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Yes. Both the TECNO Spark 50S 5G and the separate 4G Spark 50C are reported with 120Hz displays. Their meaningful differences are the listed resolution, touch-sampling information, network model, battery capacity and charging speed—not the headline refresh rate.
At a glance: what each phone’s display specification says
The model names are easy to mix up. References to the Spark 50S in India-focused coverage generally mean the Spark 50S 5G, while the Spark 50C is a separate 4G handset. Keep the “5G” suffix attached when comparing the two.
| Specification | TECNO Spark 50C | TECNO Spark 50S 5G |
|---|---|---|
| Network model | 4G model, according to the product identity in the available specifications | 5G model |
| Display size | 6.78 inches | 6.78 inches |
| Resolution | 720 × 1600 | 720 × 1576 |
| Refresh rate | 120Hz | 120Hz |
| Touch sampling | Not stated in the available TECNO specification | 240Hz, as reported by iTechGuides in 2026 |
| Brightness | Not stated in the available TECNO specification | Up to 560 nits, from a secondary launch report cited by iTechGuides |
| Battery | 5,200mAh, as reported by iTechGuides in 2026 | 6,500mAh, as reported by iTechGuides in 2026 |
| Wired charging | 15W, as reported by iTechGuides in 2026 | 45W, as reported by iTechGuides in 2026 |
TECNO’s current Bangladesh specification page lists the Spark 50C as having a “120Hz 6.78”” display and gives its resolution as 720 × 1600. iTechGuides reports the Spark 50S 5G as a 6.78-inch LCD with 720 × 1576 resolution, 120Hz refresh, 240Hz touch sampling and up to 560 nits brightness.
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Do both phones really have 120Hz screens?
Yes. The available specifications report 120Hz for both models. In practical terms, a 120Hz mode can update the display more frequently than a lower-refresh mode, making supported scrolling, interface animation and compatible games look smoother.
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That number is a capability, not a promise that every application renders at 120 frames per second. An app may use a lower frame rate, the phone may change refresh behavior to manage power, and a game’s frame-rate limit can be below 120fps. The available material does not include an independent test of sustained refresh rate, frame pacing or battery drain while using 120Hz.
iTechGuides’ comparison gives the direct answer: “Does the Spark 50C have a 120Hz screen? Yes. TECNO specifies a 6.78-inch 120Hz display for the Spark 50C.” The same 120Hz figure is reported for the Spark 50S 5G.
What is the Spark 50C display resolution?
The Spark 50C is specified at 720 × 1600 pixels on its 6.78-inch display. The first number is the horizontal pixel count and the second is the vertical count.
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Is the Spark 50S 5G screen better?
“Better” depends on what you value. On the listed display specifications, the Spark 50S 5G does not have a higher refresh rate: both phones are reported at 120Hz. It has a different vertical resolution, reported touch sampling and a reported brightness figure, but those differences should not be treated as laboratory proof of superior image quality.
Resolution: 720 × 1576 versus 720 × 1600
The Spark 50S 5G is reported at 720 × 1576, while the Spark 50C is listed at 720 × 1600. Both therefore share the same stated horizontal width, and the 50C lists 24 more vertical pixels. This specification difference alone does not establish a visibly sharper screen. The sources do not provide color measurements, pixel-density calculations, viewing-distance tests or side-by-side image testing.
Touch response: 240Hz is not the same as 120Hz refresh
The 50S 5G is reported with 240Hz touch sampling. Touch sampling describes how often the touch layer checks for input; refresh rate describes how often the display can update its image. A higher touch-sampling figure can reduce the interval between a finger movement and the phone detecting it, which may be useful in fast games or precise gestures.
No touch-sampling figure was located for the Spark 50C, so it is more accurate to call the 50S 5G’s 240Hz figure a documented difference than to claim that the 50C is slower. The absence of a published number is not a measurement of the 50C’s actual touch behavior.
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Brightness: treat the 560-nit figure as a reported maximum
iTechGuides reports up to 560 nits for the Spark 50S 5G, attributing that number to a secondary launch report. “Up to” indicates a stated peak rather than a guarantee that the entire screen, every mode or every lighting condition reaches 560 nits. No comparable brightness figure was located for the Spark 50C.
There are no independent measurements in the available sources for sustained brightness, color accuracy, color coverage, contrast, outdoor readability or automatic-brightness behavior. Consequently, the 50S 5G cannot be declared the better outdoor display solely from the 560-nit report.
