Posh Micro X S240 vs. Samsung Galaxy S23 Ultra: A Tale of Two Androids

The smartphone market is segmented, and few devices represent that divide more starkly than the Posh Micro X S240 and the Samsung Galaxy S23 Ultra. One aims for extreme value, the other for uncompromising performance. This comparison dissects the core differences, revealing where each phone excels and who will benefit most from its strengths.
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🏆 Quick Verdict

For the average user prioritizing a smooth, feature-rich experience and exceptional camera capabilities, the Samsung Galaxy S23 Ultra is the clear winner. However, the Posh Micro X S240 offers a functional Android experience at a fraction of the cost, making it ideal for basic communication and light tasks.

PHONES
Phone Names Posh Micro X S240 Samsung Galaxy S23 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 1700(AWS) / 1900 - S240AHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands-1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
5G bands-1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA 21.1/5.76 MbpsHSPA, LTE (up to 7CA), 5G
TechnologyGSM / HSPAGSM / CDMA / HSPA / EVDO / LTE / 5G
 HSDPA 850 / 1900 / 2100 - S240B1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
Launch
Announced2015, July. Released 2015, July2023, February 01
StatusDiscontinuedAvailable. Released 2023, February 17
Body
Build-Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Dimensions89.8 x 47.8 x 11.7 mm (3.54 x 1.88 x 0.46 in)163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
SIMMini-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight52.7 g (1.87 oz)234 g (8.25 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus (Bluetooth integration, accelerometer, gyro)
Display
Protection-Corning Gorilla Glass Victus 2
Resolution240 x 432 pixels (~202 ppi density)1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
Size2.45 inches, 16.4 cm2 (~38.3% screen-to-body ratio)6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
TypeTFT, 256K colorsDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
 -Always-on display
Platform
CPUDual-core 1.0 GHz Cortex-A7Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetMediatek MT6572 (28 nm)Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
GPUMali-400Adreno 740
OSAndroid 4.4.2 (KitKat)Android 13, up to 4 major Android upgrades, One UI 8
Memory
Card slotmicroSDHC (dedicated slot)No
Internal4GB 512MB RAM256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 -UFS 4.0
Main Camera
FeaturesPanoramaLaser AF, LED flash, auto-HDR, panorama
Quad-200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Single2 MP12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF
Video720p@30fps8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
Features-HDR, HDR10+
Single1 MP12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video-4K@30/60fps, 1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 -32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth4.0, A2DP, EDR5.3, A2DP, LE
NFCNoYes
PositioningGPSGPS, GALILEO, GLONASS, BDS, QZSS
RadioFM radioNo
USBmicroUSB 2.0USB Type-C 3.2, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspotWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Features
SensorsAccelerometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 -Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging-45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless
Stand-byUp to 200 h (2G) / Up to 180 h (3G)-
Talk timeUp to 7 h (2G) / Up to 4 h (3G)-
TypeLi-Po 650 mAh, removableLi-Ion 5000 mAh
Misc
ColorsBlack, White, Blue, PinkPhantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition
Models-SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS
Price-€ 549.90 / $ 454.99 / £ 433.00
SAR-1.12 W/kg (head)     0.92 W/kg (body)
SAR EU-0.96 W/kg (head)     1.40 W/kg (body)
Tests
Battery life- Endurance rating 126h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -25.6 LUFS (Very good)
Performance- AnTuTu: 1241531 (v9) GeekBench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen)

Posh Micro X S240

  • Extremely affordable price
  • Functional Android experience
  • Lightweight and portable

  • Poor performance for demanding tasks
  • Low-quality camera
  • Limited software support

Samsung Galaxy S23 Ultra

  • Exceptional performance with Snapdragon 8 Gen 2
  • High-quality camera system
  • Long battery life and fast charging

  • High price point
  • Large and heavy design
  • Potential for software bloat

Display Comparison

The Samsung Galaxy S23 Ultra boasts a significantly more advanced display, reaching a measured peak brightness of 1274 nits. While the Posh Micro X S240’s display specifications are unavailable, it’s reasonable to assume a considerably lower brightness and likely lacks features like LTPO for adaptive refresh rates found in the S23 Ultra. The S23 Ultra’s ‘Infinite’ contrast ratio, while a marketing term, points to superior black levels and overall image quality. The S23 Ultra’s display is geared towards content consumption and outdoor visibility, while the Posh Micro X S240’s will likely be adequate for basic use.

