IQOO 15 vs Vivo x300 Ultra

Why Consider Each

An overview of the main advantages of each phone

Reasons to consider the IQOO 15

  • 37% higher HBM Brightness (2600 nits vs ~1900 nits)
  • 33% higher Peak Brightness (6000 nits vs 4500 nits)
  • 11% newer Bluetooth (6.0 vs 5.4)
  • 7% lighter Weight (215 grams vs 232 g - 237 g)
  • 6% larger Battery (7000 mAh vs 6600 mAh)

Reasons to consider the Vivo x300 Ultra

  • 4.0x better Camera (200 + 200 + 50 MP vs 50+50+50 MP)
  • 56% higher Front Camera (50 MP vs 32 MP)
  • 23% higher Zoom (3.7 x vs 3x)
  • 5% higher Digital Zoom (105 X vs 100x)
Specification
IQOO 15
General Information
Product Name IQOO 15 Vivo x300 Ultra
Brand IQOO Vivo
Mobile Image IQOO 15 Vivo x300 Ultra
Price 320000 🚫 PKR 480000 PKR
Price India ₹94000 ₹160000
Price USA $880 $1530
Variants Prices

12 + 256 GB
240,000 PKR 🚫 | ₹77,000 | $750

16 + 256 GB
260,000 PKR 🚫 | ₹80,000 | $770

12 + 512 GB
290,000 PKR 🚫 | ₹85,000 | $800

16 + 512 GB
320,000 PKR 🚫 | ₹94,000 | $880

16 + 1 TB
350,000 PKR 🚫 | ₹100,000 | $950

16GB + 512GB = 1280$ | 170,000 INR | 530,000 PKR
16GB + 1TB      = 1530 $ | 180,000 INR | 610,000 PKR

Display
Phone Dimensions 163.6 x 76.8 x 8.1 mm 163 x 76.8 x 8.2 mm (or 8.5 mm variant)
Screen Size 6.85 inch 6.82 inch
Screen Resolution 1440 x 3168 Pixels 1440 x 3168 Pixels
Refresh Rate 144 Hz 144 Hz
Screen Type LTPO AMOLED LTPO Amoled
Peak Brightness 6000 nits 4500 nits
HBM Brightness 2600 nits ~1900 nits
Performance
Processor Snapdragon 8 Elite Gen 5 Snapdragon 8 Elite Gen 5
Lithography Process 3 nm 3 nm
Max Clock 4.61 GHz 4.6 GHz
CPU Cores 8 Cores 8 Cores
Architecture

2× Oryon Gen 3 Prime Cores @ 4.61 GHz
6× Oryon Gen 3 Performance Cores @ 3.63 GHz

2 x 4.6 GHz Oryon V3 Phoenix L
6 x 3.62 GHz Oryon V3 Phoenix M

GPU Adreno 840 Adreno 840
AnTuTu Benchmark 4 M 4.1 M
Bootup Time 16 s 21s
Memory
RAM Memory 16+ 512 GB 16 + 1TB
RAM Type LPDDR5X LPDDR5X (5300 MHz)
Storage Type UFS 4.1 UFS 4.1
Card Slot No No
Variants

12+ 256 GB
16+ 256 GB
12+ 512 GB
16+ 512 GB
16+ 1024 GB

16GB + 512GB
16GB + 1TB

Rear Camera
Camera 50+50+50 MP 200 + 200 + 50 MP
Image Resolution 8160 × 6144 pixels 16,330 × 12,247 pixels.
Camera Sensor

50 MP=Sony IMX921 (wide)
50 MP=Sony IMX882 (telephoto)
50 MP=Samsung S5KJN1 (ultrawide)

200 MP= Sony LYT-901
200 MP= Samsung ISOCELL HPB
50 MP = Sony LYT-818

Zoom 3x 3.7 x
Digital Zoom 100x 105 X
Video Recording

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

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

Flash Quad Flash Dual-LED Flash
Front Camera
Front Camera 32 MP 50 MP
Front Sensor

32 MP= GalaxyCore GC32E1

50 MP=Samsung ISOCELL JN5

Front Resolution 6528 ×4896 Pixels 8192 x 6144 Pixels
Front Recording

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

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

Front Flash No No
Battery
Battery 7000 mAh 6600 mAh
Charging Watts 100 W 100 W
Battery Type Si/C Li-Ion Silicon-Carbon
Wireless Charging 40 W 40 W
Reverse Charging Yes Yes
Reverse Wireless Yes Yes
Battery Life (PC Mark) 13 hour ~15 hours
Charging Time 50-60 mints (0%-100%) ~30-40m (0% To 100%)
Software
Model Number V2546A V2547A
Release Date 4 February, 2026 3 April, 2026
Year 2026 2026
Series Name iQOO Number Series Vivo X Series
Category Flagship / Gaming Flagship
Android OS Android 17 Android 17, OriginOS 7
Body
Weight 215 grams 232 g - 237 g
Build Metal frame , Back Glass Frame Aluminum And Glass Back
IP Rating
Special Features

