Samsung Galaxy S25 vs Samsung Galaxy S23 Ultra

Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score

The Samsung Galaxy S25 and Samsung Galaxy S23 Ultra are closely matched at 71 and 70/100. The Samsung Galaxy S25 edges ahead on Chip and Memory, while the Samsung Galaxy S23 Ultra leads on Storage and Display — pick the one whose strengths match what you'll actually use.

Verdict

Our overall take, at a glance

Samsung Galaxy S25 and Samsung Galaxy S23 Ultra are closely matched

Samsung Galaxy S25

Samsung Galaxy S23 Ultra

Where Samsung Galaxy S25 stands out

Benchmark Geekbench multi-core score: 10,050 (98% more)
Benchmark Antutu score: 2,193,701 (77% more)
Benchmark Geekbench single-core score: 3,175 (66% more)

Where Samsung Galaxy S23 Ultra stands out

Storage capacity: 256 GB (100% more)
Rear camera (megapixels): 200 MP (300% more)
Rear Camera Optical zoom: 10 (233% more)

Winner by category for Samsung Galaxy S25 vs Samsung Galaxy S23 Ultra
Category	Samsung Galaxy S25	Samsung Galaxy S23 Ultra	Winner
Chip	83	78	Samsung Galaxy S25
Memory	74	60	Samsung Galaxy S25
Storage	35	55	Samsung Galaxy S23 Ultra
Display	61	76	Samsung Galaxy S23 Ultra
Rear Camera	63	84	Samsung Galaxy S23 Ultra
Front Camera	61	61	Tie
Cellular	84	84	Tie
Connectivity	75	66	Samsung Galaxy S25
Sensors	85	85	Tie
Design & Weight	75	37	Samsung Galaxy S25
Power & Battery	63	77	Samsung Galaxy S23 Ultra
Benchmark	88	51	Samsung Galaxy S25
Miscellaneous	66	65	Tie
Security	85	85	Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.

Samsung Galaxy S25

The Samsung Galaxy S25 is a premium compact smartphone designed for users who want flagship-level performance in a pocket-friendly form factor. Built with the powerful Snapdragon 8 Elite For Galaxy processor and 12 GB of RAM, it delivers top-tier processing speeds within a highly lightweight 162-gram frame. It also features a bright 6.2-inch Dynamic LTPO AMOLED 2X display that supports variable refresh rates up to 120 Hz.

Best for One-handed phone usage and lightweight daily carryingBest for Outdoor mobile viewing under direct, bright sunlightBest for High-performance mobile gaming on a compact display panel

Pros

High-end processing performance driven by the custom Snapdragon 8 Elite For Galaxy chipset
Highly portable, slim design measuring just 7.2 mm in thickness and weighing only 162 grams
Dynamic LTPO display with a high peak brightness of 2,600 nits for strong outdoor visibility
Generous 12 GB of RAM across all configurations to support efficient multitasking

Cons

Wired charging speeds are limited to 25W, which is slower than the 45W capability of the S25+ and Ultra
Lacks Ultra-wideband (UWB) connectivity, which is reserved for the larger and more expensive models in the lineup
The entry-level storage option starts at 128 GB, whereas the step-up models start at 256 GB

Samsung Galaxy S23 Ultra

The Samsung Galaxy S23 Ultra is an S-Series flagship smartphone from Samsung Electronics, released in February 2023. It features improvements over previous models and includes support for a bundled stylus (1).

Best for photographyBest for productivityBest for flagship users

Pros

Features a high-resolution main camera of 200 megapixels, which allows for better low-light photos and cropping without loss of resolution (4).
Supports pressure sensitive stylus use, and the stylus tucks into the phone (2).
Has an IP68 rating for water and dust protection (2).
Includes multiple telephoto lenses: 3x, ultra-wide, and a 10x optical telephoto lens (4).

Cons

The camera array design has visible rings that may collect dust (3).
The performance of the 10x zoom varies, and close-up images or videos might not be as sharp as anticipated (4).

