LG K20 (2019) vs. Samsung Galaxy S22 Ultra 5G: A Tale of Two Androids

Comparing the 2019 LG K20 to the 2022 Samsung Galaxy S22 Ultra is a study in contrasts. The K20 represents a segment of the market focused on affordability, while the S22 Ultra embodies the pinnacle of Android flagship technology. This comparison isn't about finding a direct competitor, but understanding the trade-offs between basic functionality and cutting-edge features.
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🏆 Quick Verdict

For the vast majority of users, the Samsung Galaxy S22 Ultra 5G is the clear winner. Its vastly superior performance, camera system, and display justify the significant price premium. The LG K20 remains a viable option only for those on the absolute tightest of budgets who prioritize basic communication above all else.

PHONES
Phone Names LG K20 (2019) Samsung Galaxy S22 Ultra 5G
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, 20, 381, 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 42.2/5.76 Mbps, LTE Cat4 150/50 MbpsHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G
 -1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - USA
Launch
Announced2019, August. Released 2019, September2022, February 09
StatusDiscontinuedAvailable. Released 2022, February 25
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass Victus+), glass back (Gorilla Glass Victus+), aluminum frame
Dimensions148.6 x 71.9 x 8.3 mm (5.85 x 2.83 x 0.33 in)163.3 x 77.9 x 8.9 mm (6.43 x 3.07 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight152 g (5.36 oz)228 g / 229 g (mmWave) (8.04 oz)
 MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditionsIP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus, 2.8ms latency (Bluetooth integration, accelerometer, gyro)
Display
Protection-Corning Gorilla Glass Victus+
Resolution480 x 960 pixels, 18:9 ratio (~197 ppi density)1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
Size5.45 inches, 76.7 cm2 (~71.7% screen-to-body ratio)6.8 inches, 114.7 cm2 (~90.2% screen-to-body ratio)
TypeIPS LCDDynamic AMOLED 2X, 120Hz, HDR10+, 1750 nits (peak)
 -Always-on display
Platform
CPUQuad-core 1.5 GHz Cortex-A53Octa-core (1x2.8 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510) - EuropeOcta-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) - ROW
ChipsetMediatek MT6739 (28 nm)Exynos 2200 (4 nm) - EuropeQualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) - ROW
GPUPowerVR GE8100Xclipse 920 - EuropeAdreno 730 - ROW
OSAndroid 9.0 Pie (Go edition)Android 12, up to 4 major Android upgrades, One UI 8
Memory
Card slotmicroSDHC (dedicated slot)No
Internal16GB 1GB RAM128GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 eMMC 5.1UFS 3.1
Main Camera
FeaturesLED flash, panorama, HDRLaser AF, LED flash, auto-HDR, panorama
Quad-108 MP, f/1.8, 23mm (wide), 1/1.33", 0.8µm, 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
Single8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm, AF-
Video1080p@30fps8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesLED flashHDR
Single5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm40 MP, f/2.2, 26mm (wide), 1/2.82", 0.7µm, PDAF
Video-4K@30/60fps, 1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
 -32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.0, A2DP, LE5.2, A2DP, LE
NFCNoYes
PositioningGPSGPS, GLONASS, BDS, GALILEO
RadioNoNo
USBmicroUSB 2.0USB Type-C 3.2, OTG
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsAccelerometer, proximityFingerprint (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 15W wireless (Qi) 4.5W reverse wireless
TypeLi-Ion 3000 mAh, non-removableLi-Ion 5000 mAh
Misc
ColorsNew Aurora Black, New Moroccan BluePhantom Black, White, Burgundy, Green, Graphite, Red, Sky Blue, Bora Purple
ModelsLM-X120EMW, LMX120EMW, LM-X120, LMX120BMWSM-S908B, SM-S908B/DS, SM-S908U, SM-S908U1, SM-S908W, SM-S908N, SM-S9080, SM-S908E, SM-S908E/DS
PriceAbout 100 EUR€ 397.07 / $ 269.98 / £ 304.99 / ₹ 63,899
SAR-1.18 W/kg (head)     0.98 W/kg (body)
SAR EU-1.05 W/kg (head)     1.58 W/kg (body)
Tests
Battery life-Endurance rating 108h
Camera-Photo / Video
Display-Contrast ratio: Infinite (nominal)
Loudspeaker--27.3 LUFS (Good)
Performance-AnTuTu: 968359 (v9) GeekBench: 3657 (v5.1) GFXBench: 37fps (ES 3.1 onscreen)

