GAMING MICE COMPARED SIDE BY SIDE
Budget gaming mice compared: G203, Rival 3 Gen 2 or Cobra?
Three wired gaming mice address the same need differently: the G203 focuses on familiar all-round use, the Rival 3 Gen 2 on balance, and the Cobra on a very light build.
Updated 23 September 2026 · Specifications checked on manufacturers' websites.
Comparison at a glance
CUSTOMISE THE VIEW
Compare the key differences side by side
Select at least two products. The table shows the differences in one place; it does not make the decision for you.
| Feature | G203 | Rival 3 Gen 2 | Cobra |
|---|---|---|---|
| Connection | Wired USB | Wired USB | Wired USB |
| Maximum sensitivity | 8,000 DPI | 8,500 CPI | 8,500 DPI |
| Advertised weight | about 85 g | 77 g | 58 g |
| Form factor | Compact, symmetrical | Symmetrical | Compact, symmetrical |
| Standout strength | 6 programmable buttons | Updated cable and PTFE feet | Very lightweight construction |
| Best suited to | Buyers wanting a versatile everyday mouse | Buyers looking for a balance | Buyers looking for a very light mouse |
Three options for different needs
Logitech G203 LIGHTSYNC
An everyday wired model with an 8,000 DPI sensor, six programmable buttons and LIGHTSYNC lighting.
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Logitech G203 LIGHTSYNC – direct product links
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- Straightforward six-button design
- Worth considering for a smaller symmetrical shape
- Wide sensitivity range
- At about 85 g, it is not the lightest in this comparison
- Judge the shape with your own hand
SteelSeries Rival 3 Gen 2
A 77 g wired mouse with an 8,500 CPI TrueMove Core sensor, an improved cable and PTFE feet.
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- Lighter than the G203
- Updated cable and glide characteristics
- Straightforward general-purpose shape
- No wireless connection
- Grip and hand size determine fit
Razer Cobra
A 58 g wired mouse with an 8,500 DPI sensor and a compact, symmetrical body.
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Razer Cobra – direct product links
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- Lightest in this comparison
- High advertised DPI range
- Compact body
- The small, light shape will not suit everyone
- The cable remains on the desk
Editorial assessment: The 'Best suited to' recommendations are conclusions drawn from product information. Hand size and grip affect fit. The manufacturer's maximum sensitivity alone does not describe the feel.
Fit the mouse to your hand before buying
Find your current mouse model and a tape measure. Compare length, width and height: DPI alone does not predict fit.
- Measure your current mouse. Logitech states the G203's dimensions as 116.6 × 62.15 × 38.2 mm (length × width × height). Razer states the Cobra's as 119.6 × 62.5 × 38.1 mm. The Cobra is therefore about 3 mm longer, although the models are roughly the same width. Body curvature also affects grip.
- Understand the weight difference. The manufacturer figures are 85 g for the G203, 77 g for the Rival 3 Gen 2 and 58 g for the Cobra. On those figures, the Cobra is 27 g lighter than the G203 and 19 g lighter than the Rival. Weight alone does not tell you which feels better.
- Choose the connection type. All models in this comparison are wired. If you need wireless, start with the gaming mouse buying guide and narrow your options accordingly.
- Confirm the exact model and retailer terms. Make sure the seller's model name matches this comparison, and check the price, delivery and returns terms with the retailer.
Dimensions and weights are manufacturer specifications, not our own measurements. We do not add dimensions for the Rival 3 Gen 2 that we have not verified with the manufacturer. We have not tested the hands-on feel.
How were the products selected?
We selected models in the same affordable wired gaming mouse category, deliberately with different weights. This helps readers choose for their usage rather than declaring one model best for everyone.
Comparison limitations
We do not measure sensor latency, switch durability or long-term comfort. Manufacturer DPI and weight figures alone do not tell you how a mouse feels in your hand.
Sources
The images are manufacturer product images, used to identify the products.
- Logitech G203 LIGHTSYNC – manufacturer specifications, checked on 23 September 2026.
- SteelSeries Rival 3 Gen 2 – manufacturer specifications, checked on 23 September 2026.
- Razer Cobra – manufacturer specifications, checked on 23 September 2026.