When should I choose Samsung Galaxy S3?

Users who prefer a slightly smaller 4.8-inch display footprint. Those satisfied with standard 720p HD visual resolution and basic sensor capabilities. Anyone looking for a classic, smooth pebble-inspired polycarbonate design.

When should I choose Samsung Galaxy S4?

Users seeking a sharper 5.0-inch 1080p Full HD display with high 441 ppi pixel density. Those needing stronger multitasking and processing via standard 2 GB LPDDR3 RAM and faster chipsets. Mobile photographers wanting a higher-resolution 13 MP primary camera with advanced modes like Dual Shot. Users who benefit from an expanded sensor array including an IR blaster, temperature, humidity, and touchless gesture sensors. Those who require longer battery endurance from a 2,600 mAh battery with optional Qi wireless charging support. Users prioritizing a slimmer 7.9 mm and lighter 130 g chassis with narrower bezels.

What are the advantages of Samsung Galaxy S3 over Samsung Galaxy S4?

The Samsung Galaxy S3 features a 4.8-inch HD Super AMOLED display with a 720p resolution and a pixel density of 306 ppi.. The Samsung Galaxy S3 includes a 2,100 mAh removable lithium-ion battery with standard micro-USB charging.. The Samsung Galaxy S3 introduced TouchWiz Nature UX on Android 4.0.4 with Smart Stay eye-tracking, S Voice, and a 5-sensor baseline including an accelerometer, gyroscope, proximity sensor, digital compass, and barometer.. The Samsung Galaxy S3 features an 8 MP rear camera sensor and a 1.9 MP front-facing camera supporting Burst Shot and HDR capture.. The Samsung Galaxy S3 is housed in a smooth, pebble-inspired polycarbonate body measuring 136.6 x 70.6 x 8.6 mm and weighing 133 grams..

What are the advantages of Samsung Galaxy S4 over Samsung Galaxy S3?

The Samsung Galaxy S4 features a 5.0-inch Full HD Super AMOLED screen with 1080p resolution and a high pixel density of 441 ppi.. The Samsung Galaxy S4 delivers upgraded performance with an octa-core Exynos 5 Octa 5410 or 1.9 GHz quad-core Snapdragon 600 processor paired with standard 2 GB LPDDR3 RAM.. The Samsung Galaxy S4 features an upgraded 13 MP rear camera and 2 MP front camera with creative shooting modes including Dual Shot, Sound & Shot, and Drama Shot.. The Samsung Galaxy S4 includes an expanded interaction suite with a built-in infrared blaster, dedicated temperature and humidity sensors, and touchless Air View and Air Gesture controls.. The Samsung Galaxy S4 offers a larger 2,600 mAh removable battery with support for optional Qi wireless charging accessories.. The Samsung Galaxy S4 houses its larger 5.0-inch screen in a slimmer, lighter 136.6 x 69.8 x 7.9 mm chassis weighing 130 grams..

AI comparison report

Samsung Galaxy S3 vs Samsung Galaxy S4

By CompareAI Editorial Team · Published 2026-08-27 · How we compare

The Samsung Galaxy S4 is the superior device over the Samsung Galaxy S3, delivering a sharper 1080p display, upgraded 13 MP camera, faster processing hardware,…

Who wins: Samsung Galaxy S3 or Samsung Galaxy S4?

Samsung Galaxy S4 is the definitive first choice between the two devices, outperforming the Samsung Galaxy S3 across display sharpness, processing power, camera resolution, battery capacity, ergonomics, and sensor functionality.

Based on our analysis across 6 dimensions with 20 sources, Samsung Galaxy S3 scores 6.6/10 overall while Samsung Galaxy S4 scores 8.8/10 overall.

Dimension	Samsung Galaxy S3	Samsung Galaxy S4
Display Size and Sharpness	6.5/10	9/10
Processing Power and Memory	6/10	8.5/10
Camera System and Shooting Modes	6.5/10	9/10
Sensors and TouchWiz Feature Suite	6.8/10	8.7/10
Battery Capacity and Power Options	6.5/10	8.5/10
Design, Ergonomics, and Build	7.5/10	9/10
Overall	6.6/10	8.8/10

Should I choose Samsung Galaxy S3 or Samsung Galaxy S4?

Verdict: Samsung Galaxy S4 is the definitive first choice between the two devices, outperforming the Samsung Galaxy S3 across display sharpness, processing power, camera resolution, battery capacity, ergonomics, and sensor functionality.

