The short version
The Logitech G903 Lightspeed is symmetrical and the Logitech G703 Lightspeed is ergonomic, and the Logitech G903 Lightspeed is 6 mm longer and the Logitech G703 Lightspeed is 3 mm taller (130 × 67 × 40 mm vs 124 × 68 × 43 mm). By length that is large against medium-sized. The Logitech G703 Lightspeed is 15 g lighter (110 g vs 95 g). They share the HERO 25K sensor, both track to 25,600 DPI, and both poll at up to 1,000 Hz. Both came out in June 2019. In our rankings the Logitech G903 Lightspeed is #62 overall and the Logitech G703 Lightspeed is #54.
What actually separates them
| LogitechG903 LIGHTSPEED | VS | LogitechG703 LIGHTSPEED |
|---|---|---|
| #62 | Overall Rank | #54 |
| #64 | FPS Rank | #47 |
| #65 | MOBA Rank | #53 |
| #61 | MMO Rank | #56 |
| Either | Handedness | Right |
| Symmetrical | Shape | Ergonomic |
| 130 mm | Length | 124 mm |
| 67 mm | Width | 68 mm |
| 40 mm | Height | 43 mm |
| 110g | Weight | 95g -13.6% |
| 7 | Total Buttons | 6 |
| 2 | Buttons (Right) | 0 |
| Notched, Free, Tilting | Scroll Wheel Type | Notched |
Every spec, side by side
| LogitechG903 LIGHTSPEED | VS | LogitechG703 LIGHTSPEED |
|---|---|---|
| General | ||
| Logitech | Brand | Logitech |
| 2019/06 | Release Date | 2019/06 |
| Rankings | ||
| #62 | Overall Rank | #54 |
| #64 | FPS Rank | #47 |
| #65 | MOBA Rank | #53 |
| #61 | MMO Rank | #56 |
| Performance | ||
| 25600 | Max DPI | 25600 |
| 100 | Min DPI | 100 |
| 40 G | Acceleration | 40 G |
| 400 | IPS | 400 |
| 1000 | Poll Rate (Hz) | 1000 |
| 1.2 | Lift-off Distance | 1.2 |
| Optical | Sensor Type | Optical |
| HERO 25K | Sensor | HERO 25K |
| Ergo & Design | ||
| Yes | RGB Lighting | Yes |
| Either | Handedness | Right |
| Symmetrical | Shape | Ergonomic |
| Solid | Shell Type | Solid |
| Colors | ||
| 130 mm | Length | 124 mm |
| 67 mm | Width | 68 mm |
| 40 mm | Height | 43 mm |
| 110g | Weight | 95g |
| Yes | Extra Weights | Yes |
| Buttons | ||
| 7 | Total Buttons | 6 |
| 2 | Buttons (Left) | 2 |
| 2 | Buttons (Right) | 0 |
| Notched, Free, Tilting | Scroll Wheel Type | Notched |
| Unknown | Switch Lifespan | 50M |
| Connectivity | ||
| Wireless | Connection | Wireless |
| Built In | Battery Type | Built In |
| Software Features | ||
| No | Hardware Acceleration | No |
| No | Software Acceleration | No |
| No | Angle Snapping | No |
| No | Smoothing | No |
| No | Motion Sync | No |
Where to buy
Logitech G903 LIGHTSPEED
Logitech G703 LIGHTSPEED
Common questions
Which is lighter, the Logitech G903 Lightspeed or the Logitech G703 Lightspeed?
The Logitech G703 Lightspeed is lighter: 110 g vs 95 g.
Are the Logitech G903 Lightspeed and Logitech G703 Lightspeed the same shape and size?
No, the Logitech G903 Lightspeed is symmetrical and the Logitech G703 Lightspeed is ergonomic, and the Logitech G903 Lightspeed is 6 mm longer and the Logitech G703 Lightspeed is 3 mm taller (130 × 67 × 40 mm vs 124 × 68 × 43 mm). By length that is large against medium-sized.
Which has the better sensor specs, the Logitech G903 Lightspeed or the Logitech G703 Lightspeed?
Neither — they match on paper: 25,600 vs 25,600 DPI and 400 vs 400 IPS.
Which is newer, the Logitech G903 Lightspeed or the Logitech G703 Lightspeed?
Neither — both came out in June 2019.
More comparisons
- Logitech G502 Lightspeed vs Logitech G903 Lightspeed
- Logitech G305 Lightspeed vs Logitech G703 Lightspeed
- Logitech G502 Lightspeed vs Logitech G703 Lightspeed
- Logitech G703 Lightspeed vs Logitech G309
- Logitech G703 Lightspeed vs Logitech G403 HERO
Full specs: Logitech G903 LightspeedLogitech G703 Lightspeed
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