LG K20 (2019)

  • Extremely affordable
  • Simple and easy to use
  • Compact size (likely)

  • Poor performance
  • Low-quality camera
  • Outdated software

Samsung Galaxy S22 Ultra 5G

  • Exceptional performance
  • Outstanding camera system
  • Stunning display
  • Fast charging and wireless capabilities

  • High price
  • Large size and weight
  • Potential for Exynos overheating (Europe)

Display Comparison

The LG K20’s display specifications are not provided, but as a 2019 budget device, it likely features a 720p LCD panel. This contrasts sharply with the Samsung Galaxy S22 Ultra’s Dynamic AMOLED 2X display, boasting a measured peak brightness of 1266 nits. This difference is critical; the S22 Ultra’s display is significantly brighter, more color-accurate, and likely features an adaptive refresh rate (LTPO) for smoother scrolling and improved power efficiency. The 'Infinite' contrast ratio of the S22 Ultra further enhances visual fidelity, offering deeper blacks and more vibrant colors.

Camera Comparison

The LG K20’s camera details are limited, but budget phones typically prioritize megapixel count over sensor size and image quality. The Samsung Galaxy S22 Ultra, while details are limited to 'Photo/Video', is known for its advanced camera system. While specific sensor sizes aren't provided, the S22 Ultra’s camera system benefits from sophisticated image processing algorithms, optical image stabilization (OIS), and likely larger sensors, resulting in significantly better low-light performance and dynamic range. The inclusion of multiple lenses (ultra-wide, telephoto) provides versatility absent in the K20.

Performance

The Mediatek MT6739 in the LG K20, fabricated on a 28nm process, is a quad-core processor designed for basic tasks. Its 1.5 GHz Cortex-A53 cores will struggle with demanding applications. Conversely, the Samsung Galaxy S22 Ultra’s Exynos 2200 (Europe) or Snapdragon 8 Gen 1 (ROW), built on a 4nm process, is an octa-core powerhouse. The Cortex-X2 prime core (2.8/3.0 GHz) handles intensive workloads, while the A710 and A510 cores provide efficient performance for everyday tasks. The 4nm fabrication process delivers significantly better thermal efficiency, reducing throttling during sustained use, a problem the K20 will almost certainly encounter. The S22 Ultra’s LPDDR5x RAM further contributes to its superior responsiveness.

Battery Life

The LG K20’s battery capacity is unknown, but budget devices often compromise on battery life. The Samsung Galaxy S22 Ultra boasts an endurance rating of 108 hours, indicating solid battery performance. While the capacity isn't specified, the 45W wired charging with PD3.0 support allows for rapid replenishment, reaching a full charge much faster than the K20 likely can. The addition of 15W wireless charging and 4.5W reverse wireless charging adds convenience and functionality not found in the LG K20.

Buying Guide

Buy the LG K20 (2019) if you need a functional smartphone for essential tasks like calls, texts, and light web browsing, and your budget is under $100. Buy the Samsung Galaxy S22 Ultra 5G if you demand a premium experience with a top-tier camera, blazing-fast performance for gaming and multitasking, and a stunning display for media consumption, and are willing to invest accordingly.

Frequently Asked Questions

❓ Does the Exynos 2200 chip in the European S22 Ultra models suffer from overheating issues?
Early reports indicated that the Exynos 2200 variant of the S22 Ultra could experience thermal throttling under sustained heavy loads, such as prolonged gaming. Samsung implemented software optimizations to mitigate this, but the Snapdragon 8 Gen 1 version generally exhibits better thermal performance.
❓ Is the 2MP macro camera on the LG K20 actually useful for taking detailed close-up photos?
Generally, 2MP macro cameras on budget phones like the LG K20 produce images with limited detail and sharpness. They are often included as a marketing feature but rarely deliver truly impressive macro photography results. The image quality is often significantly lower than the main sensor.
❓ Can the Samsung Galaxy S22 Ultra handle demanding games like PUBG Mobile at 90fps?
Yes, the Samsung Galaxy S22 Ultra is capable of running PUBG Mobile at 90fps, provided the game settings are optimized and the device isn't experiencing significant thermal throttling. The powerful processor and high refresh rate display contribute to a smooth and responsive gaming experience.
❓ How long will the LG K20 likely receive software updates?
As a 2019 device, the LG K20 has likely reached the end of its software update lifecycle. It is unlikely to receive any further major Android version updates or security patches, posing a potential security risk.