Category Breakdown
vivo iQOO Z9
Xiaomi Redmi K40S
Performance
70.870.8
Camera
51.852.4
Display
88.588.5
Battery
60.060.0
Build
77.877.8
Overall
68.668.8
Summary
- The vivo iQOO Z9 features a glass front and plastic back with a weight of 188g, while the Xiaomi Redmi K40S has a slightly heavier build at 195g with Gorilla Glass 5 on the front.
- Both devices have a 6.67" AMOLED display with a 120Hz refresh rate, but the iQOO Z9 offers a higher peak brightness of 1800 nits compared to the K40S's 1300 nits.
- In terms of performance, the iQOO Z9 is powered by the Mediatek Dimensity 7200 chipset, while the K40S utilizes the Snapdragon 870, with the latter generally recognized for superior performance.
- Camera-wise, the iQOO Z9 has a 50 MP main sensor and a 16 MP selfie camera, whereas the K40S features a 48 MP main sensor and a 20 MP selfie camera, along with an ultrawide lens.
- The iQOO Z9 has a 5000mAh battery with 44W charging, while the K40S offers a smaller 4500mAh battery but faster 67W charging.
- Lastly, the iQOO Z9 runs on Android 14 with Funtouch 14, whereas the K40S operates on Android 12 with MIUI 13.
Side-by-side Specification Comparison
vivo iQOO Z9
Xiaomi Redmi K40S
General
Release Date
2024, March 12
2022, March 17
Announced
2024, March 12
2022, March 17
Description
N/A
N/A
Display
Size
6.67"
6.67"
Type
AMOLED, 120Hz, HDR, 1800 nits (peak)
AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
PPI
1080
1080
Refresh Rate
120Hz
120Hz
Peak Brightness
N/A
N/A
HDR Support
✓
✓
Protection
Dragontrail Star 2 Plus
Corning Gorilla Glass 5
Performance
Chipset
Mediatek Dimensity 7200 (4 nm)
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU
Octa-core (2x2.8 GHz Cortex-A715 & 6x Cortex-A510)
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU
Mali-G610 MC4
Adreno 650
Memory
128GB 8GB RAM, 256GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
No
Camera
Main Camera
50 MP
48 MP
Main Camera Details
50 MP, f/1.8, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS2 MP, f/2.4, (depth)
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS8 MP, 119˚ (ultrawide)2 MP, f/2.4, (macro)
Front Camera
16 MP
20 MP
Front Camera Details
16 MP, f/2.0, (wide), 1/3.0", 1.0µm
20 MP, (wide)
Video Recording
4K@30fps, 1080p@30/60fps, gyro-EIS, HDR
4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Selfie Video
1080p@30fps
1080p@30/120fps
OIS
✓
✓
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
4500 mAh
Battery Details
Li-Ion 5000 mAh
Li-Po 4500 mAh
Charging Details
44W wired, 50% in 30 min
67W wired, PD3.0, QC3, 100% in 38 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
163.2 x 75.8 x 7.8 mm (6.43 x 2.98 x 0.31 in)
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)
Weight
188 g
195 g
Materials
Glass front, plastic back, plastic frame
Glass front (Gorilla Glass 5), plastic back
Water Resistance
N/A
N/A
Colors
Brushed Green, Graphene Blue
Black, Gray, Blue, Green
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.3, A2DP, LE
5.2, A2DP, LE
NFC
✗
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS, GALILEO, GLONASS, QZSS, BDS
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Software
Operating System
Android 14, Funtouch 14
Android 12, MIUI 13
OS Version
Android 14, Funtouch 14
Android 12, MIUI 13
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No