Built-in active cooling fan
futuristic honeycomb structure back
RGB Notifications Light

Zeiss optics & Zeiss T* lens coating
Optional add-on Zeiss telephoto lenses (200mm/400mm)
Emergency SOS via satellite (16GB+1TB model only)
Gimbal-level main camera stabilization (1.5°)
Dolby Vision HDR video capture
5 years OS updates; 5–7 years security updates

Connectivity
SIM Dual SIM Nano-SIM / E-Sim
Network 4G / 4G+ / 5G/ 5G+ 4G / 4G+ / 5G/ 5G+
WiFi Wi-Fi 7 Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Bluetooth 6.0 5.4
NFC Yes Yes
Security & Audio
Speakers Dual Stereo Speaker Dual Stereo Speaker
Fingerprint Hyper Sonic Front Finger Hyper Sonic Front Finger
Other Sensors

3D Ultrasonic In-Display Fingerprint Sensor
Accelerometer
Gyroscope
Proximity Sensor
Compass (E-Compass)
Ambient Light Sensor
IR Blaster (Infrared Remote Control)
Hall Sensor
Front Color Temperature Sensor
Rear Color Temperature Sensor
Flicker Sensor

Accelerometer
Gyroscope
Proximity
Compass
Hall sensor
RGB/color spectrum sensor

Highlights
Display Highlights IQOO 15 Vivo x300 Ultra
Processor Highlights IQOO 15 Vivo x300 Ultra
Memory Highlights IQOO 15 Vivo x300 Ultra
Camera Highlights IQOO 15 Vivo x300 Ultra
Battery Highlights IQOO 15 Vivo x300 Ultra
Verdict
Pros

✅ Snapdragon Power
✅ 144Hz AMOLED
✅ 7000mAh Battery
✅ 100W Charging
✅ 16GB LPDDR5X
✅ UFS 4.1 Storage

✅ Flagship Performance (Snapdragon 8 Elite Gen 5)
✅ Stunning Display (6.82″ LTPO AMOLED, 144Hz)
✅ Powerful Cameras (200MP + 200MP + 50MP)
✅ Bright Screen (4500 nits Peak)
✅ Huge Battery (6600mAh Capacity)
✅ Fast Charging (100W Wired)

Cons

❌ No SD Slot
❌ No Audio Jack
❌ Large Size
❌ Heavy Build
❌ Premium Pricing
❌ Limited Markets

❌ No SD Card (No microSD Support)
❌ Premium Price (Ultra-Flagship Segment)
❌ Heavy Weight (Large Camera Module)
❌ Bulky Design (6600mAh Battery)
❌ Curved Display (Accidental Touches)
❌ Slower Wireless (40W vs Rivals)

Best For

✅ Hardcore Gaming
✅ 8K Recording
✅ Heavy Multitasking
✅ Content Creation
✅ Power Users
✅ Long Battery

✅ Mobile Photography
✅ 8K Recording
✅ Gaming Performance
✅ Content Creators
✅ Power Users
✅ Multimedia Viewing

Not Best For

❌ Budget Buyers
❌ Compact Lovers
❌ Wired Earphones
❌ SD Card Users
❌ One-Handed Use
❌ Light Users

❌ Budget Buyers
❌ Compact Phones
❌ Lightweight Users
❌ Expandable Storage
❌ One-Handed Use
❌ Basic Calling

Related Media
Rival Devices

Xiaomi 17 Ultra
REDMAGIC 11 Pro
OnePlus 15
Samsung Galaxy S26 Ultra

iPhone 17 Pro Max
Xiaomi 17 Ultra
Samsung Galaxy S26 Ultra
Xiaomi 15 Ultra
Oppo Find X9 Pro
Google Pixel 11 Pro XL
Xiaomi Poco F9 Ultra

Unboxing
Mobile Disassembly
PUBG Gaming Test
Camera Test

Cast your vote

So, which phone would you choose?

Total votes: 0

This comparison covers specs and pricing for 50+ countries — select your country next to the search bar to see local pricing based on the live USD rate. Prices can vary by region due to local taxes, import duties, and retailer markups.

How the Comparison Tool Works
Scroll to Top