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=== Timeline ===
This table describes handheld games consoles by generation, with over 110 million sales. No handheld achieved this prior to the fourth generation of game consoles. This list does not include [[dedicated consoles]], such as [[Handheld electronic game|LCD games]] and the [[Tamagotchi]].
{| class="wikitable" style="text-align:center; width:auto; line-height:13px;"
! scope="col" |[[Seventh generation of video game consoles|Seventh]]<br /><span style="font-size:70%;">(2005–2020)</span>
! colspan="2" scope="col" |[[Eighth generation of video game consoles|Eighth]]<br /><span style="font-size:70%;">(2011–present)</span>
! scope="col" |[[Ninth generation of video game consoles|Ninth]]<br /><span style="font-size:70%;">(2020–present)</span>
|-
! [[Atari Corporation|Atari]]
| bgcolor="#F8F8F8" |[[Atari Lynx]] (+II) <br /><small>(≈3 million)</small>
| bgcolor="#DCDCDC" colspan="6" |
|-
! [[Bandai]]
| bgcolor="#DCDCDC" colspan="2" |
| bgcolor="#F8F8F8" |[[WonderSwan]] (+Color, SwanCrystal) <br /><small>(3.5 million)</small>
| bgcolor="#DCDCDC" colspan="6" |
|-
! [[NEC]]
| bgcolor="#F8F8F8" |[[TurboExpress]] <br /><small>(1.5 million)</small>
| bgcolor="#DCDCDC" colspan="6" |
|-
! [[Nintendo]]
| bgcolor="#F8F8F8" |[[Game Boy]] (+Pocket, Light) <br /><small>(at least 64.4 million)</small>
| bgcolor="#F8F8F8" |[[Game Boy Color]] <br /><small>(at most 54.3 million)</small>
| bgcolor="#F8F8F8" |[[Game Boy Advance|Game Boy Advance family]] <br /><small>(81.5 million)</small>
| bgcolor="#F8F8F8" |[[Nintendo DS|Nintendo DS family]] <br /><small>(154 million)</small>
| bgcolor="#F8F8F8" |[[Nintendo 3DS|Nintendo 3DS family]] <br /><small>(76 million)</small>
| bgcolor="#F8F8F8" |[[Nintendo Switch|Switch]] (+Lite|OLED) <br /><small>(122.55 million)</small>
| bgcolor="#DCDCDC" colspan="1" |
|-
! [[Nokia]]
| bgcolor="#DCDCDC" colspan="2" |
| bgcolor="#F8F8F8" |[[N-Gage (device)|N-Gage]] (+QD) <br /><small>(3 million)</small>
| bgcolor="#DCDCDC" colspan="4" |
|-
! [[Sega]]
| bgcolor="#F8F8F8" |[[Game Gear]] <br /><small>(10.6 million)</small>
| bgcolor="#F8F8F8" |[[Genesis Nomad|Nomad]] <br /><small>(≈1 million)</small>
| bgcolor="#DCDCDC" colspan="5" |
|-
! [[SNK]]
| bgcolor="#DCDCDC" colspan="1" |
| bgcolor="#F8F8F8" |[[Neo Geo Pocket]] <br /><small>(at most 2 million{{efn|2 million units were sold across all SNK handhelds combined, a model by model breakdown is not available}})</small>
| bgcolor="#F8F8F8" |[[Neo Geo Pocket Color]]
| bgcolor="#DCDCDC" colspan="1" |
| bgcolor="#F8F8F8" colspan="2" |[[Neo Geo X]]
| bgcolor="#DCDCDC" colspan="3" |
|-
! [[Sony Interactive Entertainment|Sony]]
| bgcolor="#DCDCDC" colspan="32" |
| bgcolor="#F8F8F8" |[[PlayStation Portable|PSP]] (+Go, Street) <br /><small>(81.09 million)</small>
| bgcolor="#F8F8F8" colspan="2" |[[PlayStation Vita|PS Vita]] <br /><small>(16.21 million)</small>
| bgcolor="#DCDCDC" colspan="1" |
|-
! [[Valve Corporation|Valve]]
| bgcolor="#DCDCDC" colspan="6" |
|[[Steam Deck]] {{small|(≈3 million)}}
|}
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