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Tecno Spark 2
Tecno Tecno Spark 2
2.4
Price TBA
View Details
Xiaomi 15 Ultra
Xiaomi Xiaomi 15 Ultra
512GB · 16GB RAM
4.3
From $1,099
View Details
★ Our Pick

Our Verdict

Analysis

Xiaomi 15 Ultra has the bigger display.

Overall Winner
Xiaomi 15 Ultra
Display Winner
Xiaomi 15 Ultra
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie

Specifications Comparison

Feature Tecno Spark 2 Xiaomi 15 Ultra
Display size (in) 6.00 6.73
Main camera (MP) 13.00 50.00
Selfie (MP) 8.00 32.00
Weight (g) 175 226
Thickness (mm) 7.80 9.35
Chipset Mediatek MT6580 (28 nm) Snapdragon 8 Elite
OS Android 8.1 Oreo (Go edition) Android 15, HyperOS 2

Pros & Cons

Tecno Spark 2

Xiaomi 15 Ultra

  • Outstanding camera versatility
  • Fast wired and wireless charging
  • Bright display
  • Heavy
  • Software still polishing animations
  • Limited availability in some regions

Every Spec, Side by Side

Specification
Tecno
Tecno Spark 2
Xiaomi
Xiaomi 15 Ultra
Battery 3 specs
Type
Li-Ion 3500 mAh, non-removable
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Capacity
5410 mAh
Charging
90W wired, 80W wireless
Body 5 specs
Dimensions
159.4 x 76.2 x 7.8 mm (6.28 x 3.00 x 0.31 in)
161.3 x 75.3 x 9.35 mm
Weight
175 g (6.17 oz)
226 g
SIM
Dual SIM (Micro-SIM, dual stand-by)
· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Build
Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame
 
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Aerospace-grade glass fiber
Connectivity 8 specs
Radio
FM radio
No
USB
microUSB 2.0, OTG
USB Type-C 3.2 Gen 2, DisplayPort, OTG
WLAN
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
No
Yes
Infrared port
Yes
5G
Yes
Display 4 specs
Type
IPS LCD
LTPO AMOLED
Size
6.0 inches, 92.9 cm2 (~76.5% screen-to-body ratio)
6.73 inches
Resolution
720 x 1440 pixels, 18:9 ratio (~268 ppi density)
1440 x 3200 pixels
Protection
Corning Gorilla Glass (unspecified version)
Xiaomi Shield Glass 2.0, Mohs level 6
Features 2 specs
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
 
Two-way satellite communication (China model only)
Launch 2 specs
Announced
2018, June. Released 2018, June
2025, February 27
Status
Discontinued
Available. Released 2025, February 27
Main Camera 4 specs
Single
13 MP, f/2.0, AF
Features
Triple-LED flash, HDR
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Video
1080p@30fps
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)
Quad
50 MP + 50 MP + 200 MP + 50 MP
Memory 5 specs
Card slot
microSDHC
No
Internal
16GB 1GB RAM, 16GB 2GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
 
UFS 4.1
RAM
16GB
Storage
512GB
Misc 4 specs
Colors
Champagne Gold, Black, Coral Blue, Metallic Red
Black, White, Silver Chrome, Green
Models
KA7, KA7O
25010PN30G
SAR EU
1.00 W/kg (head)     1.00 W/kg (body)    
Price
$ 693.75 / £ 1,295.00 / € 812.34
Network 7 specs
Technology
GSM / HSPA
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
HSPA
HSPA, LTE, 5G
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, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China
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
Platform 4 specs
OS
Android 8.1 Oreo (Go edition)
Android 15, HyperOS 2
Chipset
Mediatek MT6580 (28 nm)
Snapdragon 8 Elite
CPU
Quad-core 1.3 GHz Cortex-A7
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-400MP2
Adreno 830
Selfie Camera 3 specs
Single
8 MP
32 MP
Features
Dual-LED flash
HDR, panorama
Video
1080p@30fps
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound 3 specs
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
No
 
24-bit/192kHz Hi-Res & Hi-Res Wireless audio Qualcomm XPAN (24-bit/96kHz audio)
Eu Label 4 specs
Energy
Class A
Battery
58:58h endurance, 1000 cycles
Free fall
Class C (90 falls)
Repairability
Class C
Our Tests 2 specs
Loudspeaker
-24.1 LUFS (Very good)
Battery
Active use score 16:13h

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Common Questions

Which phone is the best in this comparison?

Xiaomi 15 Ultra has the bigger display.

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.