Asus Zenfone 12 Ultra vs Asus ROG Phone 3

Asus Zenfone 12 UltraMORE PICTURES

ASUS_I003D, ZS661KS

2025, February 06

2020, July

Released 2025, February 28

2020, July

€ 1,079.00 / £ 1,018.94

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163.8 x 77 x 8.9 mm (6.45 x 3.03 x 0.35 in)

171 x 78 x 9.9 mm (6.73 x 3.07 x 0.39 in)

220 g (7.76 oz)

240 g (8.47 oz)

Glass front (Gorilla Glass Victus 2), aluminum frame, glass back

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame

Ebony Black, Sakura White, Sage Green

Black Glare

Yes

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA

Yes

HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - A version HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - B version

Yes

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - B version

Yes

1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79 SA/NSA - A version 41, 77, 78, 79 SA/NSA - B version

Nano-SIM + Nano-SIM + eSIM (max 2 at a time)

Dual SIM (Nano-SIM, dual stand-by)

6.78 inches, 111.0 cm2 (~88.0% screen-to-body ratio)

6.59 inches, 106.6 cm2 (~79.9% screen-to-body ratio)

1080 x 2400 pixels, 20:9 ratio (~388 ppi density)

1080 x 2340 pixels

1 Million+

16M colors

388 ppi density

391 ppi density

Yes

Capacitive Touchscreen

Corning Gorilla Glass Victus 2, Mohs level 6

Corning Gorilla Glass 6

144Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)

HDR10+ 144Hz refresh rate 650 nits max. brightness (advertised)

Yes

No

50 MP, f/1.9, 24mm (wide), 1/1.56

64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF

32 MP, f/2.4, 65mm (telephoto), 1/3.2

13 MP, f/2.4, 125˚, 11mm (ultrawide)

13 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/3.0

5 MP, f/2.0, (macro)

8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+

8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS

LED flash

LED Flash

32 MP, f/2.5, 22mm (wide), 1/3.2

24 MP, f/2.0, 27mm (wide), 0.9µm

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HDR, panorama

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Panorama, HDR

Android 15, upgradable to Android 16, up to 2 major Android upgrades

Android 10

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ROG UI

Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)

Qualcomm SM8250 Snapdragon 865+ (7 nm+)

Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)

Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)

Adreno 830

Adreno 650

12/16 GB

8/12/16 GB

256GB

128/256/512 GB

5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless

5.1, A2DP, LE, aptX HD, aptX Adaptive

Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct

Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

USB Type-C

Two (side 3.1, bottom 2.0) Type-C 1.0 reversible connector; accessory connector

GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS

Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, GNSS

15W wireless / 10W reverse wireless

Quick Charge 4.0, 3.0

HSPA, LTE, 5G

HSPA 42.2/5.76 Mbps, LTE-A (6CA) Cat20 2000/150 Mbps, 5G 4.4 Gbps DL

Li-Ion (Lithium Ion)

Li-Poly (Lithium Polymer)

Li-Ion 5500 mAh

6000 mAh battery

65W15W

Yes, 30W