Asus
Asus ROG Phone 9Side-by-side comparison
Asus ROG Phone 9 vs Xiaomi Redmi K40
Xiaomi
Xiaomi Redmi K40Asus ROG Phone 9 — quick specs
- Network
- Display—
- Camera—
- Memory256 GB
- Battery5800 mAh
- OSAndroid 15
Xiaomi Redmi K40 — quick specs
- Network5G / LTE
- Display—
- Camera—
- Memory256 GB
- BatteryNon-removable Li-Po
- OS—
● Full specification comparison
Spec
Asus ROG Phone 9
Xiaomi Redmi K40
NETWORK
Technology
2G, 3G, 4G, 4G LTE, 5G
Technology
A
B2G, 3G, 4G, 4G LTE, 5G
LAUNCH
Announced
November 19, 2024
K40/Pro/Pro+: / Poco F3: / Mi 11i: / Mi 11X/Pro: / K40 Gaming: / Poco F3 GT: / K40S: / Poco F4:
Announced
ANovember 19, 2024
BK40/Pro/Pro+: / Poco F3: / Mi 11i: / Mi 11X/Pro: / K40 Gaming: / Poco F3 GT: / K40S: / Poco F4:
Status
Available. Released 2024
Available. Released 2021
Status
AAvailable. Released 2024
BAvailable. Released 2021
BODY
Dimensions
163.8 x 77 x 8.9 mm
—
Dimensions
A163.8 x 77 x 8.9 mm
B—
Weight
227g / 225g (9 FE)
—
Weight
A227g / 225g (9 FE)
B—
Build
—
Slate
Build
A—
BSlate
DISPLAY
Type
6.78" FHD+ (2400x1080 pixels) 185Hz SAMSUNG Flexible AMOLED
6.67 in AMOLED capacitive touchscreen, 1080p 1080 × 2400 pixels (2.5 MP), 20:9 aspect ratio (395ppi), 120Hz refresh rate, HDR10+
Type
A6.78" FHD+ (2400x1080 pixels) 185Hz SAMSUNG Flexible AMOLED
B6.67 in AMOLED capacitive touchscreen, 1080p 1080 × 2400 pixels (2.5 MP), 20:9 aspect ratio (395ppi), 120Hz refresh rate, HDR10+
PLATFORM
OS
Android 15
—
OS
AAndroid 15
B—
CPU
—
Octa-core
CPU
A—
BOcta-core
MEMORY
Card slot
No
None
Card slot
ANo
BNone
Internal
256GB, 512GB or 1TB UFS 4.0
128 or 256GB UFS 3.1
Internal
A256GB, 512GB or 1TB UFS 4.0
B128 or 256GB UFS 3.1
SOUND
Loudspeaker
Yes, with stereo speakers
Stereo loudspeakers
Loudspeaker
AYes, with stereo speakers
BStereo loudspeakers
3.5mm jack
No
No
3.5mm jack
ANo
BNo
COMMS
WLAN
Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band
Wi-Fi 802.11a/b/g/n/6/6e (2.4 & 5GHz), dual-band, WiFi Direct, DLNA, hotspot Bluetooth V5.1/5.2, A2DP, Low-energy, aptX-HD, NFC, USB 2.0 Type-C, Infrared Blaster, GNSS (A-GPS, GLONASS, GALILEO, BDS, QZSS, NAVIC)
WLAN
AWi-Fi 802.11 a/b/g/n/ac/ax, dual-band
BWi-Fi 802.11a/b/g/n/6/6e (2.4 & 5GHz), dual-band, WiFi Direct, DLNA, hotspot Bluetooth V5.1/5.2, A2DP, Low-energy, aptX-HD, NFC, USB 2.0 Type-C, Infrared Blaster, GNSS (A-GPS, GLONASS, GALILEO, BDS, QZSS, NAVIC)
Bluetooth
5.x
5.x, A2DP, LE
Bluetooth
A5.x
B5.x, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS, GALILEO
Yes, with A-GPS, GLONASS, BDS, GALILEO
GPS
AYes, with A-GPS, GLONASS, BDS, GALILEO
BYes, with A-GPS, GLONASS, BDS, GALILEO
USB
USB Type-C
USB Type-C
USB
AUSB Type-C
BUSB Type-C
NFC
Yes
Yes
NFC
AYes
BYes
FEATURES
Sensors
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Sensors
AFingerprint, accelerometer, gyro, proximity, compass, barometer
BFingerprint, accelerometer, gyro, proximity, compass, barometer
BATTERY
Charging
Fast charging
Fast charging
Charging
AFast charging
BFast charging
Battery Type
5800mAh / 5500mAh (9 FE)
Non-removable Li-Po
Battery Type
A5800mAh / 5500mAh (9 FE)
BNon-removable Li-Po
SELFIE CAMERA
Single
—
20 MP, (f/2.2, 27mm, 1/3.4", 0.8 μm) / HDR, 1080p@30fps, 720p@120fps
Single
A—
B20 MP, (f/2.2, 27mm, 1/3.4", 0.8 μm) / HDR, 1080p@30fps, 720p@120fps
Cells highlighted in green indicate a measurably better spec on that phone (battery capacity, RAM, storage, display size). Text-only specs are shown side by side without highlighting.