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2026 comparison
Updated Jan 27, 2026
|Sources: Amazon, Manufacturer

Samsung Galaxy S23 Ultra vs ASUS ROG Phone 8 Pro

The Samsung Galaxy S23 Ultra is the premium flagship option here, boasting a stunning 200MP camera that delivers unmatched photography capabilities. In real-world use, the Samsung Galaxy S23 Ultra's camera excels with its 10x optical zoom, making it perfect for photography enthusiasts. However, the ASUS ROG Phone 8 Pro shines with its 65W wired charging, getting you back in action quickly after a gaming marathon. What's the better buy? Let's dive into the details. Key specs: Display: 6.8" vs 6.78" and Refresh: 120 Hz vs 165 Hz.

Why compare these? Both the Samsung Galaxy S23 Ultra and ASUS ROG Phone 8 Pro are premium flagship smartphones competing in the same market segment. This makes them direct rivals for buyers looking for premium flagship features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.

📱 Display: 6.8" vs 6.78"⚡ Refresh: 120 Hz vs 165 Hz🔋 Battery: 5000 mAh vs 5500 mAh

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Key Differences at a Glance

AspectSamsung GalaxyASUS ROG
User Rating4.4★ (1,341 reviews)4.7★ (63 reviews)
Top StrengthClass-leading 200MP main camera and versatile 10x optical zoomFirst ROG phone with IP68 water/dust resistance and telephoto lens
Main DrawbackSlow charging speed (45W) compared to competitorsSoftware support (2 OS updates) lags behind Samsung/Google flagships
Market PositionFlagshipFlagship
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

4.4
(1,341)Amazon
Operating System

Android

Software Support

4 generations of OS upgrades; 5 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 2 for Galaxy

Graphics

Qualcomm Adreno 740

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ASUS ROG Phone 8 Pro

ASUS ROG Phone 8 Pro

4.7
(63)Best Buy
Operating System

Android

Software Support

2 major OS updates and 4 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 3 (SM8650)

Graphics

Adreno 750

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display2 specs
Display SizeKey
Samsung Galaxy S23 Ultra
6.8" (measured diagonally; actual viewable area is less)
Winner
ASUS ROG Phone 8 Pro
6.78"
Refresh Rate
Samsung Galaxy S23 Ultra
1–120Hz (Adaptive)
ASUS ROG Phone 8 Pro
1Hz–120Hz (Adaptive); 165Hz (Gaming mode)
Winner
Performance3 specs
ProcessorKey
Samsung Galaxy S23 Ultra
Qualcomm Snapdragon 8 Gen 2 for Galaxy
ASUS ROG Phone 8 Pro
Qualcomm Snapdragon 8 Gen 3 (SM8650)
RAMKey
Samsung Galaxy S23 Ultra
8GB / 12GB LPDDR5X
ASUS ROG Phone 8 Pro
16GB LPDDR5X (Pro Edition: 24GB)
Winner
Storage
Samsung Galaxy S23 Ultra
256GB / 512GB / 1TB (UFS 4.0)
ASUS ROG Phone 8 Pro
512GB UFS 4.0 (Pro Edition: 1TB)
Winner
Camera2 specs
Main CameraKey
Samsung Galaxy S23 Ultra
200MP Wide (f/1.7, 85° FOV), Laser AF, OIS
Winner
ASUS ROG Phone 8 Pro
50MP Sony IMX890, f/1.9, 6-axis Hybrid Gimbal Stabilizer 3.0
Ultra-Wide Camera
Samsung Galaxy S23 Ultra
12MP Ultra-Wide (f/2.2, 120° FOV)
ASUS ROG Phone 8 Pro
13MP, f/2.2, 120-degree FOV, Free-form lens
Battery2 specs
Battery CapacityKey
Samsung Galaxy S23 Ultra
5,000 mAh (Typical)
ASUS ROG Phone 8 Pro
5,500mAh (Dual-cell)
Winner
Wireless Charging
Samsung Galaxy S23 Ultra
Fast Wireless Charging 2.0 (15W); Wireless PowerShare
ASUS ROG Phone 8 Pro
15W Qi 1.3 Wireless Charging
Design2 specs
Weight
Samsung Galaxy S23 Ultra
8.25 oz (234 g)
ASUS ROG Phone 8 Pro
7.94 oz (225 g)
Winner
Dimensions
Samsung Galaxy S23 Ultra
6.43" x 3.07" x 0.35" (163.4 x 78.1 x 8.9 mm)
ASUS ROG Phone 8 Pro
6.45 x 3.02 x 0.35 in (163.8 x 76.8 x 8.9 mm)
Connectivity1 specs
Connectivity
Samsung Galaxy S23 Ultra
5G (Sub6/mmWave); Wi-Fi 6E (802.11ax); Bluetooth 5.3; NFC; UWB
ASUS ROG Phone 8 Pro
5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.4, NFC
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Samsung Galaxy S23 Ultra vs ASUS ROG Phone 8 Pro

Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

4.4(1,341)Amazon
ASUS ROG Phone 8 Pro

ASUS ROG Phone 8 Pro

4.7(63)Best Buy
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

4.4(1,341)Amazon
Operating System

Android

Software Support

4 generations of OS upgrades; 5 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 2 for Galaxy

Graphics

Qualcomm Adreno 740

RAM

8GB / 12GB LPDDR5X

Storage

256GB / 512GB / 1TB (UFS 4.0)

Pros

  • Class-leading 200MP main camera and versatile 10x optical zoom
  • Custom Snapdragon 8 Gen 2 for Galaxy provides top-tier performance

Cons

  • Slow charging speed (45W) compared to competitors
  • Large and heavy (8.25 oz) form factor is difficult for one-handed use
ASUS ROG Phone 8 Pro

ASUS ROG Phone 8 Pro

4.7(63)Best Buy
Operating System

Android

Software Support

2 major OS updates and 4 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 3 (SM8650)

Graphics

Adreno 750

RAM

16GB LPDDR5X (Pro Edition: 24GB)

Storage

512GB UFS 4.0 (Pro Edition: 1TB)

Pros

  • First ROG phone with IP68 water/dust resistance and telephoto lens
  • Incredible performance with advanced thermal management features

Cons

  • Software support (2 OS updates) lags behind Samsung/Google flagships
  • Battery capacity reduced (5,500mAh) compared to previous generation (6,000mAh)

Which one is better?

The Samsung Galaxy S23 Ultra is the better buy for most people - its 200MP camera crushes the ASUS ROG Phone 8 Pro's 50MP option.

Who should buy each?

Choose the Samsung Galaxy S23 Ultra if: you shoot a lot of photos, need a powerful camera for social media, or want a premium design with an S Pen. (6.8" display, 120 Hz refresh)
Choose the ASUS ROG Phone 8 Pro if: you play games often, want a stunning display for fast-paced action, or need a longer battery life to last through gaming sessions. (6.78" display, 165 Hz refresh)

B

Quality Seekers

Higher user rating (4.7★ vs 4.4★) indicates better overall satisfaction

→ Choose ASUS ROG

A

Safe Choice Buyers

More widely tested with 1,341 reviews vs 63

→ Choose Samsung Galaxy

A

Class-leading 200MP main Priority

Class-leading 200MP main camera and versatile 10x optical zoom

→ Choose Samsung Galaxy

B

First ROG phone Priority

First ROG phone with IP68 water/dust resistance and telephoto lens

→ Choose ASUS ROG

Conclusion

With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.

Bottom line: The ASUS ROG Phone 8 Pro leads with a 4.7★ rating versus 4.4★. That said, Samsung Galaxy S23 Ultra could still be the right pick depending on your specific priorities.

Frequently Asked Questions

+Which is better: Samsung Galaxy S23 Ultra or ASUS ROG Phone 8 Pro?

Samsung Galaxy S23 Ultra is the better choice if you prioritize class-leading 200mp main camera and versatile 10x optical zoom. ASUS ROG Phone 8 Pro wins if you value first rog phone with ip68 water/dust resistance and telephoto lens. Both are rated highly (4.4★ vs 4.7★), so consider your specific needs and budget.

+What are the main differences between Samsung Galaxy S23 Ultra and ASUS ROG Phone 8 Pro?

Key differences: Samsung Galaxy S23 Ultra offers class-leading 200mp main camera and versatile 10x optical zoom, while ASUS ROG Phone 8 Pro stands out with first rog phone with ip68 water/dust resistance and telephoto lens. Consider that Samsung Galaxy S23 Ultra slow charging speed (45w) compared to competitors. Meanwhile, ASUS ROG Phone 8 Pro software support (2 os updates) lags behind samsung/google flagships. Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

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