The Samsung Galaxy S4 is the superior device over the Samsung Galaxy S3, delivering a sharper 1080p display, upgraded 13 MP camera, faster processing hardware, and a larger battery in a slimmer chassis.

The Samsung Galaxy S4 decisively improves upon the Samsung Galaxy S3 across every validated category. It upgrades the screen from a 4.8-inch 720p panel at 306 ppi to a larger, much sharper 5.0-inch 1080p Full HD Super AMOLED display at 441 ppi. Internally, it replaces the older Exynos 4 Quad/Snapdragon S4 chips and 1 GB or 2 GB RAM configurations with a 1.9 GHz quad-core Snapdragon 600 or octa-core Exynos 5 Octa processor alongside standard 2 GB LPDDR3 RAM. The camera jumps from 8 MP to 13 MP with creative features like Dual Shot and Sound & Shot. Furthermore, battery capacity expands by nearly 24% from 2,100 mAh to 2,600 mAh with added Qi wireless charging support, and the sensor suite adds an IR blaster, temperature, humidity, and Air Gesture hover sensors. Remarkably, the Samsung Galaxy S4 packs all these enhancements into a more compact 7.9 mm, 130 g chassis compared to the Samsung Galaxy S3's 8.6 mm thickness and 133 g weight.

Best for Samsung Galaxy S3

Users who prefer a slightly smaller 4.8-inch display footprint
Those satisfied with standard 720p HD visual resolution and basic sensor capabilities
Anyone looking for a classic, smooth pebble-inspired polycarbonate design

Best for Samsung Galaxy S4

Users seeking a sharper 5.0-inch 1080p Full HD display with high 441 ppi pixel density
Those needing stronger multitasking and processing via standard 2 GB LPDDR3 RAM and faster chipsets
Mobile photographers wanting a higher-resolution 13 MP primary camera with advanced modes like Dual Shot
Users who benefit from an expanded sensor array including an IR blaster, temperature, humidity, and touchless gesture sensors
Those who require longer battery endurance from a 2,600 mAh battery with optional Qi wireless charging support
Users prioritizing a slimmer 7.9 mm and lighter 130 g chassis with narrower bezels

When not to compare directly

Do not compare them directly if evaluating modern smartphone standards, as both are legacy 3G/early-4G Android devices from consecutive generations intended for historical comparison or retro hardware evaluation.

What are the key differences between Samsung Galaxy S3 and Samsung Galaxy S4?

Display Size and Sharpness

The Samsung Galaxy S4 delivers superior visual clarity and immersion over the Samsung Galaxy S3 with its larger 5.0-inch 1080p Full HD screen boasting 441 ppi compared to the S3's 4.8-inch 720p display at 306 ppi.
Samsung Galaxy S3: The Samsung Galaxy S3 features a 4.8-inch HD Super AMOLED display with a 720p resolution and a pixel density of 306 ppi.
Samsung Galaxy S4: The Samsung Galaxy S4 features a 5.0-inch Full HD Super AMOLED screen with a 1080p resolution and a significantly higher pixel density of 441 ppi.
Scores — Samsung Galaxy S3: 6.5/10, Samsung Galaxy S4: 9/10
Display resolution and pixel density directly influence visual clarity, text readability, and multimedia immersion.
Sources: Samsung Galaxy S4 - Full Specifications, Features & Specs WhatMyDevice, Samsung Galaxy S III
Processing Power and Memory

The Samsung Galaxy S4 significantly outperforms the Samsung Galaxy S3 by advancing from older Exynos 4 Quad/Snapdragon S4 chips and 1 GB to 2 GB RAM options to standard 2 GB LPDDR3 RAM with faster 1.9 GHz Snapdragon 600 or octa-core Exynos 5 Octa processors [7, 18].
Samsung Galaxy S3: The Samsung Galaxy S3 features either a 1.4 GHz quad-core Samsung Exynos 4 Quad processor or a 1.5 GHz dual-core Qualcomm Snapdragon S4 chip paired with 1 GB or 2 GB of RAM [7, 18].
Samsung Galaxy S4: The Samsung Galaxy S4 delivers upgraded performance with an octa-core Exynos 5 Octa 5410 (1.6 GHz Cortex-A15 & 1.2 GHz Cortex-A7) or a 1.9 GHz quad-core Snapdragon 600 SoC alongside standard 2 GB LPDDR3 RAM [6, 18].
Scores — Samsung Galaxy S3: 6/10, Samsung Galaxy S4: 8.5/10
Processor architecture and RAM capacity determine multitasking capability, UI responsiveness, and gaming performance.
Sources: Samsung Galaxy S III, Samsung Galaxy S4 - Wikipedia
Camera System and Shooting Modes

