Compare / vivo Y400 4G vs vivo iQOO Neo12
vivo Y400 4G vs vivo iQOO Neo12
A side-by-side comparison of the vivo Y400 4G and the vivo iQOO Neo12, covering display, chipset, memory, camera, battery and build.
Overview
Specifications
vivo Y400 4G
- Technology
- GSM / HSPA / LTE
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 850 / 900 / 2100
- 4G bands
- 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
- Speed
- HSPA, LTE
vivo iQOO Neo12
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G bands
- 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
- 5G bands
- 1, 3, 5, 7, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
- Speed
- HSPA, LTE, 5G
vivo Y400 4G
- Announced
- 2025, July 28
- Status
- Available. Released 2025, July 28
vivo iQOO Neo12
- Announced
- 2026, October 28
- Status
- Available. Released 2026, October 28
vivo Y400 4G
- Dimensions
- 162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
- Weight
- 196 g or 198 g (6.91 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 Neo12
- Dimensions
- 163.4 x 75.9 x 8.5 mm (6.43 x 2.99 x 0.33 in)
- Weight
- 225 g or 229 g (7.94 oz)
- Build
- Glass front, aluminum frame, glass-fiber reinforced plastic back or glass back
- SIM
Nano-SIM + Nano-SIM
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Built-in cooling fan
vivo Y400 4G
- 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 Neo12
- Type
- AMOLED1B colors185HzHDR1000 nits (typ)2200 nits (HBM)
- Size
- 6.83 inches, 112.6 cm2 (~90.8% screen-to-body ratio)
- Resolution
- 1440 x 3200 pixels, 20:9 ratio (~514 ppi density)
vivo Y400 4G
- OS
- Android 15, Funtouch 15
- Chipset
- Qualcomm SM6225 Snapdragon 685 (6 nm)
- CPU
- Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
- GPU
- Adreno 610
vivo iQOO Neo12
- OS
- Android 17, OriginOS 7
- 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 4G
- Card slot
- No
- Internal
128GB 8GB RAM, 256GB 8GB RAM
UFS 2.2
vivo iQOO Neo12
- Card slot
- No
- Internal
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 4.1
vivo Y400 4G
- Dual
50 MP, f/1.8, (wide), 1/2.96", PDAF
Auxiliary lens
- Features
- Ring-LED flash, panorama, HDR
- Video
- 1080p@30fps
vivo iQOO Neo12
- Dual
50 MP, f/1.9, 23mm (wide), 1/1.56", PDAF, OIS
8 MP, f/2.2, (ultrawide)
- Features
- LED flash, panorama, HDR
- Video
- 8K, 4K, 1080p, gyro-EIS
vivo Y400 4G
- Single
- 8 MP, f/2.1, (wide)
- Video
- 1080p@30fps
vivo iQOO Neo12
- Single
- 16 MP, f/2.5, (wide)
- Video
- 1080p@30fps
vivo Y400 4G
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
No
24-bit/192kHz Hi-Res audio
vivo iQOO Neo12
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
vivo Y400 4G
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac, dual-band
- Bluetooth
- 5.0, A2DP, LE
- Positioning
- GPS, GLONASS, GALILEO, BDS, QZSS
- NFC
- Yes (market/region dependent)
- Radio
- No
- USB
- USB Type-C 2.0, OTG
vivo iQOO Neo12
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
- Bluetooth
- 5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5
- Positioning
- GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS
- NFC
- Yes
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 2.0, OTG
vivo Y400 4G
- Sensors
- Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
vivo iQOO Neo12
- Sensors
- Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
vivo Y400 4G
- Type
- Si/C Li-Ion 6000 mAh
- Charging
44W wired
Reverse wired
vivo iQOO Neo12
- Type
- Si/C Li-Ion 9000 mAh
- Charging
100W wired, 44W UFCS, 55W PPS
Reverse wired
vivo Y400 4G
- Colors
- Purple Twilight, Tropical Green (Dynamic Green), Pearl White
- Models
- I2502
- Price
- About 200 EUR
vivo iQOO Neo12
- Colors
- Black, Blue, Gray
- Models
- V2618A
- Price
- About 570 EUR
How the vivo Y400 4G and vivo iQOO Neo12 differ
- The vivo iQOO Neo12 has a larger battery, 9000 mAh against 6000 mAh on the vivo Y400 4G.
- The vivo iQOO Neo12 has the bigger screen, 6.83 inches against 6.67 inches.
- The vivo iQOO Neo12 offers more RAM, up to 16 GB against 8 GB.
- The vivo iQOO Neo12 is the newer of the two, released in October 2026.