fingerprint sensor; accelerometer, gyroscope, proximity sensor, compass

Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer

Others

Two-way satellite communication

Colors and Pricing

Colors

Lotus Purple, Ocean Blue

Chrome Silver

Price in India

₹16999

₹109999

FAQs

Which phone has better performance?

In this performance comparison, the Xiaomi 15 Ultra with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the Vivo Y39 with the Qualcomm Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Xiaomi 15 Ultra offers 4 years of OS updates, whereas Vivo Y39 provides 2 years. For security updates, Xiaomi 15 Ultra offers 6 years of support compared to Vivo Y39's 3 years.

Which phone has a better display?

Xiaomi 15 Ultra features a superior AMOLED display, while Vivo Y39 comes with an LCD panel. Both smartphones offer the same 120 Hz refresh rate. Xiaomi 15 Ultra also boasts a brighter screen with 3200 nits of peak brightness, enhancing outdoor visibility. Notably, Xiaomi 15 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Vivo Y39 comes with a larger 6500 mAh battery, which may offer longer usage on a single charge. Xiaomi 15 Ultra also supports faster wired charging at 90W, compared to 44W on Vivo Y39. Xiaomi 15 Ultra supports wireless charging at 80W, while Vivo Y39 lacks this feature.

Which phone has better water and dust resistance?

Xiaomi 15 Ultra offers better protection against water and dust with an IP68 rating.

Can I buy these phones on Amazon?

Vivo Y39 – Check price here
Xiaomi 15 Ultra – Check price here

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.