Compare / vivo Y400 Pro vs vivo iQOO Neo12

vivo Y400 Pro vs vivo iQOO Neo12

A side-by-side comparison of the vivo Y400 Pro and the vivo iQOO Neo12, covering display, chipset, memory, camera, battery and build.

vivo Y400 Pro
vivo
vivo Y400 Pro
vivo iQOO Neo12
vivo
vivo iQOO Neo12

Overview

Display
vivo Y400 Pro
6.77inch
AMOLED · 120 Hz
1080 × 2392 · 388 PPI
vivo iQOO Neo12
6.83inch
AMOLED · 185 Hz
1440 × 3200 · 514 PPI
Chip
vivo Y400 Pro
Mediatek Dimensity 7300 (4 nm)
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Mali-G615 MC2 · Android 15
vivo iQOO Neo12
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Adreno 840 · Android 17
Memory
vivo Y400 Pro
8GB RAM
128 GB · 256 GB storage
No card slot
vivo iQOO Neo12
12 / 16GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
Camera
vivo Y400 Pro
50MP
32 MP selfie
4K@30fps video
vivo iQOO Neo12
50MP Main
8 MP Ultra Wide
16 MP selfie
8K video
Battery
vivo Y400 Pro
5,500mAh
90 W wired
vivo iQOO Neo12
9,000mAh
100 W wired
Build
vivo Y400 Pro
182g
IP65
vivo iQOO Neo12
225g
163.4 × 75.9 × 8.5 mm
IP68
Connectivity
vivo Y400 Pro
5GWi-Fi 5Bluetooth 5.4Nano-SIM + Nano-SIMUSB Type-C 2.0
vivo iQOO Neo12
5GWi-Fi 7Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

vivo Y400 Pro

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 28, 38, 40, 41
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

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 Pro

Announced
2025, June 20
Status
Available. Released 2025, June 27

vivo iQOO Neo12

Announced
2026, October 28
Status
Available. Released 2026, October 28

vivo Y400 Pro

Dimensions
163.8 x 75.0 x 7.5 or 7.7 mm
Weight
182 g (6.42 oz)
Build
Glass front, plastic back, plastic frame
SIM

Nano-SIM + Nano-SIM

IP65 dust tight and water resistant (low pressure water jets)

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 Pro

Type
AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak)
Size
6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Resolution
1080 x 2392 pixels (~388 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 Pro

OS
Android 15, Funtouch 15
Chipset
Mediatek Dimensity 7300 (4 nm)
CPU
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Mali-G615 MC2

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 Pro

Card slot
No
Internal

128GB 8GB RAM, 256GB 8GB RAM

UFS 3.1

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 Pro

Dual

50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF

Auxiliary lens

Features
Ring-LED flash, panorama, HDR
Video
4K@30fps, 1080p@30fps, gyro-EIS

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 Pro

Single
32 MP, f/2.5, (wide)
Video
4K@30fps, 1080p@30fps

vivo iQOO Neo12

Single
16 MP, f/2.5, (wide)
Video
1080p@30fps

vivo Y400 Pro

Loudspeaker
Yes, with stereo speakers
3.5mm jack

No

24-bit/192kHz Hi-Res & Hi-Res wireless audio

vivo iQOO Neo12

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

vivo Y400 Pro

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE
Positioning
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
No
Infrared port
Yes
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 Pro

Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

vivo iQOO Neo12

Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass

vivo Y400 Pro

Type
Li-Ion 5500 mAh
Charging

90W wired, 50% in 19 min

6W reverse wired

vivo iQOO Neo12

Type
Si/C Li-Ion 9000 mAh
Charging

100W wired, 44W UFCS, 55W PPS

Reverse wired

vivo Y400 Pro

Colors
Fest Gold, Freestyle White, Nebula Purple
SAR
0.90 W/kg (head)    
SAR EU
0.85 W/kg (head)    
Price
About 250 EUR

vivo iQOO Neo12

Colors
Black, Blue, Gray
Models
V2618A
Price
About 570 EUR

How the vivo Y400 Pro and vivo iQOO Neo12 differ

  • The vivo iQOO Neo12 has a larger battery, 9000 mAh against 5500 mAh on the vivo Y400 Pro.
  • The vivo iQOO Neo12 has the bigger screen, 6.83 inches against 6.77 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.