Compare / vivo Y400 vs vivo iQOO Pad Pro 8.8
vivo Y400 vs vivo iQOO Pad Pro 8.8
A side-by-side comparison of the vivo Y400 and the vivo iQOO Pad Pro 8.8, covering display, chipset, memory, camera, battery and build.

Overview
Specifications
vivo Y400
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 800 / 850 / 900 / 2100
- 4G bands
- 1, 3, 4, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 48
- 5G bands
- 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA
- Speed
- HSPA, LTE, 5G
vivo iQOO Pad Pro 8.8
- Technology
- No cellular connectivity
- 2G bands
- N/A
- 3G bands
- N/A
- 4G bands
- N/A
- GPRS
- No
- EDGE
- No
vivo Y400
- Announced
- 2025, August 04
- Status
- Available. Released 2025, August 07
vivo iQOO Pad Pro 8.8
- Announced
- 2026, October 28
- Status
- Available. Released 2026, October 28
vivo Y400
- Dimensions
- 162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
- Weight
- 197 g (6.95 oz)
- Build
- Glass front, plastic back, plastic frame
- SIM
Nano-SIM + Nano-SIM
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
vivo iQOO Pad Pro 8.8
- Dimensions
- 197.4 x 126.3 x 5.7 mm (7.77 x 4.97 x 0.22 in)
- Weight
- 298 g (10.51 oz)
- Build
- Glass front, aluminum back, aluminum frame
- SIM
No
Built-in bi-directional cooling fan
vivo Y400
- Type
- AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
- Size
- 6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)
- Resolution
- 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
vivo iQOO Pad Pro 8.8
- Type
- AMOLED1B colors165HzHDR10+1600 nits (HBM)4500 nits (peak)
- Size
- 8.8 inches, 224.5 cm2 (~90.1% screen-to-body ratio)
- Resolution
- 1440 x 2304 pixels, 16:10 ratio (~309 ppi density)
vivo Y400
- OS
- Android 15, Funtouch 15
- Chipset
- Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
- CPU
- Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
- GPU
- Adreno 613
vivo iQOO Pad Pro 8.8
- OS
- Android 17, OriginOS 7 HD
- Chipset
- Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
- CPU
- Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
- GPU
- Adreno 840
vivo Y400
- Card slot
- Unspecified
- Internal
128GB 8GB RAM, 256GB 8GB RAM
UFS 3.1
vivo iQOO Pad Pro 8.8
- Card slot
- No
- Internal
256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
UFS 4.1
vivo Y400
- Dual
50 MP, f/1.8, (wide), 1/2.96", PDAF
Auxiliary lens
- Features
- Ring-LED flash, panorama, HDR
- Video
- 1080p@30fps
vivo iQOO Pad Pro 8.8
- Single
- 13 MP
- Video
- 4K, 1080p
vivo Y400
- Single
- 32 MP, f/2.5, (wide)
- Video
- 1080p@30fps
vivo iQOO Pad Pro 8.8
- Single
- 8 MP
- Video
- 1080p@30fps
vivo Y400
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
No
24-bit/192kHz Hi-Res audio
vivo iQOO Pad Pro 8.8
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
vivo Y400
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac, dual-band
- Bluetooth
- 5.0, A2DP, LE
- Positioning
- GPS, GLONASS, GALILEO, BDS, QZSS
- NFC
- No
- Radio
- No
- USB
- USB Type-C 2.0, OTG
vivo iQOO Pad Pro 8.8
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
- Bluetooth
- 5.4, A2DP, LE
- Positioning
- No
- NFC
- No
- Radio
- No
- USB
- USB Type-C 3.2 Gen2, OTG, video output
vivo Y400
- Sensors
- Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
vivo iQOO Pad Pro 8.8
- Sensors
- Accelerometer, gyro, proximity (accessories only)
vivo Y400
- Type
- Li-Ion 6000 mAh
- Charging
90W wired, 50% in 20 min
Reverse wired
Bypass Charging
vivo iQOO Pad Pro 8.8
- Type
- Si/C Li-Ion 9020 mAh
- Charging
66W wired, PD
5W reverse wired
vivo Y400
- Colors
- Glam White, Olive Green
- SAR
- 0.99 W/kg (head) 0.80 W/kg (body)
- Price
- About 220 EUR
vivo iQOO Pad Pro 8.8
- Colors
- Gray, Blue
- Price
- About 580 EUR
How the vivo Y400 and vivo iQOO Pad Pro 8.8 differ
- The vivo iQOO Pad Pro 8.8 has a larger battery, 9020 mAh against 6000 mAh on the vivo Y400.
- The vivo iQOO Pad Pro 8.8 has the bigger screen, 8.8 inches against 6.67 inches.
- The vivo iQOO Pad Pro 8.8 offers more RAM, up to 16 GB against 8 GB.
- The main cameras are 50 MP on the vivo Y400 and 13 MP on the vivo iQOO Pad Pro 8.8.
- The vivo iQOO Pad Pro 8.8 is the newer of the two, released in October 2026.
