Infinite Tech, Smartphone Buying Guides

Phone Screen Specifications in Kenya: Brightness, Refresh Rate and PWM

Samsung Galaxy A15 4G smartphone

Quick answer: Screen technology, resolution, refresh rate, brightness and dimming describe different characteristics. A higher advertised number in one category does not establish better performance in every other category. Compare manufacturer terms and try the actual phone at the brightness and text size you use.

Samsung Galaxy A15 4GB 128GB Price in Kenya
Samsung Galaxy A15 4GB 128GB Price in Kenya · catalogue product image; finish can vary.
POCO M6 Pro 4G 12GB/512GB
POCO M6 Pro 4G 12GB/512GB · catalogue product image; finish can vary.

Understand the main display specifications

SpecificationWhat to compareLimit
LCD or AMOLEDPanel technology and the viewing experience you preferTechnology alone does not determine every aspect of quality
ResolutionPixel dimensions and reading detailA larger diagonal does not guarantee sharper text
Refresh rateSupported screen-update frequencyUp to 120Hz is not a promise of 120 frames per second in every game
BrightnessTypical, high-brightness and peak figuresValues measured under different conditions should not be compared as identical
PWM / dimmingManufacturer dimming method and stated conditionsDimming frequency is separate from refresh rate and is not a universal comfort guarantee

Examples from current phone families

Galaxy A15 LTE uses a 6.5-inch Super AMOLED display up to 90Hz. Redmi 12 uses a larger 6.79-inch FHD+ LCD up to 90Hz. The global POCO M6 Pro LTE has a 6.67-inch AMOLED up to 120Hz. The specification table is a starting point for choosing a model, not a measured screen-performance ranking.

Peak brightness versus everyday brightness

For example, Xiaomi lists 1000 nits in HBM and 1300 nits peak on the global POCO M6 Pro reference. A peak figure does not mean the entire screen holds that value continuously in every application. Compare the manufacturer’s labels and test outdoor visibility, reflections and automatic brightness on the supplied unit.

Refresh rate versus dimming frequency

Refresh rate concerns how frequently the displayed image can update. PWM figures concern a method of controlling brightness. They are different measurements. A product can advertise one frequency for refresh and another for dimming. Personal response to a display can vary, so test the phone at low and normal brightness rather than selecting it solely from a certificate or frequency number.

A useful shop comparison

  1. Use the same text size, content and approximately comparable brightness.
  2. Read a message and webpage, then scroll them.
  3. View a photograph and video without excessive colour enhancement settings.
  4. Check viewing angles, reflections and automatic brightness.
  5. On pre-owned units, inspect for damaged pixels, burn-in or replacement-screen differences.

For the full device trade-off, use A15 versus Redmi 12. For physical size, read the compact Android dimensions guide.

Frequently asked questions

Does a 120Hz screen guarantee 120fps games?

No. The application, chipset, settings and software also determine rendered frame rates.

Is peak brightness the normal full-screen brightness?

Do not assume that. Use the stated test conditions and manufacturer labels.

Is PWM the same as refresh rate?

No. They describe different display behaviours.

Should I buy from specifications alone?

Use specifications to shortlist, then inspect the actual phone, condition and settings.

Sources and buying information

Reviewed 5 November 2026. The comparison uses manufacturer specifications and dated Infinite Tech catalogue offers. Regional model, condition, accessories and warranty must match the actual supplied unit. Current product pages are the live commercial reference.

Continue through the Smartphone Knowledge Centre and Specification Verification Centre. Visit Infinite Tech at Rehema House, Standard Street, Nairobi CBD, first floor Shop 2. Call or WhatsApp 0720450148 to confirm a unit, delivery and written warranty.