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Samsung Galaxy S25

Check Price on Amazon

Samsung Galaxy S23 Ultra

Check Price on Amazon

Performance

Higher benchmark score = faster

Samsung Galaxy S252,193,701

Samsung Galaxy S23 Ultra1,241,531

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Battery capacity

Larger cell — a hardware spec, not battery life

Samsung Galaxy S254,000 mAh

Samsung Galaxy S23 Ultra5,000 mAh

Capacity is the raw battery size. Real-world battery life depends just as much on the processor, software and display.

Physical Comparison

Weigh them up, then compare real dimensions in 3D

Samsung Galaxy S25Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra is 72 g (44%) heavier than Samsung Galaxy S25.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Chip

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Model

Memory

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
RAM capacity	12 GB50% more	8 GB
Memory technology

Storage

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Storage capacity	128 GB	256 GB100% more
Is expandable	No	No

Display

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Size	6.2 in	6.8 in10% more
Resolution	1080 × 2340 px	1440 × 3088 px
Pixel density	416 PPI	500 PPI20% more
Refresh rate	120 Hz	120 Hz
Display technology
Protection
Has pen support	No	Yes
Screen-to-body ratio	91%	90%

Rear Camera

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Rear camera (megapixels)	50 MP	200 MP300% more
Rear camera aperture	1.8	1.76% less
Optical zoom	3	10233% more
Has High Dynamic Range (HDR)	Yes	Yes
Has Optical Image Stabilization (OIS)	Yes	Yes
Number of cameras	3	4
Other cameras	10 MP telephoto f/2.4, 12 MP ultrawide f/2.2	10 MP telephoto f/2.4, 10 MP f/4.9, 12 MP ultrawide f/2.2

Front Camera

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Front camera (megapixels)	12 MP	12 MP
Front camera aperture	2.2	2.2

Cellular

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Cellular technology
SIM type
Has dual-sim support	Yes	Yes

Connectivity

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Bluetooth technology
Wi-Fi technology
Connector
Has a headphone jack	No	No

Sensors

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Has a NFC sensor	Yes	Yes
Has an accelerometer sensor	Yes	Yes
Has a gyroscope sensor	Yes	Yes
Has a magnetic field sensor	Yes	Yes
Has an atmospheric pressure sensor	Yes	Yes
Has a GPS sensor	Yes	Yes

Design & Weight

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Color	N/A	N/A
Dimensions	7.05 × 14.69 × 0.72 cm	7.81 × 16.34 × 0.89 cm
Weight	162 g31% less	234 g

Power & Battery

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Battery capacity	4,000 mAh	5,000 mAh25% more
Has wireless charging support	Yes	Yes
Has fast charging support	Yes	Yes

Benchmark

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Antutu score	2,193,70177% more	1,241,531
Geekbench single-core score	3,17566% more	1,913
Geekbench multi-core score	10,05098% more	5,077

Miscellaneous

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Release date	February 3, 2025	February 17, 2023
SAR (Head)	1.13 W/kg	1.12 W/kg
SAR (Body)	0.92 W/kg	0.92 W/kg
Dust & Water resistance
Operating system

Security

Feature	Samsung Galaxy S25	Samsung Galaxy S23 Ultra
Has a fingerprint scanner	Yes	Yes
Has an advanced face scanner	No	No

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Samsung Galaxy S25 vs Samsung Galaxy S23 Ultra comparison

They are closely matched: Samsung Galaxy S25 scores 79/100 and Samsung Galaxy S23 Ultra scores 77/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

Samsung Galaxy S25 and Samsung Galaxy S23 Ultra are compared side by side above across every spec in the smartphones category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 79/100 for Samsung Galaxy S25 and 77/100 for Samsung Galaxy S23 Ultra.

At launch, Samsung Galaxy S25 was the more affordable option ($800) versus Samsung Galaxy S23 Ultra ($1199). Weigh that against the overall scores (79/100 vs 77/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.

It's close — Samsung Galaxy S25 (79/100) and Samsung Galaxy S23 Ultra (77/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.