Comparison and Difference Between
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Compare Mice |
Mouse Details
Subjects of comparisons - brand and model.
Manufacturer | Logitech | Logitech |
Model | G203 Lightsync | G502 Proteus Spectrum |
Photo | ![]() |
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Release Date | 2020 | 2016 |
Your Rating | ||
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Dimensions and Weight
Mice size, weight and cable length (if applicable).
Length | ~116.6 mm ~11.66 cm ~4.59 in |
~132 mm ~13.2 cm ~5.2 in |
Width | ~62.15 mm ~6.22 cm ~2.45 in |
~75 mm ~7.5 cm ~2.95 in |
Height | ~38.2 mm ~3.82 cm ~1.5 in |
~40 mm ~4 cm ~1.57 in |
Weight | ~85 g ~0.09 kg ~0.19 lbs |
~121 g ~0.12 kg ~0.27 lbs |
Technical Specs
Full tech specifications of the given mice.
Sensor Type | Optical | Optical |
Sensor Model | Gaming-Grade Sensor | PMW3366 |
Resolution (CPI/DPI) | 200 - 8000 | 400 - 12000 |
Max Resolution (CPI/DPI) | 8000 | 12000 |
Min Resolution (CPI/DPI) | 200 | 400 |
Maximum Acceleration | 30 G | 40 G |
Max Tracking Speed | - | 400 IPS |
Polling Rate | 1000 Hz (1 ms) | 1000 Hz (1ms) |
Lift Off Distance | ~1.2 mm | ~1.0 mm |
Switch Type | Omron | Unknown |
Switch Lifespan | 10 million clicks | - |
Feet (Material) | PTFE | PTFE (250 kilometers) |
Onboard Memory | No | Yes |
Smoothing / Filtering | Unknown | No |
Hardware Acceleration | Unknown | No |
Click Latency | 3.8 ms | 11.2 ms |
Shift Latency | 8.10 ms | - |
Accessories and Features
Other options such as grip style, lighting and connectivity.
Mouse Type | Gaming mouse | Gaming mouse |
Sensor Type | Optical | Optical |
Ergonomy | Ambidextrous | Right-handed |
Buttons | ||
Suggested Grip | Claw grip, Fingertip grip | Palm grip |
DPI Indicator | Yes | Yes |
Lighting | Yes | Yes |
Adjustable Lighting | Yes | Yes |
Adjustable Weight | No | Yes |
Editable Scroll-Wheel Resistance | No | No |
Silent Clicking | No | No |
Colors | White | Black |
Battery Time | - | - |
Battery Type | - | - |

Price and Warranty
Satisfaction is (not) guaranteed.
Warranty | 2 Years | 3 Years |
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Vs Comparison Analysis
Our coding Monkeys 🐵 elaborated a Vs comparison for you.
Model | G203 Lightsync | G502 Proteus Spectrum |
Picture | ![]() ![]() ![]() |
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Age | 4 Years | 8 Years |
Relative Age | 4 Years Younger | 4 Years Older |
User Rating ☆ | 3% Worse Score | 3% Better Score |
Dimensions | ~15.40 mm (or ~0.61 in) Shorter ~12.85 mm (or ~0.51 in) Narrower ~1.80 mm (or ~0.07 in) Lower |
~15.40 mm (or ~0.61 in) Longer ~12.85 mm (or ~0.51 in) Wider ~1.80 mm (or ~0.07 in) Higher |
Weight | ~36.00 g or ~0.08 lbs Lighter | ~36.00 g or ~0.08 lbs Heavier |
Sensor Type & Model | Same Tech Different Model |
Same Tech Different Model |
Resolution Range [DPImax - DPImin] |
Smaller Range | Larger Range |
Max Resolution | 33% Worse Max Res. 4000 Less DPI/CPI |
33% Better Max Res. 4000 More DPI/CPI |
Min Resolution | 50% Better Min Res. 200 More DPI/CPI |
50% Worse Min Res. 200 Less DPI/CPI |
Maximum Acceleration | 25% Worse Max G | 25% Better Max G |
Maximum Tracking Speed | ||
Polling Rate | Same Polling Rate | Same Polling Rate |
Lift Off Distance | Greater Lift Off Distance | Smaller Lift Off Distance |
Switch Type | Different Switch Tech | Different Switch Tech |
Switch Lifespan | ||
Feet Material Type | Different Feet Material | Different Feet Material |
Number of Buttons | 5 Less Buttons | 5 More Buttons |
Battery Time | ||
Click Latency | 66% Better Click Latency | 66% Worse Click Latency |
Shift Latency |
Graphical Vs Comparison
Wow! The Monkeys 🐒 learnt to make Graphs!
Physical Characteristics (mm, grams) |
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Sensor Characteristics (0 ➡ 100%) (worse ➡ better) |
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Latency Characteristics (0 ➡ 100%) (worse ➡ better) |
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Other Features (0 ➡ 100%) (worse ➡ better) |
Graphs Description | The Physical Characteristics comparison is just a viewable representation of the devices' length, width, height and weight. Sensor, Latency and Other Features are, instead, computed within the range 0-->100, taking into account if the variable is getting better with the increase of its value (e.g the highest max DPI, the better it is) or vice versa (the lowest Click Latency, the better); for example, a score of 50 for both devices means they are equal, scores of 70 and 30 mean that first one better. So, the data are homogeneous to provide immediate meaning, higher bar(s) means better value(s). An empty graph means that there is not enough data to compute that comparison (one value or both are missing). |
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Logitech G203 Lightsync | Logitech G502 Proteus Spectrum |

