Screen size
Transformer Book TrioWinner: 11.6"+49%
Zenfone 85.9"
Quick verdict
Zenfone 8 leads the measured specs 19-2.
Measured wins
Transformer Book Trio
2
spec wins
Ties
2
equal specs
Zenfone 8
19
spec wins
Overall winner
Screen size
Technology
Transformer Book Trio
No cellular connectivity
Zenfone 8
GSM / HSPA / LTE / 5G
2G bands
Transformer Book Trio
N/A
Zenfone 8
GSM 850 / 900 / 1800 / 1900
GPRS
Transformer Book Trio
No
Zenfone 8
-
EDGE
Transformer Book Trio
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
Zenfone 8
-
3G bands
Transformer Book Trio
-
Zenfone 8
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Transformer Book Trio
-
Zenfone 8
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - International, 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 42, 66, 71 - USA
5G bands
Transformer Book Trio
-
Zenfone 8
1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA - International, 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78 SA/NSA - USA
Speed
Transformer Book Trio
-
Zenfone 8
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G
Announced
Transformer Book Trio
2013, September. Released 2013, September
Zenfone 8
2021, May 12
Status
Transformer Book Trio
Discontinued
Zenfone 8
Available. Released 2021, May 13
Dimensions
Transformer Book Trio
304.8 x 193 x 9.7 mm (12.00 x 7.60 x 0.38 in)
Zenfone 8
148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)
Weight
Transformer Book Trio
-
Zenfone 8
169 g (5.96 oz)
SIM
Transformer Book Trio
No
Zenfone 8
Nano-SIM + Nano-SIM
Other
Transformer Book Trio
Optional Windows 8 PC Station with standard QWERTY keyboard and trackpad.
Zenfone 8
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Build
Transformer Book Trio
-
Zenfone 8
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Type
Transformer Book Trio
IPS LCD
Zenfone 8
Super AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)
Size
Transformer Book Trio
11.6 inches, 371.0 cm2 (~63.1% screen-to-body ratio)
Zenfone 8
5.9 inches, 84.0 cm2 (~82.9% screen-to-body ratio)
Resolution
Transformer Book Trio
1080 x 1920 pixels, 16:9 ratio (~190 ppi density)
Zenfone 8
1080 x 2400 pixels, 20:9 ratio (~446 ppi density)
Protection
Transformer Book Trio
-
Zenfone 8
Corning Gorilla Glass Victus
OS
Transformer Book Trio
Android 4.2 (Jelly Bean)
Zenfone 8
Android 11, upgradable to Android 13
Chipset
Transformer Book Trio
Intel Atom
Zenfone 8
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Transformer Book Trio
-
Zenfone 8
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Transformer Book Trio
-
Zenfone 8
Adreno 660
Card slot
Transformer Book Trio
microSDXC (dedicated slot)
Zenfone 8
No
Internal
Transformer Book Trio
16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM
Zenfone 8
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
Other
Transformer Book Trio
-
Zenfone 8
UFS 3.1
Single
Transformer Book Trio
5 MP, AF
Zenfone 8
-
Video
Transformer Book Trio
1080p@30fps
Zenfone 8
8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR
Dual
Transformer Book Trio
-
Zenfone 8
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
Features
Transformer Book Trio
-
Zenfone 8
LED flash, HDR, panorama
Single
Transformer Book Trio
1.2 MP
Zenfone 8
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Video
Transformer Book Trio
720p
Zenfone 8
4K@30fps, 1080p@30/60fps
Loudspeaker
Transformer Book Trio
Yes
Zenfone 8
Yes, with stereo speakers
3.5mm jack
Transformer Book Trio
Yes
Zenfone 8
Yes
Other
Transformer Book Trio
-
Zenfone 8
32-bit/384kHz Hi-Res audio
WLAN
Transformer Book Trio
Wi-Fi 802.11 b/g/n, hotspot
Zenfone 8
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
Transformer Book Trio
3.0
Zenfone 8
5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning
Transformer Book Trio
No
Zenfone 8
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Transformer Book Trio
No
Zenfone 8
Yes
Radio
Transformer Book Trio
No
Zenfone 8
FM radio (market/region dependent)
USB
Transformer Book Trio
microUSB 2.0
Zenfone 8
USB Type-C 2.0, OTG
Sensors
Transformer Book Trio
Accelerometer, gyro, compass
Zenfone 8
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Transformer Book Trio
Li-Po (19 Wh)
Zenfone 8
Li-Po 4000 mAh
Charging
Transformer Book Trio
-
Zenfone 8
30W wired, PD3.0, 60% in 25 min, 100% in 80 min Reverse wired
Colors
Transformer Book Trio
Black
Zenfone 8
Obsidian Black, Horizon Silver
Models
Transformer Book Trio
-
Zenfone 8
ZS590KS, ZS590KS-2A007EU, I006D
Price
Transformer Book Trio
-
Zenfone 8
About 290 EUR