Logitech G703
Full specifications from our spec database — measured values, not marketing copy
- Sensor
- HERO
- Max DPI
- 12K
- Polling rate
- 1000 Hz
- Shape
- Ergonomic
- Main switches
- Omron
- Button force
- —
- Suited grips
- Palm / Claw
- Weight
- 105 g
- Dimensions (L×W×H)
- 12.5 × 6.7 × 4.3 cm
- Size class
- Medium
- Connection
- Wireless
- Price
- Not tracked — we don't publish prices we can't verify
Our take 12 pros — the GPW-era palm shelf, and a weight you choose
The G703 is the mouse you buy when you've read every ultralight review, own a GPW, and still miss having your whole hand on something. Logitech took the first-gen Pro Wireless chassis, added rubber side grips, and left a ten-gram weight in the box so you could pick your own line in the 95-vs-105 argument. Twelve pros in our database are living that answer.
Careful with the generations, because two mice share this name: the 2017 original ran a PMW3366 topping at 12,000 DPI; from 2019 the G703 LIGHTSPEED carries HERO 25K — 100–25,600 DPI, 400+ IPS, 1:1 sub-micron tracking with zero smoothing, filtering or acceleration, and the 10× power-efficiency pitch that made LIGHTSPEED battery life respectable. Official weight is 95 grams bare, plus a removable 10-gram puck — which is why reviews, stores and our own library row disagree between 95 and 105; both are the mouse. Six programmable buttons, the Poised-to-Trigger metal-spring pre-load that makes the main clicks feel lighter than the switch rating, rubberized flanks for real palm contact, and POWERPLAY compatibility via an included POWERCORE disc — charge it forever, never cable it. At 124 x 68 x 43mm it's a true full-hand ergonomic in the GPW shape family, and LIGHTSPEED's 1000Hz remains latency-indistinguishable at anything a human can measure.
The short version: the comfort counterweight (pun loaded) to this entire site's ultralight obsession — same tracking silicon as the pro fleet, a palm shelf none of them have, and the rare mouse where you decide whether you're a 95g or a 105g player. Not defensible as a new purchase against modern 60g ergos; extremely defensible secondhand.
Check the label: 'G703' alone spans two sensor generations. Anything listing 12,000 DPI is the 2017 PMW3366 build, not HERO 25K.
~35 hours at 1K is mid-pack — the POWERPLAY dock is the intended charging story, and it's a good one; without the pad you're cable-charging weekly.
Who it's for
- Palm grippers with medium-to-large hands — the GPW shape with more contact.
- 95-or-105g self-selectors: the removable weight is the feature, not an accessory.
- POWERPLAY desk owners — perpetual wireless with zero charging ritual.
- Used-market pragmatists buying HERO 25K tracking in a heavier ergo shell.
Who should skip it
- Ultralight converts — this is the other church.
- 4K/8K polling shoppers; 1000Hz is the ceiling.
- Left-handed players — GPW-family shell, right-side buttons.
Alternatives to consider
Each is a real pick, not filler — with one concrete reason to choose it over this mouse.
The lighter sibling of this exact chassis family — less palm shelf, more mobility.
G Pro Wireless →The modern ergo that does this job at two-thirds the weight and with 8K.
DeathAdder V4 Pro →The heavier-palm answer with ZOWIE's driverless philosophy and coating lore.
EC2-CW →More from Logitech
FAQ
Which G703 am I buying — 12000 or 25600 DPI?
Two generations share the name. The 2017 original ran a PMW3366 (max 12,000 DPI); from 2019 the G703 LIGHTSPEED runs HERO 25K (100-25,600 DPI). Check the spec label for HERO 25K. Our library row still carries the 2017 sensor value — flagged, not silently rewritten.
Is it 95g or 105g?
Official: 95g mouse-only plus a removable 10g weight — both numbers are true depending on configuration. Listings at 105g measure the shipped-with-weight setup. It is the rare mainstream mouse where you choose your own side of 100g.
Is a 95-105g wireless mouse still defensible for FPS?
For palm grippers, yes: the G703's full palm shelf and rubber side grips are exactly what the ultralight wave never gave. HERO 25K tracks 1:1 zero-smoothing, LIGHTSPEED latency is indistinguishable, and POWERPLAY removes charging from the calendar.
How does it differ from the G903 / GPW?
Same LIGHTSPEED/POWERPLAY platform, three philosophies: G703 = comfort-first full-body ergo with side grips; G903 = its bilateral-button sibling; GPW = the lightweight movement tool. All run HERO 25K now — choose by hand, not by spec.
What is metal-spring button tensioning?
Logitech's Poised-to-Trigger pre-loads the main buttons: less force to actuate, crisper reset — why G703 clicks feel lighter than the switch spec suggests. For spam-click titles it is the quiet quality feature.