Camera Comparison

Both devices offer photo and video capabilities, but the implementation differs drastically. The Samsung Galaxy S23 Ultra’s camera system, while details are limited in the provided data, is known for its advanced features and image processing. The Posh Micro X S240’s camera is likely a basic sensor intended for casual snapshots. The S23 Ultra’s superior image signal processor (ISP) and likely larger sensor size will result in significantly better image quality, especially in low-light conditions. The S23 Ultra’s OIS (Optical Image Stabilization) will also provide sharper images and smoother video recording.

Performance

The performance gap is immense. The Samsung Galaxy S23 Ultra’s Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4nm) is a flagship chipset featuring an octa-core CPU with a Cortex-X3 prime core clocked at 3.36 GHz. This contrasts sharply with the Posh Micro X S240’s Mediatek MT6572 (28nm) dual-core 1.0 GHz Cortex-A7. The 4nm fabrication process of the Snapdragon offers vastly superior power efficiency and thermal management, allowing for sustained peak performance. The S23 Ultra will handle demanding games and multitasking with ease, while the Posh Micro X S240 will struggle with anything beyond basic apps. The S23 Ultra’s LPDDR5x RAM further enhances performance, a feature likely absent in the Posh Micro X S240.

Battery Life

The Samsung Galaxy S23 Ultra delivers an impressive endurance rating of 126 hours and 13:24 hours of active use. It supports 45W wired charging with PD3.0, achieving 65% charge in 30 minutes, alongside 15W wireless and 4.5W reverse wireless charging. The Posh Micro X S240’s battery capacity and charging specifications are unknown, but given its lower price point, it’s reasonable to expect a smaller battery and slower charging speeds. The S23 Ultra’s fast charging and efficient chipset contribute to a more convenient and reliable battery experience.

Buying Guide

Buy the Posh Micro X S240 if you need a reliable, affordable smartphone for essential tasks like calls, texts, and basic web browsing, and are willing to compromise on performance and camera quality. Buy the Samsung Galaxy S23 Ultra if you demand top-tier performance for gaming and demanding applications, a professional-grade camera system, and a premium user experience with features like fast charging and a vibrant display.

Frequently Asked Questions

❓ Is the Mediatek MT6572 in the Posh Micro X S240 sufficient for running popular social media apps like TikTok and Instagram?
While the Mediatek MT6572 can handle basic social media apps, expect noticeable lag and slow loading times, especially when multitasking. The processor is designed for very light use cases and will struggle with the resource-intensive demands of modern social media platforms.
❓ How does the Samsung Galaxy S23 Ultra handle sustained gaming sessions, and is throttling a concern?
The Snapdragon 8 Gen 2 in the S23 Ultra is exceptionally well-equipped for gaming. The 4nm process and advanced cooling system minimize thermal throttling, allowing for sustained peak performance during extended gaming sessions. While some throttling may occur after prolonged use, it's significantly less pronounced than in older flagship devices.
❓ Does the Posh Micro X S240 support over-the-air (OTA) software updates?
Given its price point and the age of the Mediatek MT6572 chipset, it's unlikely the Posh Micro X S240 will receive frequent or long-term software updates. Security patches and new Android versions are unlikely to be provided, potentially leaving the device vulnerable over time.
❓ What type of storage does the Samsung Galaxy S23 Ultra use, and how does that impact performance?
The Samsung Galaxy S23 Ultra utilizes UFS 4.0 storage, which is significantly faster than the eMMC storage likely found in the Posh Micro X S240. UFS 4.0 results in faster app loading times, quicker file transfers, and an overall more responsive user experience.