Final Vs Words
Aiding our visitors to the final choice between the mice.
This final paragraph will help you in the decision making process, between Logitech G203 Lightsync and Logitech G502 Proteus Spectrum, and in selecting the mouse that is performing better and best suits your needs. We are aware that every user has own needs and preferences, due to this each mouse could be better for some features and worse for other ones. The purpose of the text is to highlight this possibility and generate an "overall score" for a purchase decision.
First of all, both mice share the same utilization aim, Gaming mouse. The first one is younger, 4 years old, being released in the 2020, while G502 Proteus Spectrum is older, 8 years old, being released in the 2016. The production age difference is 4 year(s). This makes the G203 Lightsync kind of more attractive in terms of freshness.
• Dimensions, Weight, Ergonomy 📐⚖️🫳
When it comes to evaluate mice dimensions, you should take into consideration the size of your hand and check if it would properly fit it or not. In this case, you should check which mice would be the fittest. Compared to G502 Proteus Spectrum mouse, G203 Lightsync is ~15.40 mm (or ~0.61 in) Shorter, ~12.85 mm (or ~0.51 in) Narrower and ~1.80 mm (or ~0.07 in) Lower, which makes it, overally, 30.05 mm (or -1.18 in) way smaller and better suiting tinier hands.
Considering the weight, Logitech G203 Lightsync is 30% lighter, a difference of 36.00 g (0.08 lbs), which can be considered quite significant. We do not express a particular preference for heavier or lighter mice, being this a completely personal objective preference. However, G502 Proteus Spectrum offers weight personalization (addable weights or editable shape) while G203 Lightsync does not.
Regarding the Ergonomy, G203 Lightsync is meant to be Ambidextrous while G502 Proteus Spectrum is Right-handed. They offer different grip, Claw grip, Fingertip grip by G203 Lightsync while G502 Proteus Spectrum has Palm grip; the first one can be considered more adaptable, with a greater number of grip possibilities equal to 2 instead of the 1 offered by the other one.
• Sensor and Latencies 🐭⏱️
Let's now compare Logitech G203 Lightsync sensor with the one of Logitech G502 Proteus Spectrum. The two mice share the same sensor technology, that is Optical, but different sensor model: Gaming-Grade Sensor equipped by G203 Lightsync and PMW3366 used by G502 Proteus Spectrum. It is very important to say that, although tech and model sometimes coincide, the assembly and composition of interior circuits might result in different specs and latencies.
Resolution, Max Acceleration and Max Tracking, Polling Rate and Lift Off
The mice offer different resolution range (DPImax - DPImin), the G203 Lightsync provides 7800 DPI/CPI, while G502 Proteus Spectrum offers 11600 DPI/CPI, meaning that the last one has larger range. Consider picking up the one having the sensitivity range that mostly suits your needs, depending on the aim (Gaming/Business) but also the kind of game you are going to use it mostly (e.g. FPS is different than RTS or MOBA). If you need a higher precision mouse, meaning that for the same length of shift the mouse will recognize more movement, "reading" more dots per inch and, in other words, will move faster on the screen, G502 Proteus Spectrum is offering 33% better Max Resolution, 4000 More DPI/CPI.As for the Maximum Acceleration, which measures the maximum pull force in G(s) that the sensor can trace before inconsistencies occur, G502 Proteus Spectrum shows a better value, 40 G, a small difference of 10 G. Take into account that max G and max IPS mostly affect activities requiring very fast mouse shift, together with the shift latency that we will analyse further in this section.
They have a Polling Rate of 1000 Hz, in other words they report data to computer 1 time every 1.00 ms. Lastly, the Lift Off distance of G203 Lightsync shows an higher value, 1.2 mm, a small difference of 0.20 mm. Anyway, they do not offer adjustable lift off distance through software.
Click and Shift Latencies
Logitech G203 Lightsync has lower click latency than Logitech G502 Proteus Spectrum, a great difference of 7.40 ms, 66% better Click Latency, which can be evaluated very significant, in terms of compared performance. Anyway, we feel it is important to underline that the differences in latencies are often more perceptible from the machine's point of view rather than human's, reducing the real impact of these values and deviations. At the moment there is no available data to compare the mice shift latency, since the data of G502 Proteus Spectrum is missing. Contact us to request priority data update. However, G203 Lightsync has a shift latency of 8.1 ms which can be considered quite decent, compared to a medium quality mouse.
• Other Features 📎
Let's now have a look, finally, to the general features of the two mice. They are equipped with different Switch Technology, G203 Lightsync has Omron while G502 Proteus Spectrum has Unknown; The Feet Material is different, G203 Lightsync (PTFE) and G502 Proteus Spectrum (PTFE (250 kilometers)). Considering the available Number of Buttons, 6 offered by first mouse and 11 offered by the second one, a moderate difference of 5 that can be considered important or not depending on the utilization purpose. In the end, the features offered by Logitech G203 Lightsync are DPI Indicator, RGB Lighting, Customizable RGB, while Logitech G502 Proteus Spectrum is giving On board Memory, DPI Indicator, RGB Lighting, Customizable RGB.

Final Choice & Ranking
Numerical and Graphical Scoring of the G203 Lightsync and G502 Proteus Spectrum models, for buying decision.
In this final section you will find Mouse Specs comparison score of the two mice. The graphs below are elaborated considering the most important variables per each type of device utilization.
Click the buttons to have a wide view of the G203 Lightsync and G502 Proteus Spectrum performance in different utilization environments.
Logitech G203 Lightsync | Logitech G502 Proteus Spectrum |
20529 | 24471 |
46% | 54% |
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Use the selectors below to weight the score depending on your needs, from 0 (not important) to 5 (high priority).
Your Rate | Max Res | Max Acc | Max Track | Poll Rate | |
Click Lag | Adj. Weight | N. Buttons | DPI Ind. | ||
You should take into consideration also the personal feelings and not only the technical specs.
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Disclaimers
Small print and stuff
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