Samsung Galaxy S23 Ultra S918U Phathom Black 256GB

★★★★★ 5.0 (5)

The 200MP main camera with dual 10x optical zoom and the bright 1750-nit Dynamic AMOLED 2X display set this device apart for photography. Its Snapdragon 8 Gen 2 chip and 5000mAh battery deliver strong performance and endurance in a pre-owned package backed by a 90-day warranty. This phone is best for mobile photographers who want a versatile quad-camera system and S Pen functionality without paying full retail price.

Screen 6.8"
Display AMOLED
Refresh 120 Hz
Chip Snapdragon 8 Gen 2
RAM 8 GB
Storage 256 GB
Camera 200 MP
front camera mp 12
Samsung Galaxy S23 Ultra S918U Phathom Black 256GB cellphone
67 Overall Score

No current retailer price

Snapshot

Pros & Cons

Pros

  • Strong camera (92nd percentile) 92nd
  • Strong build (90th percentile) 90th
  • Strong display (89th percentile) 89th
  • Strong performance (80th percentile) 80th

Cons

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has improved over time
75/100Our AI sentiment readlow confidence · 9 sources · Oct 2026
1★2★3★4★5★Q2 '26: 4.0★ · 2 reviews (approx. date)Q4 '26: 5.0★ · 5 reviews (approx. date)25Q2 '26Q4 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviewsEstimated date

Based on 7 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Build 89.6
Camera 91.9
Battery 64.3
Display 88.8
Feature 50.8
User Sentiment 45
Performance 79.9
Connectivity 49.7
Social Proof 76.9

Specifications

Full Specifications

Display

Screen Size 6.8"
Display Type AMOLED
Resolution 1440 x 3088
Refresh Rate 120 Hz
Brightness 1750 nits
HDR Yes

Performance

Processor Qualcomm SM8550-AC Snapdragon 8 Gen 2
Processor Model Snapdragon 8 Gen 2
CPU Cores 8
RAM 8 MB
Storage 256 GB

Camera

Main Camera 200
Camera Count 4
Ultrawide 12
Telephoto 10
Front Camera 12
Optical Zoom 3x, 10x

Battery & Charging

Battery 5000 Wh
Connector USB-C

Connectivity

5G Yes
NFC No
USB USB-C
SIM Nano SIM, eSIM
eSIM Yes

Design & Build

Water Resistance IP68
Form Factor bar
Weight 0.2 kg / 0.5 lbs
Face Recognition Yes
OS Android
Headphone Jack No

vs Competition

Spec Samsung Galaxy S23 Ultra S918U Motorola Razr ultra 2025 Google Pixel 10 Pro Apple iPhone 17 OnePlus 15 15 Xiaomi 14 Ultra
Screen Size 6.8 7.0 6.3 6.3 6.8 6.7
Display Type AMOLED OLED OLED Super Retina XDR AMOLED LTPO AMOLED
Refresh Rate 120 165 120 120 120 120
Processor Snapdragon 8 Gen 2 Snapdragon 8 Elite Google Tensor G5 A19 Snapdragon 8 Elite Gen 5 Snapdragon 8 Gen 3
RAM (GB) 8 16 16 8 16 16
Storage (GB) 256 512 128 256 512 512
Rear Camera Mp 200 50 50 48 50 50
Front Camera Mp 12 50 42 18 32 32
Battery Capacity Mah 5000 4700 4870 3692 7300 5000
Charging Wattage - 68 30 30 80 90
Wireless Charging - true true true true true
Five (g) true true true true true true
Water Resistance IP68 IP48 IP68 IP68 IP69K IP68
Operating System Android Android Android iOS Android Android
Compare Compare Compare Compare Compare
Product BuildCameraBatteryDisplayFeatureUser SentimentPerformanceConnectivitySocial Proof
Samsung Galaxy S23 Ultra S918U 89.691.964.388.850.84579.949.776.9
Motorola Razr ultra 2025 Compare 58.279.795.39892.792.898.882.790.9
Google Pixel 10 Pro Compare 89.696.88588.871.862.48998.895
Apple iPhone 17 Compare 98.277.657.293.788.4087.298.898.9
OnePlus 15 15 Compare 98.896.899.278.442.97298.882.798.9
Xiaomi 14 Ultra Compare 78.499.197.899.556.509898.872.2

Usage Scores

Overall (67.3)Budget (70.9)Gaming (69.5)Rugged (66.8)Portability (49.6)Business (54.8)Flagship (67.1)Foldable (73.7)Photography (72.6)Battery Life (66.1)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Other Configurations7

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