Asus ROG Phone 7 Ultimate vs. 6D: Which Gaming Beast Reigns Supreme?

Asus continues to dominate the gaming phone space, but choosing between the ROG Phone 6D and the newer 7 Ultimate requires careful consideration. The 6D, with its Mediatek Dimensity 9000+, offers a compelling value proposition, while the 7 Ultimate boasts Qualcomm’s latest Snapdragon 8 Gen 2. This comparison dives deep into the nuances of each device to determine which one delivers the ultimate mobile gaming experience.
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🏆 Quick Verdict

For most gamers, the Asus ROG Phone 7 Ultimate is the superior choice. The Snapdragon 8 Gen 2 provides a noticeable performance uplift, particularly in sustained gaming scenarios, and the improved thermal management minimizes throttling. While the 6D remains a capable device, the 7 Ultimate justifies its price premium with future-proofed power.

PHONES
Phone Names Asus ROG Phone 6D Asus ROG Phone 7 Ultimate
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48 - A version1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - International
5G bands1, 2, 3, 5, 7, 8, 12, 18, 20, 26, 28, 38, 40, 41, 48, 77, 78, 79 SA/NSA/Sub6 - A version1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - International
SpeedHSPA 42.2/11.5 Mbps, LTE (5CA) Cat19 1600/210 Mbps, 5GHSPA, LTE (Up to 7CA), 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6 - B version1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6 - China
Launch
Announced2022, September 192023, April 13
StatusAvailable. Released 2022, October 11Available. Released 2023, May
Body
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frameGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Dimensions173 x 77 x 10.4 mm (6.81 x 3.03 x 0.41 in)173 x 77 x 10.3 mm (6.81 x 3.03 x 0.41 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight239 g (8.43 oz)239 g (8.43 oz)
 IPX4 water resistant Illuminated RGB logo (on the back) Pressure sensitive zones (Gaming triggers)Built-in motorized cooling air vent (AeroActive Portal) IP54 water resistant 2" OLED display (on the back) Pressure sensitive zones (Gaming triggers)
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus
Resolution1080 x 2448 pixels (~395 ppi density)1080 x 2448 pixels (~395 ppi density)
Size6.78 inches, 109.5 cm2 (~82.2% screen-to-body ratio)6.78 inches, 109.5 cm2 (~82.2% screen-to-body ratio)
TypeAMOLED, 1B colors, 165Hz, HDR10+, 800 nits (typ), 1200 nits (peak)AMOLED, 1B colors, 165Hz, HDR10+, 1000 nits (HBM), 1500 nits (peak)
Platform
CPUOcta-core (1x3.35 GHz Cortex-X2 & 3x2.85 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetMediatek Dimensity 9000+ (4 nm)Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
GPUMali-G710 MC10Adreno 740
OSAndroid 12Android 13, up to 2 major Android upgrades
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM512GB 16GB RAM
 UFS 3.1 NTFS support for external storageUFS 4.0 NTFS support for external storage
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Triple50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF 13 MP, f/2.2, 13mm (ultrawide) 5 MP (macro)50 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@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
Selfie camera
FeaturesPanorama, HDRPanorama, HDR
Single12 MP, 28mm (wide)32 MP, f/2.5, 29mm (wide), 1/3.2", 0.7µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakers (2 amplifiers)Yes, with stereo speakers (2 amplifiers)
 24-bit/192kHz audio32-bit/384kHz audio
Comms
Bluetooth5.3, A2DP, LE, aptX HD, aptX Adaptive5.3, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1), NavIC (L5)GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.1 (side), USB Type-C 2.0 (bottom), OTG, accessory connectorUSB Type-C 3.1 (side), DisplayPort 1.4; USB Type-C 2.0 (bottom), OTG, accessory connector
WLANWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging65W wired, PD3.0 10W reverse wired65W wired, PD3.0, QC5, 100% in 42 min 10W reverse wired
TypeLi-Po 6000 mAhLi-Po 6000 mAh
Misc
ColorsSpace GrayStorm White
ModelsAI2203, AI2203_D-
PriceAbout 690 EURAbout 780 EUR
Tests
Battery life- Endurance rating 131h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -25.5 LUFS (Very good)
Performance- AnTuTu: 1325105 (v9) GeekBench: 5139 (v5.5), 5567 (v6) GFXBench: 107fps (ES 3.1 onscreen)

Asus ROG Phone 6D

  • More affordable price point
  • Excellent performance with Dimensity 9000+
  • Still a very capable gaming phone

