| Model Number |  ZS590KS, ASUS_I006D |  
  | Brand |  ASUS |  
  | Color |  Obsidian Black & Horizon Silver |  
  | Device Type |  Zenfone 8 5G 2021 |  
  | Processor |  Qualcomm SM8350 Snapdragon 888 5G (5 nm) |  
  | CPU Speed |  1×2.84 GHz Kryo 680 & 3×2.42 GHz Kryo 680 & 4×1.80 GHz Kryo 680 |  
  | No of Cores |  Octa-Core |  
  | GPU |  Qualcomm® Adreno™ 660 |  
  | Phone Operating System |  Android 11, ZenUI 8 |  
  | Sensors |    - Gyroscope sensor
  - E-compass sensor
  - Proximity sensor
  - Ambient light sensor
  - G-sensor
  - Hall sensor
  - In-display fingerprint sensor
  - Accelerator sensor
  - Face recognition sensor
     |  
  | Phone Memory (RAM) |  8 GB LPDDR5 |  
  | Storage Capacity |  256 GB UFS3.1 |  
  | Expandable |  No |  
  | Water Protection |  IP68 dust/water resistant (up to 1.5m for 30 mins) |  
  | Build |  Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame |  
  | Phone Display Size |  5.9-inch |  
  | Display Type |    - Samsung AMOLED display
  - 120Hz Refresh Rate
  - Corning® Gorilla® Glass Victus™ for best screen protection
  - Capacitive touch panel with 10 points multi-touch (supports glove touch)
  - HDR 10 and HDR10+ certified
  - Always-on display
     |  
  | Display Resolution |  2400 x 1080 Pixels (446 ppi density) |  
  | HD Type |  FHD+ |  
  | Phone Rear Camera |  Dual:  - 64 MP, f/1.8, 26mm (wide), 1/1.73″, 0.8µm, PDAF, OIS
  - 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55″, 1.4µm, dual pixel PDAF
     |  
  | Rear Camera Flash |  Dual-LED flash |  
  | Front Camera Resolution |  12 MP, f/2.5, 28mm (standard), 1/2.93″, 1.22µm, dual pixel PDAF |  
  | Front Camera Flash |  LED flash |  
  | Video Recording |    - 8K UHD (7680 x 4320) video at 24 fps for main camera
  - 4K UHD (3840 x 2160) video at 30 / 60 fps for secondary camera
  - 1080p FHD video recording at 30 / 60 fps with HyperSteady
  - 720p HD video recording at 30 fps
  - 3-axis electronic image stabilization for rear cameras
  - Motion Tracking video (4K UHD video at 60 fps)
  - Time Lapse (4K UHD video)
  - Slow Motion video (4K UHD at 120 fps / 1080p FHD at 240 fps / 720p at 480 fps)
  - Take still photo while recording video (do not support in 8K video recording)
     |  
  | Other Camera Features |    - Photo: Photo, Portrait, Pro (RAW file support, up to 32 seconds long exposure), Panorama, Night
  - Video: Auto video, Pro video, Slow Motion, Time Lapse, Motion Tracking
     |  
  | Battery Size |  4000 mAh |  
  | Battery Type |  Non-removable Li-Po |  
  | Cellular Connectivity |  5G |  
  | Number of SIM Cards |  Dual SIM |  
  | SIM Size |  Nano-SIM |  
  | Total Number of Slots |  1 |  
  | Slot Details |  Dual slots: 5G*+5G or 4G dual-SIM / dual-standby support 
Slot 1: 5G/4G/3G/2G Nano SIM card 
Slot 2: 5G/4G/3G/2G Nano SIM card |  
  | Supported Network Types |  GSM/GPRS/EDGE; WCDMA/HSPA+/DC-HSPA+; FDD-LTE; TD-LTE; 5G Sub 6 SA/NSA |  
  | Supported Network frequencies |    - FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
  - TD-LTE (Bands 34, 38, 39, 40, 41, 42)
  - WCDMA (Bands 1, 2, 3, 4, 5, 6, 8, 19)
  - EDGE/GPRS/GSM (850 / 900 / 1800 / 1900MHz)
  - 5G Bands: n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78
  - 5G Standalone (SA): n77, n78
     |  
  | GPS Type |  GPS (L1+L5), GLONASS (L1), BDS (B1/B1c/B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |  
  | Video Formats Supported |  MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |  
  | Audio Formats Supported |  MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE |  
  | Charging Port Type |    - Fast battery charging 30W
  - Supports Quick Charge 4.0 and PD Charging
     |  
  | Loud speaker |  Speaker:  - Dual stereo speakers with Dirac HD Sound
  - Multi-magnet stereo speakers with dual Cirrus Logic CS35L45 smart amplifiers for louder, deeper and less distorted sound effect
    Audio Output:   - Hi-Res Audio 384 kHz / 32-bit standard for 3.5mm output
  - Qualcomm Audio CODEC (WCD9385)
  - AudioWizard with multiple listening profiles
     |  
  | Microphone |  Triple microphones with OZO Audio Zoom & ASUS Noise Reduction Technology |  
  | NFC support |  Yes |  
  | Bluetooth |  Bluetooth® 5.2 (EDR + A2DP), supports LDAC, Qualcomm® aptX™, aptX™ HD, aptX™ Adaptive, AAC |  
  | Wireless |    - Integrated WiFi 6/6E* (802.11 a/b/g/n/ac/ax, 2×2 MIMO)
  - Supports tri-band 2.4 GHz / 5 GHz/ 6 GHz WiFi
  - Wi-Fi Direct, hotspot
     |  
  | Audio Jack |  3.5mm Audio Jack |  
  | Dimensions (H x L x W) |  148 x 68.5 x 8.9 mm |  
  | Weight |  0.169 kg |  
  | In the Box |    - Documentation (user guide, warranty card)
  - Ejector pin (SIM tray needle)
  - USB power adapter (30.0 W)
  - USB-C to USB-C cable
  - Protective case
     |