The differences that may matter more than a small resolution change
5G versus 4G model identity
The Spark 50S 5G is the 5G handset in this comparison. The Spark 50C is a separate 4G model. Network support affects which mobile networks the phone can use and is a purchase decision independent of the 120Hz panel. A listing that says only “Spark 50S” may be referring to the India-focused 5G model, so verify the full name before ordering a case, screen protector or replacement part.
Battery capacity and charging speed
iTechGuides reports a 6,500mAh battery and 45W charging for the Spark 50S 5G, compared with 5,200mAh and 15W for the Spark 50C. Those are specification-level differences, not results from a standardized endurance test.
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The larger reported battery and faster charging can be more consequential in daily use than the 24-pixel difference in listed vertical resolution. A person who spends long periods scrolling, gaming or using mobile data may value the 50S 5G’s capacity and charging specification; someone choosing the 50C for its 4G configuration should not expect the same battery or charging numbers.
Battery life still depends on network signal, brightness, applications, refresh behavior, temperature and usage. The available sources do not establish screen-on-time figures or the additional drain caused specifically by selecting 120Hz.
What 120Hz will and will not change in daily use
Scrolling and interface motion
When the software is using the high-refresh mode and the content can supply enough frames, lists and page transitions can appear more fluid. The improvement is most noticeable during rapid vertical scrolling and animated transitions. It does not increase the detail of a 720-pixel-wide image, and it cannot make a low-frame-rate video or application run faster than its own limit.
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A 120Hz panel gives a game the display headroom to show motion at up to 120 refreshes per second, but the game, chipset, thermal conditions and software settings determine the actual frame rate. The 240Hz touch-sampling report for the 50S 5G concerns input detection, not guaranteed 240fps graphics or a 240Hz display.
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Video and battery use
Most video content is produced at frame rates below 120fps, so a high-refresh setting does not automatically improve every film or clip. Running a higher refresh mode can also affect power consumption, but the supplied specifications do not quantify that effect for either handset.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Will a Spark 50C screen protector fit the Spark 50S 5G?
Do not assume that it will. Both phones are reported with 6.78-inch displays, but equal diagonal size does not prove that the glass has the same outer dimensions, corner radius, bezel clearance, camera opening, speaker cut-out or adhesive area. The different listed resolutions also do not determine physical compatibility.
Check these details before buying
- Read the exact model name and model number printed in the phone’s settings, retail box or regulatory label. Confirm whether it is the 4G Spark 50C or the Spark 50S 5G.
- Match the protector listing to that exact model number and region, not merely to “TECNO Spark 50” or “6.78-inch.”
- Compare the protector’s camera, earpiece and sensor cut-outs with the handset before removing any protective film.
- Check whether the protector is designed for a flat or curved edge and whether it leaves room for the case you intend to use.
- If a seller lists several regional variants, ask for confirmation of compatibility with your specific handset before ordering.
A model-specific Spark 50C protector and a model-specific Spark 50S 5G protector should be treated as separate accessories unless the manufacturer or seller explicitly confirms cross-compatibility. No verified accessory listing was available in the cited material.
How to choose between the two display specifications
Choose the Spark 50C when
- You are buying the separate 4G model and do not need 5G network support.
- The official listing for your region confirms the 720 × 1600, 6.78-inch, 120Hz panel you want.
- You can accept the reported 5,200mAh battery and 15W charging figures.
Choose the Spark 50S 5G when
- You specifically need the 5G model rather than the 4G Spark 50C.
- The reported 240Hz touch-sampling specification is relevant to your gaming or gesture use.
- You place greater weight on the reported 6,500mAh battery and 45W charging than on the small difference in listed vertical resolution.
Do not decide from the refresh-rate label alone
Because both models are reported at 120Hz, that specification does not separate them. Before buying, verify the regional model, network support, battery and charging figures, and accessory compatibility. For screen quality beyond those headline specifications, look for a hands-on or laboratory test that measures brightness, color, viewing angles and sustained refresh behavior; those measurements are not established by the cited specifications.
What remains unverified
The available information supports the listed sizes, resolutions, refresh rates and reported 50S 5G touch-sampling and brightness figures. It does not establish:
- Independent laboratory brightness or color measurements for either display.
- Color gamut, contrast ratio, viewing-angle performance or outdoor readability.
- Sustained 120Hz operation across applications and games.
- Actual frame pacing, gaming performance or 120Hz battery drain.
- Long-term battery endurance or charging-time tests.
- Guaranteed interchangeability of screen protectors across the two models.
Those limits matter because a specification sheet describes capability, while the experience of smoothness, visibility and endurance depends on software, hardware behavior and usage conditions.
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