Asus Zenfone 12 Ultra
#12
Xiaomi Redmi K70
#615Category Breakdown
Asus Zenfone 12 Ultra
Xiaomi Redmi K70
Performance
97.196.3
Camera
99.197.9
Display
97.597.7
Battery
97.633.7
Build
81.90.2
Connectivity
90.886.3
Audio
87.687.6
Overall
94.973.4
Summary
- The Asus Zenfone 12 Ultra features a robust build with Gorilla Glass Victus 2 and an aluminum frame, while the Xiaomi Redmi K70 has a lighter design but lacks detailed material specifications.
- The Zenfone's 6.78-inch LTPO AMOLED display offers a higher refresh rate of 144Hz and superior peak brightness compared to the K70's 6.67-inch OLED display with 120Hz refresh rate.
- In terms of performance, the Zenfone is powered by the Snapdragon 8 Elite chipset, whereas the K70 utilizes the Snapdragon 8 Gen 2, both providing high-end capabilities.
- The camera systems are competitive, with the Zenfone offering a versatile triple-camera setup and a 32MP selfie camera, while the K70 has a dual-camera system with an 8MP ultrawide and a 16MP selfie camera.
- The Zenfone's 5500mAh battery supports wireless charging, whereas the K70 has a slightly smaller 5000mAh battery but supports faster wired charging at 120W.
- Software-wise, the Zenfone runs on Android 15, while the K70 operates on Android 14 with HyperOS, reflecting different user experiences.
Side-by-side Specification Comparison
Asus Zenfone 12 Ultra
Xiaomi Redmi K70
General
Release Date
2025, February 06
2023, November 29
Announced
2025, February 06
2023, November 29
Description
N/A
N/A
Display
Size
6.78"
6.67"
Type
LTPO AMOLED, 144Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)
OLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 4000 nits (peak)
Resolution
1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
1440 x 3200 pixels, 20:9 ratio (~526 ppi density)
PPI
1080
1440
Refresh Rate
144Hz
120Hz
HDR Support
✓
✓
Protection
Corning Gorilla Glass Victus 2
N/A
Performance
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU
Adreno 830
Adreno 740
Memory
256GB 12GB RAM, 512GB 16GB RAM
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS32 MP, f/2.4, 65mm (telephoto), 1/3.2", 0.7µm, PDAF, OIS, 3x optical zoom13 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/3.0", 1.12µm
50 MP, f/1.6, (wide), 1/1.55", 1.0µm, PDAF, OIS8 MP, (ultrawide)2 MP, (macro)
Main Camera Features
LED flash, HDR, panorama
Color spectrum sensor, LED flash, HDR, panorama
Front Camera
32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
16 MP, (wide)
Front Camera Features
Panorama, HDR
HDR
Video Recording
8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie Video
1080p@30fps
1080p@30/60fps, gyro-EIS
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5500 mAh
5000 mAh
Battery Details
5500 mAh
Li-Po 5000 mAh
Charging Details
65W wired, PD3.0, PPS, QC5, 100% in 39 min15W wireless (Qi)10W reverse wired
120W wired, PD3.0, QC3+, 100% in 18 min
Fast Charging
✗
✗
Wireless Charging
✓
✗
Build & Safety
Dimensions
163.8 x 77 x 8.9 mm (6.45 x 3.03 x 0.35 in)
160.9 x 75 x 8.2 mm (6.33 x 2.95 x 0.32 in)
Weight
220 g
209 g
Materials
Glass front (Gorilla Glass Victus 2), aluminum frame, glass back
N/A
Colors
Ebony Black, Sakura White, Sage Green
Black, Silver, Blue/Green, Purple
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM +eSIM(max 2 at a time)
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/6e/7, tri-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
5.3, A2DP, LE
NFC
✓
✓
USB
USB Type-C
USB Type-C, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
Yes
No
Software & Security
Operating System
Android 15, up to 2 major Android upgrades
Android 14, HyperOS
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, gyro, compass