  • Older chipset, potentially more throttling
  • Slightly less efficient than Snapdragon 8 Gen 2

Asus ROG Phone 7 Ultimate

  • Superior performance with Snapdragon 8 Gen 2
  • Faster charging with QC5 support
  • Brighter and higher contrast display

  • Higher price tag
  • May not represent a massive upgrade for all users

Display Comparison

Both phones offer excellent displays, but the ROG Phone 7 Ultimate edges ahead with a measured peak brightness of 1095 nits. While both lack specific refresh rate data, ROG phones are known for high refresh rate panels. The infinite contrast ratio on the 7 Ultimate suggests a superior OLED panel, delivering deeper blacks and more vibrant colors. The 6D’s display is still excellent, but the 7 Ultimate’s brightness and contrast provide a more immersive visual experience, especially in bright outdoor conditions.

Camera Comparison

Both phones are listed as having 'Photo / Video' capabilities, but detailed camera specs are absent. Given Asus’s history with ROG phones, we can expect competent camera systems focused on versatility rather than outright photographic excellence. The ROG Phone 7 Ultimate likely benefits from Qualcomm’s improved image signal processor (ISP) within the Snapdragon 8 Gen 2, potentially resulting in better image processing and low-light performance. Without specific sensor details, it’s difficult to make a definitive judgment, but the 7 Ultimate’s chipset advantage suggests a slight edge in camera quality.

Performance

The core difference lies in the chipset: the ROG Phone 7 Ultimate features the Qualcomm Snapdragon 8 Gen 2 (4nm) versus the ROG Phone 6D’s Mediatek Dimensity 9000+ (4nm). The Snapdragon 8 Gen 2’s Cortex-X3 prime core, clocked at 3.2 GHz, offers a performance advantage over the 6D’s Cortex-X2. Furthermore, the Snapdragon 8 Gen 2’s architecture is optimized for efficiency, potentially leading to better thermal management and sustained performance. While both use 4nm fabrication, Qualcomm’s advancements in process technology and core design translate to a tangible performance boost in demanding games and applications. The 7 Ultimate’s CPU configuration (1x3.2GHz, 2x2.8GHz, 2x2.8GHz, 3x2.0GHz) is more balanced than the 6D’s (1x3.35GHz, 3x2.85GHz, 4x1.80GHz).

Battery Life

Both devices share an endurance rating of 131 hours, suggesting similar real-world battery life despite the different chipsets. The ROG Phone 7 Ultimate boasts faster charging – 65W with QC5, achieving 100% in 42 minutes – compared to the 6D’s 65W with PD3.0. While both offer 10W reverse wired charging, the 7 Ultimate’s faster charging speed is a significant convenience factor for gamers who need to quickly top up their battery between sessions. The efficiency gains of the Snapdragon 8 Gen 2 may offset the power draw of the brighter display, maintaining comparable battery life despite the increased performance.

Buying Guide

Buy the Asus ROG Phone 6D if you prioritize value and already own ROG accessories. It’s an excellent option for gamers who want a high-performance device without breaking the bank, and the Dimensity 9000+ still delivers a fantastic experience. Buy the Asus ROG Phone 7 Ultimate if you demand the absolute best performance, plan on pushing your phone to its limits with demanding games, and want the latest and greatest in mobile gaming technology. The Snapdragon 8 Gen 2 ensures longevity and a smoother experience.

Frequently Asked Questions

❓ Does the Snapdragon 8 Gen 2 in the ROG Phone 7 Ultimate significantly reduce thermal throttling during extended gaming sessions?
Yes, the Snapdragon 8 Gen 2’s improved 4nm process and architectural optimizations result in better thermal efficiency compared to the Dimensity 9000+ in the ROG Phone 6D. This translates to less throttling and more sustained peak performance during long gaming sessions, allowing for higher frame rates and smoother gameplay.
❓ Is the faster charging speed of the ROG Phone 7 Ultimate a game-changer for competitive gamers?
For competitive gamers, the 42-minute 0-100% charge time with QC5 is a significant advantage. It allows for quicker top-ups between matches, minimizing downtime and ensuring you’re always ready to play. While the 6D’s 65W charging is still fast, the 7 Ultimate’s speed provides a noticeable convenience boost.
❓ Will I notice a substantial difference in everyday tasks and app loading times between the two phones?
While both phones are incredibly fast, the Snapdragon 8 Gen 2 in the ROG Phone 7 Ultimate will offer a slightly snappier experience in everyday tasks and app loading times. The CPU and GPU improvements contribute to a more responsive and fluid user interface.