显卡(Video card，Graphics card)全称显示接口卡，又称显示适配器，是计算机最基本配置、最重要的配件之一。显卡作为电脑主机里的一个重要组成部分，是电脑进行数模信号转换的设备，承担输出显示图形的任务。显卡接在电脑主板上，它将电脑的数字信号转换成模拟信号让显示器显示出来，同时显卡还是有图像处理能力，可协助CPU工作，提高整体的运行速度。
xiankajiajiezaizhujiyuxianshiqizhijian，zhuyaozuoyongshikongzhidiannaodetuxingshuchu，fuzejiangcpusonglaideyingxiangshujuchulichengxianshiqirenzhidegeshi，zaisongdaoxianshiqixingchengtuxiang，suoyixiankaxingnengdehaohuaijuedinglejiqidexianshixiaoguo。
集成显卡
集成显卡是将显示、xiancunjiqixiangguandianludouzuozaizhubanshang，yuzhubanrongweiyiti；jichengxiankadexianshixinpianyoudandude，dandabufendoujichengzaizhubandebeiqiaoxinpianzhong；yixiezhubanjichengdexiankayezaizhubanshangdanduanzhuanglexiancun，danqirongliangjiaoxiao，jichengxiankadexianshixiaoguoyuchulixingnengxiangduijiaoruo，bunengduixiankajinxingyingjianshengji，dankeyitongguocmosdiaojiepinlvhuoshuaruxinbioswenjianshixianruanjianshengjilaiwajuexianshixinpiandeqianneng。
jichengxiankabianyishengqian，shuyubangongxinghuommxing。
diyi，tazhanyongxitongneicun，shicpukeyongdewulineicunjianshao，
dier，zaiyuxitongneicundejiaohuguochengzhongtahuizhanyongzongxianzhouqi
disan，yuxitongneicundejiaohuguochengxuyaocpulaixiediao，zhanyongcpuzhouqi。
jichengxiankadeyoudian：shigonghaodi、fareliangxiao、bufenjichengxiankadexingnengyijingkeyipimeirumenjidedulixianka，suoyibuyonghuafeiewaidezijingoumaixianka。quedian：xingnengxiangduilvedi，qieguhuazaizhubanhuocpushang，benshenwufagenghuan，ruxugenghuan，zhinengyuzhubanhuoxiankayicixinggenghuan。
独立显卡
dulixiankashizhichengdulidebankacunzai，xuyaochazaizhubandexiangyingjiekoushangdexianka。dulixiankajubeidandudexiancun，buzhanyongxitongneicun，erqiejishushanglingxianyujichengxianka，nenggoutigonggenghaodexianshixiaoguoheyunxingxingneng。dulixiankazuoweidiannaozhujilideyigezhongyaozuchengbufen，duiyuxihuanwanyouxihecongshizhuanyetuxingshejiderenlaishuoxiandefeichangzhongyao。
dulixiankadeyoudian：danduanzhuangyouxiancun，yibanbuzhanyongxitongneicun，zaijishushangyejiaojichengxiankaxianjindeduo，bijichengxiankanenggoudedaogenghaodexianshixiaoguohexingneng，rongyijinxingxiankadeyingjianshengji。quedian：xitonggonghaoyousuojiada，fareliangyejiaoda，xuewaihuafeigoumaixiankadezijin，tongshi（tebieshiduishoutidiannao）zhanyonggengduokongjian。
dulixiankayujichengxiankaduibi
jiandandelaishuodulixiankakeyishengji，jiushishuomaidedulixiankayongzheyongzheganjuegenbushangzhuliudeyouxile，keyizaiqumaiyikuaigenggaoduandehuanshang，erjichengxiankazewufashengji，dangganjuewanyouxihenkadeshihou，yemeibanfaqugenghuanjichengxianka，zheizhishilongtongdeshuofa。
xiangxidequbiejiushi，dulixiankadexingnengshihenqiangdade，youzhehenduojichengxiankameiyoudedongxizuijichudejiushisanreqi，jichengxiankazaichulidaxing3dyouxideshihouhaogonghenda，reliangyeda，erdulixiankayousanreqi，jiunenghenhaodefahuitadexingneng，shenzhichaopin，erjichengxiankazemeiyousanreqi，yinweijichengxiankashijichengzaidiannaozhubanneibude，zaichulitongyangdedaxing3dyouxideshihou，tadereliangdadaoleyidingdewenduhou，huichuxianxuduorangrenyumendeqingkuangde。
zheizhishizuijibendequbie，xiangxidejiushitamendexiancun，xiancunkuanwei，liuchuliqi，caiyongdegpuxinpianzu，xianshipinlv，hexinpinlvdengdoubuyiyang，xiangduidelaishuodulixiankaduiyouxihuogaoqing3dxuanrandengyixieyingshidongmanyouxizhizuoyouzhegengdadefahuikongjian，erjichengxiankazewufadadaodulixiankadechengdu。
congxingnenggonghaoshuo，jichengxiankadetedianshixingnengyiban，danjibennengmanzuyixierichangyingyong，farelianghehaodianliangxiangduiyudulixiankalaishuojiaodi。dulixiankadexingnengsuiqiang，danfarelianghegonghaobijiaogao。zai3dxingnengfangmiandulixiankayaoyouyujichengxianka。
gengduoguanzhuweixingongzhonghao：jiuwenwang
