These battery-powered wireless mice differ more in connection and loading options than in headline sensor capacity. G305 records 99 g with its AA configuration. Rival 3 Wireless Gen 2 records 95 g with one AAA, 106 g with two and 83.5 g bare; bare weight is not ready-to-play weight.
Shape & Size
Compare the exact dimensions in the table with a mouse you already know. Width and height do not determine comfort by themselves; the grip and hand-size research below explains the contact differences.
Weight, Sensor & Polling
The table preserves unknown fields and manufacturer reporting limits. Weight conventions, firmware and optional receivers can differ. Neither a larger DPI maximum nor a higher polling ceiling establishes lower measured latency or better aim.
Choose G305 LIGHTSPEED If…
Choose this model if you prefer the compact G305 shape and a straightforward AA-powered LIGHTSPEED receiver setup. Bluetooth is not available, and there is no built-in charging system.
Choose Rival 3 Wireless Gen 2 If…
Choose this model if you need Bluetooth as well as receiver gaming, or want the documented one/two-AAA configurations. Its 450-hour claim is Bluetooth-specific and must not be compared directly with receiver runtime.
Price Positioning
No live selling price or value winner is established here. Historical MSRP, when verified, is labelled separately in the table. Compare current new-product checkout costs, optional receivers and shipping before deciding; merchant links and commissions do not affect these conclusions.
An egg-shaped nearly symmetrical shell creates different contact points from a wide, sloped right-handed design. Published commentary makes grip choice especially relevant for very large hands. Palm, claw and fingertip fit remain conditional on reach and how much palm contact is desired, with no formula turning the G305's length into a grip score.
Hand Size
The public RTINGS introduction calls the G305 smaller and highlights possible difficulty for very large hands. Logitech's 116.6 × 62.15 × 38.2 mm support dimensions help compare it with a familiar device; current shop rounding does not replace that model-specific precision. No small/medium/large numerical ratings are derived from these dimensions.
Gaming Use
For FPS and general gaming, the six-button layout offers a handful of accessible commands without a bulky side grid. The battery-inclusive weight is the meaningful movement comparison. MOBA or MMO users who keep the action bar on the keyboard may still consider it, but a thumb-driven command layout is not this model's defining feature.
Connection & Battery Conditions
The G305 connects through its LIGHTSPEED USB receiver and has no Bluetooth or cable-play option. A single AA cell provides power; there is no charging port or internal charging function. The official maximum of 250 hours refers to performance mode, not an unconditional lifespan for any battery or use pattern. Endurance-mode advertising is a separate operating condition and is not substituted for the gaming report rate.
Claw and fingertip are the best-supported review directions. Palm contact depends on the user and the low shell profile.
Hand Size
RTINGS highlights medium-hand claw/fingertip use on the substantial symmetrical body. No automatic size rating is derived.
Gaming Use
General keyboard-led gaming fits six controls and receiver input. Bluetooth endurance is not a competitive gaming performance result.
Connection & Battery Conditions
2.4 GHz receiver and Bluetooth use replaceable AAA power. 450 hours is the official Bluetooth claim; current 175-hour receiver language differs from earlier condition-dependent claims.
Dimensions, weight, sensor names and maximum specifications describe products. They do not establish an overall winner. Hand and grip assessments need research context. No hands-on testing is implied.
Affiliate commissions and buying-channel priorities are excluded from this comparison.
G305 LIGHTSPEED
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