POCO F9 Ultra vs vivo X100
The POCO F9 Ultra scores 9.3 in our rating, and the vivo X100 scores 7.6. The POCO F9 Ultra leads in display, performance, camera, battery and software support, while the vivo X100 is ahead in design. The POCO F9 Ultra is the newer phone, announced Sep 1, 2026.
Key differences
Why choose the POCO F9 Ultra
- Bigger battery 8,050 mAh vs 5,000 mAh
- Silicon-carbon battery
- Bigger screen 6.9 inches vs 6.78 inches
- Longer optical zoom 5× vs 3×
- Brighter screen 10,000 nits vs 3,000 nits
- Higher refresh rate 185 Hz vs 120 Hz
Why choose the vivo X100
- Faster wired charging 120 W vs 100 W
- Lighter 206 g vs 235 g
- Thinner 8.49 mm vs 8.74 mm
- Higher screen resolution 1260 × 2800 px vs 1200 × 2608 px
- Sharper display 452 ppi vs 416 ppi
- Charger in the box
PhoneRanked scores
Calculated from specs, relative to phones from the same year and price range. How we rate phones
Value for money marked “est.” is an estimate: that phone has no official US launch price, so it is not highlighted against the others.
Spec
POCO F9 Ultravivo X100
Overall
9.3
7.6
Display
8.7
8.4
Performance
9.0
7.6
Camera
8.7
8.2
Battery
8.8
5.7
Design
8.2
8.4
Software support
7.4
3.5
Value for money
6.0 est.
5.0 est.
Display
Spec
POCO F9 Ultravivo X100
Size
6.9 inches
6.78 inches
Type
OLED, Ultra-bright AMOLED
OLED
Resolution
1200 × 2608 px
1260 × 2800 px
Pixel density
416 ppi
452 ppi
Refresh rate
185 Hz
120 Hz
Adaptive refresh
✕ No
—
Peak brightness
10,000 nits
3,000 nits
HDR
HDR10+, Dolby Vision
—
Protection
Corning Gorilla Glass 7i
—
Performance
Spec
POCO F9 Ultravivo X100
Process
3 nm
4 nm
Max CPU clock
4.6 GHz
3.25 GHz
GPU
Adreno 840
Immortalis-G720
RAM
12 GB / 16 GB
12 GB / 16 GB
Storage
256 GB / 512 GB / 1 TB
256 GB / 512 GB / 1 TB
Storage type
UFS 4.1
UFS 4.0
microSD slot
✕ No
✕ No
Cameras
Spec
POCO F9 Ultravivo X100
Main camera
200 MP, f/1.68
50 MP, f/1.57
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
50 MP
50 MP
Telephoto
50 MP, 5× optical, periscope
64 MP, 3× optical
Optical zoom
5×
3×
Rear cameras
3
3
Rear video
8K@30
—
Front camera
32 MP
32 MP
Front video
4K@30
—
Battery and charging
Spec
POCO F9 Ultravivo X100
Capacity
8,050 mAh
5,000 mAh
Battery type
Silicon-carbon
Li-Ion
Wired charging
100 W
120 W
Wireless charging
50 W
—
Reverse wireless
✓ Yes
✕ No
Charger in box
✕ No
✓ Yes
Design and build
Spec
POCO F9 Ultravivo X100
Dimensions
163.49 × 77.94 × 8.74 mm
164.05 × 75.19 × 8.49 mm
Thickness
8.74 mm
8.49 mm
Weight
235 g
206 g
Form factor
Bar
Bar
Frame
Aluminum
—
Back
Fiberglass
Glass
Water resistance
IP68
IP68
Fingerprint
Under-display ultrasonic
Under-display optical
3D face unlock
✕ No
✕ No
SIM
Dual Nano-SIM + eSIM
Dual Nano-SIM
Colors
Black, Dark Cherry
Asteroid Black, Startrail Blue, Sunset Orange, White Moonlight
Connectivity and features
Spec
POCO F9 Ultravivo X100
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
6.0
5.4
USB
USB-C 3.x
USB-C 2.0
NFC
✓ Yes
✓ Yes
3.5 mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
—
Satellite
✕ No
✕ No
IR blaster
✓ Yes
✓ Yes
Software
Spec
POCO F9 Ultravivo X100
OS at launch
Android 16
Android 14
Interface
Xiaomi HyperOS 3
Funtouch OS 14
OS updates
4 years
—
Security updates
6 years
—
Launch and price
Spec
POCO F9 Ultravivo X100
Announced
Sep 1, 2026
Nov 13, 2023
Released
Sep 1, 2026
—
Status
Released
Released
Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error
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