The Samsung Galaxy S4 upgrades its rear camera resolution to 13 MP and adds creative shooting modes like Dual Shot and Sound & Shot, compared to the Samsung Galaxy S3's 8 MP primary camera with standard shooting modes.
Samsung Galaxy S3: The Samsung Galaxy S3 features an 8 MP rear camera sensor with a 1.9 MP front-facing camera, offering standard shooting modes like Burst Shot and HDR capture.
Samsung Galaxy S4: The Samsung Galaxy S4 upgrades to a 13 MP rear camera sensor and a 2 MP front camera, introducing advanced shooting modes such as Dual Shot, Sound & Shot, and Drama Shot.
Scores — Samsung Galaxy S3: 6.5/10, Samsung Galaxy S4: 9/10
Sensor resolution and camera software features dictate photographic detail, low-light performance, and creative capture flexibility.
Sources: Samsung Galaxy S4 - Full Specifications, Features & Specs WhatMyDevice, Galaxy S4 32GB (Verizon)
Sensors and TouchWiz Feature Suite

While the Samsung Galaxy S3 relied on 5 core sensors with standard Smart Stay gestures, the Samsung Galaxy S4 added 4 major interaction hardware features—an infrared blaster, temperature sensor, humidity sensor, and a specialized gesture/hover sensor for touchless Air View and Air Gesture controls.
Samsung Galaxy S3: The Samsung Galaxy S3 introduced Samsung's human-centric TouchWiz Nature UX on Android 4.0.4, featuring software interactions like Smart Stay eye-tracking and S Voice, supported by a standard 5-sensor baseline consisting of an accelerometer, gyroscope, proximity sensor, digital compass, and barometer [7, 15].
Samsung Galaxy S4: The Samsung Galaxy S4 significantly expanded the interaction suite by adding dedicated temperature and humidity sensors, a built-in infrared blaster for TV control, and contactless gestures via Air View and Air Gesture across its 5-inch display [2, 18].
Scores — Samsung Galaxy S3: 6.8/10, Samsung Galaxy S4: 8.7/10
Unique sensors and interaction software define user convenience, environmental awareness, and distinct brand differentiation.
Sources: Samsung Galaxy S4 - Full Specifications, Features & Specs WhatMyDevice, Samsung Galaxy S III
Battery Capacity and Power Options

The Samsung Galaxy S4 provides superior uptime and charging flexibility with its larger 2,600 mAh removable battery and Qi wireless charging support compared to the 2,100 mAh battery on the Samsung Galaxy S3 [1, 2].
Samsung Galaxy S3: The Samsung Galaxy S3 features a 2,100 mAh removable lithium-ion battery, providing standard micro-USB wired charging for power management [1, 5].
Samsung Galaxy S4: The Samsung Galaxy S4 expands capacity with a larger 2,600 mAh removable battery while offering enhanced versatility through optional Qi wireless charging accessories alongside standard wired charging [2, 6].
Scores — Samsung Galaxy S3: 6.5/10, Samsung Galaxy S4: 8.5/10
Battery capacity and charging versatility determine daily uptime and user flexibility for power management.
Sources: 三星 I939 GALAXY SIII, Samsung Galaxy S4 - Full Specifications, Features & Specs WhatMyDevice
Design, Ergonomics, and Build

The Samsung Galaxy S4 delivers superior ergonomics and screen-to-body efficiency by slimming the chassis down to 7.9 mm and 130 grams while accommodating a larger 5.0-inch screen, compared to the 8.6 mm thickness, 133-gram weight, and 4.8-inch display of the Samsung Galaxy S3.
Samsung Galaxy S3: The Samsung Galaxy S3 introduced a smooth, pebble-inspired glossy polycarbonate body measuring 136.6 x 70.6 x 8.6 mm and weighing 133 grams to house its 4.8-inch display.
Samsung Galaxy S4: The Samsung Galaxy S4 refined the ergonomic formula by fitting a larger 5.0-inch display into a slimmer, lighter 136.6 x 69.8 x 7.9 mm chassis weighing 130 grams with a subtle textured polycarbonate finish.
Scores — Samsung Galaxy S3: 7.5/10, Samsung Galaxy S4: 9/10
Chassis dimensions, weight, and bezel size affect one-handed usability and aesthetic appeal.
Sources: Samsung Galaxy S III, Samsung Galaxy S4 - Wikipedia

What are the pros and cons of Samsung Galaxy S3 vs Samsung Galaxy S4?