Oppo K13x vs Samsung Galaxy S25 Ultra – Price, Specs & Features

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Oppo K13x

Dimensity 6300
6 nm
6000 mAh
45W
6.67"
720 x 1604 pixels
50 MP
1080p@30/60fps
Specs

Samsung Galaxy S25 Ultra

Snapdragon 8 Elite
3 nm
5000 mAh
45W
6.9"
1440 x 3120 pixels
200 MP
8K@24/30fps
Specs

Samsung Galaxy S25 Ultra

General

Launch Date

June 23, 2025

January 22, 2025

Availability

Available Now

Android 15

Custom UI

ColorOS 15

One UI 7

OS Updates

2 Years

7 Years

Security Updates

3 Years

7 Years

AI Features

Google Gemini, AI Writer, AI Summary, Screen Translator, AI Eraser, AI Motion, AI Portrait and More

AI Select, Circle to Search, Cross-app Action, Call Transcript, Writing Assist, Drawing Assist, Audio Eraser, Now Brief, Now Bar and More

Body

Dimensions

165.7 x 76.2 x 7.9 mm

162.8 x 77.6 x 8.2 mm

Thickness

7.9 mm

8.2 mm

Weight

194 g

218 g

Back Material

Corning Gorilla Armor

Build Details

Titanium Frame (grade 5)

IP Rating

IP65 (dust tight and water resistant (low pressure water jets), MIL-STD-810H compliant*)

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

Display

Size

6.67 inches

6.9 inches

Type

IPS LCD

Dynamic LTPO AMOLED 2X, HDR10+, Always-on display, DX anti-reflective coating

Refresh Rate

120 Hz

Peak Brightness

1000 nits

2600 nits

Resolution

720 x 1604 pixels

1440 x 3120 pixels

Pixel Density

264 ppi

498 ppi

Aspect Ratio

20:9

19.5:9

Screen to Body Ratio

85.2 %

92.5 %

Protection

Gorilla Glass 7i

Corning Gorilla Armor

Performance

Chipset¹

Mediatek Dimensity 6300

Qualcomm Snapdragon 8 Elite

Process Size

6 nm

3 nm

CPU

Octa-core
2x2.4 GHz Cortex-A76
6x2.0 GHz Cortex-A55

Octa-core
2x4.47 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Mali-G57 MC2

Adreno 830

RAM & Storage

4GB 128GB (UFS 2.2)
6GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)

12GB 256GB (UFS 4.0)
12GB 512GB (UFS 4.0)
12GB 1024GB (UFS 4.0)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

Camera

Main Camera

50 MP
OmniVision OV50D, f/1.8, (wide), PDAF

2 MP,
f/2.4, (Mono)

200 MP
f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS

10 MP
f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom

50 MP
f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom

50 MP
f/1.9, 120˚ (ultrawide), 0.7µm, dual pixel PDAF, Super Steady video

OIS

Yes

Features

LED flash, HDR, panorama

Laser AF, Best Face, LED flash, auto-HDR, panorama

Video Recording

1080p@30/60fps

8K@24/30fps
4K@30/60/120fps
1080p@30/60/240fps

Video Recording Features

10-bit HDR, HDR10+, Stereo Sound recording, gyro-EIS

Selfie Camera

8 MP
GalaxyCore GC08A8, f/2.0, (wide)

12 MP
f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF

Selfie Features

HDR, HDR10+

Selfie Video Recording

1080p@30fps

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

Connectivity

SIM

Dual SIM
SIM1: Nano, SIM2: Nano (Hybrid)

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

5G Support

Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, n77, n78

Yes

17 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n66, n77, n78

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

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.2, DisplayPort 1.2, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Yes

Battery

Capacity

6000 mAh

5000 mAh

Type

Li-Po

Li-Ion

Removable

Wired charging

45W

Charging Speed

50% in 37 min

65% in 30 min

Reverse Wired Charging

Wireless Charging

15W

Reverse Wireless Charging

4.5W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Extra Features

Sensors

Side-mounted fingerprint sensor, accelerometer, proximity, compass

Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Others

Samsung DeX, Samsung Wireless DeX

Colors and Pricing

Colors

Midnight Violet, Sunset Peach, Breeze Blue, Mist White

Titanium Silver Blue, Titanium Black, Titanium Gray, Titanium White Silver, Titanium Jet Black, Titanium Jade Green, Titanium Pink Gold

Price in India

₹11999

₹114990

FAQs

Which phone has better performance?

In this performance comparison, the Samsung Galaxy S25 Ultra with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the Oppo K13x with the Mediatek Dimensity 6300 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Samsung Galaxy S25 Ultra offers 7 years of OS updates, whereas Oppo K13x provides 2 years. For security updates, Samsung Galaxy S25 Ultra offers 7 years of support compared to Oppo K13x's 3 years.

Which phone has a better display?

Samsung Galaxy S25 Ultra features a superior AMOLED display, while Oppo K13x comes with an LCD panel. Both smartphones offer the same 120 Hz refresh rate. Samsung Galaxy S25 Ultra also boasts a brighter screen with 2600 nits of peak brightness, enhancing outdoor visibility. Notably, Samsung Galaxy S25 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Oppo K13x comes with a larger 6000 mAh battery, which may offer longer usage on a single charge. Both devices support the same wired charging speed of 45W. Samsung Galaxy S25 Ultra supports wireless charging at 15W, while Oppo K13x lacks this feature.

Which phone has better water and dust resistance?

Samsung Galaxy S25 Ultra offers better protection against water and dust with an IP68 rating.

Can I buy these phones on Amazon?

Samsung Galaxy S25 Ultra – Check price here

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