Compare Phones.
Compare features, prices and ratings to find the perfect phone for you.
Our Verdict
Analysis
Xiaomi 15 Ultra has the larger battery; Samsung Galaxy S25 Ultra has the bigger display; Xiaomi 15 Ultra has the more RAM; Xiaomi 15 Ultra has the cheaper price.
Overall Winner
Xiaomi 15 Ultra
Display Winner
Samsung Galaxy S25 Ultra
Performance Winner
Xiaomi 15 Ultra
Camera Winner
Tie
Battery Winner
Xiaomi 15 Ultra
Value Winner
Xiaomi 15 Ultra
Specifications Comparison
| Feature | Xiaomi 15 Ultra | Samsung Galaxy S25 Ultra |
|---|---|---|
| Display size (in) | 6.73 | 6.90 |
| Battery (mAh) | 5410 | 5000 |
| Charging (W) | 90 | 45 |
| RAM (GB) | 16 | 12 |
| Storage (GB) | 512 | 256 |
| Main camera (MP) | 50.00 | 200.00 |
| Selfie (MP) | 32.00 | 12.00 |
| Weight (g) | 226 | 218 |
| Thickness (mm) | 9.35 | 8.20 |
| OS | Android 15, HyperOS 2 | Android 15 |
Pros & Cons
Xiaomi 15 Ultra
- Outstanding camera versatility
- Fast wired and wireless charging
- Bright display
- Heavy
- Software still polishing animations
- Limited availability in some regions
Samsung Galaxy S25 Ultra
- Brilliant display
- Versatile camera system
- Long update commitment
- Productivity features
- Premium pricing
- Bulky design
- Slow charging vs Chinese rivals
Every Spec, Side by Side
Specification
Xiaomi
Xiaomi 15 Ultra
Samsung
Samsung Galaxy S25 Ultra
Battery 3 specs
Type
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Li-Ion 5000 mAh
Capacity
5410 mAh
5000 mAh
Charging
90W wired, 80W wireless
45W wired
Body 5 specs
Build
Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
SIM
· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Aerospace-grade glass fiber
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Stylus
Weight
226 g
218 g
Dimensions
161.3 x 75.3 x 9.35 mm
162.8 x 77.6 x 8.2 mm
Connectivity 8 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
5.4, A2DP, LE
Positioning
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
GPS, GLONASS, BDS, GALILEO, QZSS
Infrared port
Yes
—
Radio
No
No
USB
USB Type-C 3.2 Gen 2, DisplayPort, OTG
USB Type-C 3.2, DisplayPort 1.2, OTG
5G
Yes
Yes
NFC
Yes
Yes
Display 5 specs
Type
LTPO AMOLED
Dynamic AMOLED 2X
Protection
Xiaomi Shield Glass 2.0, Mohs level 6
Corning Gorilla Armor 2, Mohs level 6
Size
6.73 inches
6.9 inches
Resolution
1440 x 3200 pixels
1440 x 3120 pixels
—
DX anti-reflective coating
Eu Label 4 specs
Energy
Class A
Class B
Battery
58:58h endurance, 1000 cycles
44:54h endurance, 2000 cycles
Free fall
Class C (90 falls)
Class A (270 falls)
Repairability
Class C
Class C
Features 2 specs
Sensors
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Two-way satellite communication (China model only)
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Ultra Wideband (UWB) support
Launch 2 specs
Announced
2025, February 27
2025, January 22
Status
Available. Released 2025, February 27
Available. Released 2025, February 03
Main Camera 3 specs
Features
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Laser AF, Best Face, LED flash, auto-HDR, panorama
Video
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)
8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Quad
50 MP + 50 MP + 200 MP + 50 MP
200 MP + 50 MP + 50 MP + 10 MP
Memory 5 specs
Card slot
No
No
Internal
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
UFS 4.1
UFS 4.0
RAM
16GB
12GB
Storage
512GB
256GB
Misc 5 specs
Colors
Black, White, Silver Chrome, Green
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Models
25010PN30G
SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
SAR EU
1.00 W/kg (head) 1.00 W/kg (body)
1.25 W/kg (head) 1.42 W/kg (body)
Price
$ 693.75 / £ 1,295.00 / € 812.34
$ 806.08 / C$ 1,149.00 / £ 689.99 / € 840.00 / ₹ 99,990
SAR
—
1.26 W/kg (head) 0.64 W/kg (body)
Network 7 specs
Technology
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - International
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China
1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
5G bands
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
Speed
HSPA, LTE, 5G
HSPA, LTE (CA), 5G
Our Tests 4 specs
Loudspeaker
-24.1 LUFS (Very good)
-24.6 LUFS (Very good)
Battery
Active use score 16:13h
Active use score 14:49h
Performance
—
AnTuTu: 2207809 (v10)
GeekBench: 9846 (v6)
3DMark: 6687 (Wild Life Extreme)
Display
—
1417 nits max brightness (measured)
Platform 4 specs
GPU
Adreno 830
Adreno 830 (1200 MHz)
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
OS
Android 15, HyperOS 2
Android 15
Chipset
Snapdragon 8 Elite
Snapdragon 8 Elite
Selfie Camera 3 specs
Features
HDR, panorama
HDR, HDR10+
Video
4K@30/60fps, 1080p@30/60fps, gyro-EIS
4K@30/60fps, 1080p@30fps
Single
32 MP
12 MP
Sound 3 specs
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
No
No
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Qualcomm XPAN (24-bit/96kHz audio)
High-bitrate audio support
Similar Comparisons
Common Questions
Which phone is the best in this comparison?
Xiaomi 15 Ultra has the larger battery; Samsung Galaxy S25 Ultra has the bigger display; Xiaomi 15 Ultra has the more RAM; Xiaomi 15 Ultra has the cheaper price.
How are the comparison winners decided?
We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".
Which is more affordable?
The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.