Samsung Galaxy A54 vs LG K40S: A Detailed Comparison for Smart Buyers

The smartphone market offers a vast spectrum of choices, from budget-friendly options to premium flagships. This comparison pits the Samsung Galaxy A54, a popular mid-range contender, against the LG K40S, a more affordable device. We'll dissect their key specifications to determine which phone delivers the best value for your money, focusing on real-world performance and usability.
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🏆 Quick Verdict

For most users, the Samsung Galaxy A54 is the superior choice. Its significantly more powerful Exynos 1380 chipset, brighter display, and likely superior camera system justify the price difference. However, the LG K40S remains a viable option for those on a very tight budget prioritizing basic functionality.

PHONES
Phone Names LG K40S Samsung Galaxy A54
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 7, 8, 201, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66 - International
5G bands-1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 MbpsHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
 -25, 41, 66, 71 SA/NSA/Sub6/mmWave - USA
Launch
Announced2019, August. Released 2019, September2023, March 15
StatusDiscontinuedAvailable. Released 2023, March 24
Body
Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions156.3 x 73.9 x 8.6 mm (6.15 x 2.91 x 0.34 in)158.2 x 76.7 x 8.2 mm (6.23 x 3.02 x 0.32 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Weight186 g (6.56 oz)202 g (7.13 oz)
 MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditionsIP67 dust/water resistant (up to 1m for 30 min)
Display
Protection-Corning Gorilla Glass 5
Resolution720 x 1520 pixels, 19:9 ratio (~276 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size6.1 inches, 92.9 cm2 (~80.4% screen-to-body ratio)6.4 inches, 100.5 cm2 (~82.9% screen-to-body ratio)
TypeIPS LCDSuper AMOLED, 120Hz, HDR10+, 1000 nits (HBM)
Platform
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (4x2.4 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
ChipsetMediatek MT6762 Helio P22 (12 nm)Exynos 1380 (5 nm)
GPUPowerVR GE8320Mali-G68 MP5
OSAndroid 9.0 (Pie), upgradable to Android 10Android 13, up to 4 major Android upgrades, One UI 7
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal32GB 2GB RAM, 32GB 3GB RAM128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
 eMMC 5.1-
Main Camera
Dual13 MP, f/2.2, 26mm (wide), PDAF 5 MP, (ultrawide)-
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Single-32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Triple-50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.X", 1.12µm 5 MP (macro)
Video1080p@30fps4K@30fps, 1080p@30/60fps, 720p@480fps, gyro-EIS
Selfie camera
Single13 MP, f/2.0, 1/3.1", 1.12µm32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30/60fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.3, A2DP, LE
NFCYes (market/region dependent)Yes (market/region dependent)
PositioningGPS, GLONASSGPS, GLONASS, GALILEO, BDS
RadioNoNo
USBmicroUSB 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximityFingerprint (under display, optical), accelerometer, gyro, compass, barometer (USA only)
 -Virtual proximity sensing
Battery
Charging-25W wired
TypeLi-Po 3500 mAh, non-removable5000 mAh
Misc
ColorsNew Aurora Black, New Moroccan BlueLime, Graphite, Violet, White
ModelsLMX430HM, LM-X430SM-A546V, SM-A546U, SM-A546U1, SM-A546B, SM-A546B/DS, SM-A546E, SM-A546E/DS, SM-A5460, SM-A546M, SM-A546M/DS, SM-A546W
PriceAbout 160 EUR€ 210.00 / $ 119.11 / £ 169.95 / ₹ 28,999
SAR-0.81 W/kg (head)     0.67 W/kg (body)
SAR EU-0.69 W/kg (head)     1.34 W/kg (body)
Tests
Battery life- Endurance rating 119h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.6 LUFS (Good)
Performance- AnTuTu: 506678 (v9) GeekBench: 2703 (v5.1), 2797 (v6) GFXBench: 25fps (ES 3.1 onscreen)

LG K40S

  • Significantly faster processor for smooth performance.
  • Brighter, higher-resolution display for better viewing.
  • Likely superior camera system with OIS.
  • Faster charging speeds.

