Asus ROG Phone 3 vs Asus Zenfone 12 Ultra

ASUS_I003D, ZS661KS

Asus Zenfone 12 UltraMORE PICTURES

2020, July

2025, February 06

2020, July

Released 2025, February 28

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€ 1,079.00 / £ 1,018.94

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

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

240 g (8.47 oz)

220 g (7.76 oz)

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

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

Black Glare

Ebony Black, Sakura White, Sage Green

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

Yes

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

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

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

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

1080 x 2340 pixels

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

16M colors

1 Million+

391 ppi density

388 ppi density

Capacitive Touchscreen

Yes

Corning Gorilla Glass 6

Corning Gorilla Glass Victus 2, Mohs level 6

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

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

No

Yes

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

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

13 MP, f/2.4, 125˚, 11mm (ultrawide)

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

5 MP, f/2.0, (macro)

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

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

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

HDR, panorama

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LED Flash

LED flash

24 MP, f/2.0, 27mm (wide), 0.9µm

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

Panorama, HDR

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Android 10

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

ROG UI

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Qualcomm SM8250 Snapdragon 865+ (7 nm+)

Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)

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

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

Adreno 650

Adreno 830

8/12/16 GB

12/16 GB

128/256/512 GB

256GB

5.1, A2DP, LE, aptX HD, aptX Adaptive

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

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

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

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

USB Type-C

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

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

Quick Charge 4.0, 3.0

15W wireless / 10W reverse wireless

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

HSPA, LTE, 5G

Li-Poly (Lithium Polymer)

Li-Ion (Lithium Ion)

6000 mAh battery

Li-Ion 5500 mAh

Yes, 30W

65W15W