Asus ROG Phone 7 Ultimate vs Samsung Galaxy S23 Ultra: The Ultimate Showdown

The Asus ROG Phone 7 Ultimate and the Samsung Galaxy S23 Ultra represent two distinct approaches to smartphone design. One is a dedicated gaming powerhouse, while the other is a versatile flagship. This comparison dives deep into their strengths and weaknesses to help you decide which one deserves your money.
Phones Images

🏆 Quick Verdict

The ROG Phone 7 Ultimate dominates in raw gaming performance and battery endurance. However, the S23 Ultra offers a more refined overall experience, superior camera versatility, and a more polished software ecosystem. It's a trade-off between specialized power and all-around excellence.

PHONES
Phone Names Asus ROG Phone 7 Ultimate Samsung Galaxy S23 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
5G bands1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - International1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE (Up to 7CA), 5GHSPA, LTE (up to 7CA), 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6 - China1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
Launch
Announced2023, April 132023, February 01
StatusAvailable. Released 2023, MayAvailable. Released 2023, February 17
Body
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frameGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Dimensions173 x 77 x 10.3 mm (6.81 x 3.03 x 0.41 in)163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight239 g (8.43 oz)234 g (8.25 oz)
 Built-in motorized cooling air vent (AeroActive Portal) IP54 water resistant 2" OLED display (on the back) Pressure sensitive zones (Gaming triggers)IP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus (Bluetooth integration, accelerometer, gyro)
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus 2
Resolution1080 x 2448 pixels (~395 ppi density)1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
Size6.78 inches, 109.5 cm2 (~82.2% screen-to-body ratio)6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
TypeAMOLED, 1B colors, 165Hz, HDR10+, 1000 nits (HBM), 1500 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
 -Always-on display
Platform
CPUOcta-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetQualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
GPUAdreno 740Adreno 740
OSAndroid 13, up to 2 major Android upgradesAndroid 13, up to 4 major Android upgrades, One UI 8
Memory
Card slotNoNo
Internal512GB 16GB RAM256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 UFS 4.0 NTFS support for external storageUFS 4.0
Main Camera
FeaturesLED flash, HDR, panoramaLaser AF, LED flash, auto-HDR, panorama
Quad-200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Single-12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF
Triple50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF 13 MP, f/2.2, 13mm, 120˚ (ultrawide) 5 MP (macro)-
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesPanorama, HDRHDR, HDR10+
Single32 MP, f/2.5, 29mm (wide), 1/3.2", 0.7µm12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video1080p@30fps4K@30/60fps, 1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker Yes, with stereo speakers (2 amplifiers)Yes, with stereo speakers
 32-bit/384kHz audio32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.3, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless5.3, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 3.1 (side), DisplayPort 1.4; USB Type-C 2.0 (bottom), OTG, accessory connectorUSB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 -Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging65W wired, PD3.0, QC5, 100% in 42 min 10W reverse wired45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless
TypeLi-Po 6000 mAhLi-Ion 5000 mAh
Misc
ColorsStorm WhitePhantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition
Models-SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS
PriceAbout 780 EUR€ 549.90 / $ 454.99 / £ 433.00
SAR-1.12 W/kg (head)     0.92 W/kg (body)
SAR EU-0.96 W/kg (head)     1.40 W/kg (body)
Tests
Battery life Endurance rating 131h Endurance rating 126h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker -25.5 LUFS (Very good) -25.6 LUFS (Very good)
Performance AnTuTu: 1325105 (v9) GeekBench: 5139 (v5.5), 5567 (v6) GFXBench: 107fps (ES 3.1 onscreen) AnTuTu: 1241531 (v9) GeekBench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen)

Asus ROG Phone 7 Ultimate

  • Unmatched gaming performance
  • Exceptional battery life
  • Advanced cooling system
  • Fast charging (65W)
  • Dedicated gaming features (AirTriggers)

  • Less refined design
  • Camera not as versatile as S23 Ultra
  • Software experience less polished than Samsung's

Samsung Galaxy S23 Ultra

  • Superior camera system
  • Stunning display with high brightness
  • Premium design and build quality
  • Excellent software support
  • Wireless charging and reverse wireless charging

  • Slightly shorter battery life than ROG Phone 7 Ultimate
  • Performance can throttle under prolonged heavy load
  • Charging speed slower than ROG Phone 7 Ultimate

Display Comparison

Both phones boast exceptional displays. The S23 Ultra edges out the ROG Phone 7 Ultimate with a slightly higher peak brightness (1274 nits vs 1095 nits), resulting in better outdoor visibility. Both have 'Infinite' contrast ratios (nominal), indicating excellent blacks. The S23 Ultra's display is generally considered more color-accurate and visually appealing for everyday use, while the ROG Phone 7 Ultimate prioritizes responsiveness for gaming.

Camera Comparison

The Samsung Galaxy S23 Ultra's camera system is significantly more versatile and generally superior. It features a 200MP main sensor, offering incredible detail and dynamic range. The S23 Ultra also excels in zoom capabilities with its dual telephoto lenses. The ROG Phone 7 Ultimate's camera is competent but lacks the same level of sophistication and features as the S23 Ultra. Video recording is strong on both, but the S23 Ultra offers more advanced features.

Performance

Both phones are powered by the Snapdragon 8 Gen 2, but the ROG Phone 7 Ultimate's chipset (SM8550-AB) has a slightly higher prime core clock speed (3.2 GHz vs 3.36 GHz). While the difference is minimal, the ROG Phone 7 Ultimate's advanced cooling system allows it to sustain peak performance for longer periods without throttling, making it the clear winner for extended gaming sessions. The S23 Ultra's performance is excellent, but it may throttle slightly under prolonged heavy load.

Battery Life

The ROG Phone 7 Ultimate shines in battery life, boasting an impressive endurance rating of 131 hours. While the S23 Ultra's endurance rating is still very good at 126 hours, the ROG Phone 7 Ultimate offers noticeably longer usage times, especially for demanding tasks like gaming.

Buying Guide

The Asus ROG Phone 7 Ultimate is ideal for hardcore mobile gamers who prioritize performance, cooling, and a dedicated gaming experience. The Samsung Galaxy S23 Ultra is perfect for users who want a premium all-rounder with a fantastic camera, stunning display, and long-term software support.

Frequently Asked Questions

❓ Which phone is better for mobile gaming?
The Asus ROG Phone 7 Ultimate is the clear winner for mobile gaming due to its superior cooling, sustained performance, and dedicated gaming features.
❓ Which phone has the better camera?
The Samsung Galaxy S23 Ultra has a significantly better camera system with more versatility, higher resolution, and superior zoom capabilities.