  • Higher price point.
  • May be larger and heavier than the K40S.

Samsung Galaxy A54

  • More affordable price.
  • Potentially more compact and lightweight.
  • Decent battery life for basic usage.
  • Functional for essential smartphone tasks.

  • Slow processor struggles with demanding apps.
  • Lower-quality display with limited brightness.
  • Inferior camera performance.
  • Slower charging speeds.

Display Comparison

The Samsung Galaxy A54 boasts a significantly brighter display, reaching a measured 980 nits. This is crucial for outdoor visibility, a clear advantage over the LG K40S, whose brightness is not specified but is expected to be considerably lower given its market positioning. While the K40S's display resolution is likely 720p+, the A54's likely 1080p+ resolution will offer sharper images and text. The A54's 'Infinite' contrast ratio (nominal) suggests a Super AMOLED panel, delivering richer blacks and more vibrant colors compared to the K40S's likely IPS LCD.

Camera Comparison

Both devices feature photo and video capabilities, but the Samsung Galaxy A54 is expected to deliver superior image quality. While specific sensor details are missing for both, Samsung typically employs larger sensors and more advanced image processing algorithms in its A-series phones. The A54 likely benefits from Optical Image Stabilization (OIS), reducing blur in photos and videos, a feature unlikely to be found on the K40S. The K40S may include a 2MP macro camera, but these low-resolution sensors generally offer limited practical benefit.

Performance

The performance gap between these two devices is substantial. The Samsung Galaxy A54's Exynos 1380 (5nm) utilizes a more modern architecture – Cortex-A78 and A55 cores – compared to the LG K40S's MediaTek Helio P22 (12nm) and its Cortex-A53 cores. The 5nm fabrication process of the Exynos 1380 translates to better power efficiency and reduced thermal throttling, allowing for sustained performance during demanding tasks. The A54's CPU configuration (4x2.4 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) offers a significant speed boost over the K40S's Octa-core 2.0 GHz Cortex-A53. This difference will be most noticeable in app loading times, multitasking, and gaming.

Battery Life

The Samsung Galaxy A54 achieves an impressive 11:15h active use score and an endurance rating of 119 hours, indicating excellent battery life. While the LG K40S's battery capacity isn't specified, its less powerful chipset and lower screen brightness likely contribute to comparable endurance. However, the A54's 25W wired charging is significantly faster than what the K40S likely offers, allowing for quicker top-ups when needed.

Buying Guide

Buy the LG K40S if you need a functional smartphone for essential tasks like calls, texts, and light social media use, and your budget is under $150. You're willing to compromise on performance and camera quality. Buy the Samsung Galaxy A54 if you prioritize a smooth user experience, capable gaming, a vibrant display for media consumption, and a more versatile camera system, and are willing to spend around $350-$400.

Frequently Asked Questions

❓ Does the Exynos 1380 in the Galaxy A54 tend to overheat during prolonged gaming sessions?
The Exynos 1380, built on a 5nm process, is generally efficient and well-managed in the Galaxy A54. While it can get warm during extended gaming, Samsung's thermal management system typically prevents significant throttling, maintaining a playable frame rate. It's far less prone to overheating than the Helio P22 in the K40S, which would likely struggle with even moderate gaming loads.
❓ Is the 2MP macro camera on the LG K40S actually useful for taking detailed close-up photos?
Generally, 2MP macro cameras on budget phones like the K40S offer limited practical benefit. The low resolution results in images lacking detail and sharpness. While they can capture a close-up perspective, the image quality is often subpar compared to using the main camera with digital zoom.
❓ Can the Samsung Galaxy A54 handle demanding games like PUBG Mobile at high frame rates (90fps)?
Yes, the Galaxy A54 can comfortably run PUBG Mobile at high frame rates (60fps or potentially 90fps depending on settings). The Exynos 1380's GPU is capable of handling the game's graphics without significant frame drops, providing a smooth and immersive gaming experience. The K40S would struggle to maintain a stable frame rate even at lower settings.