Samsung Galaxy S25 Ultra
#4
Xiaomi 15
#44Category Breakdown
Samsung Galaxy S25 Ultra
Xiaomi 15
Performance
97.397.2
Camera
99.899.6
Display
98.498.5
Battery
94.397.3
Build
97.379.7
Connectivity
90.688.4
Audio
87.687.6
Overall
96.392.9
Summary
- The Samsung Galaxy S25 Ultra features a larger 6.9-inch Dynamic LTPO AMOLED display with a peak brightness of 2600 nits, while the Xiaomi 15 has a slightly smaller 6.36-inch LTPO AMOLED display with a higher peak brightness of 3200 nits.
- Both devices utilize the Snapdragon 8 Elite chipset, but the S25 Ultra has a more powerful CPU configuration.
- In terms of camera capabilities, the S25 Ultra boasts a 200 MP main sensor and multiple telephoto options, whereas the Xiaomi 15 has a 50 MP main sensor with a 2.6x optical zoom.
- The Galaxy S25 Ultra has a 5000 mAh battery with 45W charging, compared to the Xiaomi 15's 5240 mAh battery with faster 90W charging.
- Both run on Android 15, but the S25 Ultra offers more extensive software support with up to 7 major updates, while the Xiaomi 15 is limited to 4.
- Build quality is also notable, with the S25 Ultra featuring a titanium frame and Gorilla Glass, while the Xiaomi 15 uses an aluminum alloy frame and Xiaomi Shield Glass.
Side-by-side Specification Comparison
Samsung Galaxy S25 Ultra
Xiaomi 15
General
Release Date
2025, January 22
2024, October 29
Announced
2025, January 22
2024, October 29
Description
N/A
N/A
Display
Size
6.9"
6.36"
Type
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3200 nits (peak)
Resolution
1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)
1200 x 2670 pixels, 20:9 ratio (~460 ppi density)
PPI
1440
1200
Refresh Rate
120Hz
120Hz
HDR Support
✓
✓
Protection
Corning Gorilla Armor 2
Xiaomi Shield Glass
Performance
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 830
Adreno 830
Memory
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS10 MP, f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom50 MP, f/1.9, 120˚ (ultrawide), 0.7µm, dual pixel PDAF, Super Steady video
50 MP, f/1.6, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS50 MP, f/2.0, 60mm (telephoto), 1/2.76", 0.64µm, PDAF (10cm - ∞), OIS, 2.6x optical zoom50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm
Main Camera Features
Laser AF, Best Face, LED flash, auto-HDR, panorama
Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Front Camera
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm
Front Camera Features
HDR, HDR10+
HDR, panorama
Video Recording
8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
8K@24/30fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie Video
4K@30/60fps, 1080p@30fps
4K@30/60fps, 1080p@30/60fps, HDR10+, gyro-EIS
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
5240 mAh
Battery Details
Li-Ion 5000 mAh
Si/C Li-Ion 5240 mAh - GlobalSi/C Li-Ion 5400 mAh - China
Charging Details
45W wired, PD3.0, 65% in 30 min15W wireless (Qi2 Ready)4.5W reverse wireless
90W wired, PD3.0, QC3+50W wireless10W reverse wireless
Fast Charging
✗
✗
Wireless Charging
✓
✓
Build & Safety
Dimensions
162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in)
152.3 x 71.2 x 8.1 / 8.4 / 8.5 mm
Weight
218 g
189 g
Materials
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Glass front (Xiaomi Shield Glass), aluminum alloy frame (6M42)
Colors
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Black, White, Liquid Silver, Green, Lilac
Foldable
✗
✗
SAR
1.26 W/kg (head) 0.64 W/kg (body)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM +eSIM+ eSIM (max 2 at a time) - INTNano-SIM + eSIM + eSIM (max 2 at a time) - USANano-SIM + Nano-SIM - CN
Nano-SIM + Nano-SIMNano-SIM + Nano-SIM +eSIM+ eSIM (max 2 at a time)
Network
GSM / CDMA / HSPA / EVDO / LTE / 5G
GSM / HSPA / LTE / 5G
Network Speed
HSPA, LTE (up to 7CA), 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE
5.4/6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
NFC
✓
✓
USB
USB Type-C 3.2, DisplayPort 1.2, OTG
USB Type-C 3.2, Display Port, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO, QZSS
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No
Software & Security
Operating System
Android 15, up to 7 major Android upgrades, One UI 7
Android 15, up to 4 major Android upgrades, HyperOS 2
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer