Asus Zenfone 11 Ultra vs ROG Phone 8
Here we compared two flagship smartphones: the 6.78-inch Asus Zenfone 11 Ultra (with Qualcomm Snapdragon 8 Gen 3) that was released on March 14, 2024, against the Asus ROG Phone 8, which is powered by the same chip and came out 2 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Asus Zenfone 11 Ultra
- Slow-motion recording at 480FPS
Reasons to consider the Asus ROG Phone 8
- Higher display refresh rate – 165 Hz
- Supports Dolby Atmos sound technology
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.78 inches | 6.78 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 388 ppi | 388 ppi |
| Refresh rate | 144 Hz | 165 Hz |
| Adaptive refresh rate | Yes | Yes |
| Max rated brightness | 2500 nits | 2500 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10 |
| Screen protection | Gorilla Glass Victus 2 | Gorilla Glass Victus 2 |
| Screen-to-body ratio | 88.2% | 88.2% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming | - DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 96.5% | - |
| PWM | 486 Hz | - |
| Response time | 1 ms | - |
| Contrast | ∞ Infinity | - |
Peak brightness test (auto)
Design and build
| Height | 163.8 mm (6.45 inches) | 163.8 mm (6.45 inches) |
| Width | 76.8 mm (3.02 inches) | 76.8 mm (3.02 inches) |
| Thickness | 8.9 mm (0.35 inches) | 8.9 mm (0.35 inches) |
| Weight | 225 g (7.94 oz) | 225 g (7.94 oz) |
| Waterproof | IP68 | IP68 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Gray, Blue, Yellow | Black, Gray |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Gen 3 |
| Max clock | 3300 MHz | 3300 MHz |
| CPU cores | 8 (1 + 3 + 2 + 2) | 8 (1 + 3 + 2 + 2) |
| Architecture | - 2 cores at 2.27 GHz: Cortex-A520 - 2 cores at 2.96 GHz: Cortex-A720 - 3 cores at 3.15 GHz: Cortex-A720 - 1 core at 3.3 GHz: Cortex-X4 | - 2 cores at 2.27 GHz: Cortex-A520 - 2 cores at 2.96 GHz: Cortex-A720 - 3 cores at 3.15 GHz: Cortex-A720 - 1 core at 3.3 GHz: Cortex-X4 |
| L3 cache | 12 MB | 12 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 4 nanometers | 4 nanometers |
| Neural processor (NPU) | Hexagon | Hexagon |
| Graphics | Adreno 750 | Adreno 750 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 903 MHz | 903 MHz |
| FLOPS | ~2774 GFLOPS | ~2774 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 488032 | 469041 |
| GPU | 891544 | 889685 |
| Memory | 375069 | 412921 |
| UX | 314403 | 377386 |
| Total score | 2069048 | 2149033 |
| Samples | Less then 3 | [8 tests] |
3DMark Wild Life Performance
| Max surface temperature | 46.2 °C | - |
| Stability | - | 75% |
| Graphics test | - | 110 FPS |
| Graphics score | - | 18478 |
PCMark 3.0
| Web score | - | 23079 |
| Video editing | - | 9016 |
| Photo editing | - | 46694 |
| Data manipulation | - | 19214 |
| Writing score | - | 25554 |
Memory
| RAM size | 12, 16 GB | 12, 16 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 4266 MHz | 4200 MHz |
| Channels | 4 | 4 |
| Storage size | 256, 512 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.0 |
| Memory card | No | No |
Software
| Operating system | Android 14 | Android 14 |
| ROM | - | ROG UI |
| OS size | 21 GB | - |
Battery
| Capacity | 5500 mAh | 5500 mAh |
| Max charge power | 65 W | 65 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | Yes (15 W) | Yes (15 W) |
| Reverse charging | Yes | Yes |
| Fast charging | Yes (80% in 30 min) | Yes (50% in 20 min) |
| Full charging time | 0:41 hr | 0:39 hr |
| Web browsing | 11:18 hr | - |
| Watching video | 19:20 hr | - |
| Gaming | 07:08 hr | - |
| Standby | 117 hr | - |
General battery life
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| Zoom | Optical, 3x | Optical, 3x |
| Flash | LED | LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 24FPS | Up to 24FPS |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 480 FPS (720p) | 120 FPS (2160p) |
| Angle of widest lens | 120° | 120° |
| Lenses | 1) Standard: 50 MP 2) Telephoto: 32 MP 3) Ultrawide: 13 MP | 1) Standard: 50 MP 2) Telephoto: 32 MP 3) Ultrawide: 13 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support | - Bokeh mode - Pro mode |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.9 | f/1.9 |
| Focal length | 24 mm | 23.8 mm |
| Sensor | Sony IMX890 | Sony IMX890 |
| Sensor size | 1/1.56" | 1/1.56" |
| Pixel size | 1 micron | 1 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 32 MP | 32 MP |
| Aperture | f/2.4 | f/2.4 |
| Focal length | 65 mm | - |
| Sensor size | 1/3.2" | 1/3.2" |
| Pixel size | 0.7 micron | - |
| Stabilization | Optical | Optical |
| Image resolution | 13 MP | 13 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 13 mm | 13 mm |
| Sensor size | 1/3.0" | - |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | 70 | - |
| Preview | 68 | - |
| Zoom | 107 | - |
| Samples | Photo samples of Asus Zenfone 11 Ultra from DxOMark | - |
Selfie camera
| Megapixels | 32 megapixels | 32 megapixels |
| Image resolution | 3264 x 2448 | - |
| Aperture | f/2.5 | f/2.5 |
| Focal length | 22 mm | 22 mm |
| Sensor size | 1/3.2" | 1/3.2" |
| Pixel size | 0.7 micron | - |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.2 |
| USB features | - Charging - USB-Storage mode - OTG | - Charging - USB-Storage mode - OTG |
| DisplayPort | - | Yes, DP 1.4 |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| NFC* | Yes | Yes |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 20 | 18 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | Yes | Yes |
| FM radio | No | No |
| Dolby Atmos | No | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | March 2024 | January 2024 |
| Release date | April 2024 | January 2024 |
| Launch price | $899 | $1099 |
| Sensors | - Hall-effect sensor - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Not included | Yes, 65 W |
Further details
Notes on ROG Phone 8:
- Support for NTFS is available for external storage devices.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

