Memory Bandwidth Charts


Memory Bandwidth Charts
Theoretical Memory Clock (MHz)EFFECTIVE
MEMORY
CLOCK

(MHz)
Memory Bus (bit)
DDR2/3GDDR4GDDR5GDDR5XHBM1HBM212825638451264076889610244096
× 2× 2× 4× 8× 2× 4Maximum Memory Bandwidth (GB/s)
5005002501255002501000163248648096112128512
60060030015060030012001938587796115134154614
700700350175700350140022456790112134157179717
8008004002008004001600265177102128154179205819
9009004502259004501800295886115144173202230922
10001000500250100050020003264961281601922242561024
110011005502751100550220035701061411762112462821126
120012006003001200600240038771151541922302693071229
130013006503251300650260042831251662082502913331331
140014007003501400700280045901341792242693143581434
150015007503751500750300048961441922402883363841536
1600160080040016008003200511021542052563073584101638
1700170085042517008503400541091632182723263814351741
1800180090045018009003600581151732302883464034611843
1900190095047519009503800611221822433043654264861946
200020001000500200010004000641281922563203844485122048
210021001050525210010504200671342022693364034705382150
220022001100550220011004400701412112823524224935632253
230023001150575230011504600741472212943684425155892355
240024001200600240012004800771542303073844615386142458
250025001250625250012505000801602403204004805606402560
260026001300650260013005200831662503334164995826662662
270027001350675270013505400861732593464325186056912765
280028001400700280014005600901792693584485386277172867
290029001450725290014505800931862783714645576507422970
300030001500750300015006000961922883844805766727683072
310031001550775310015506200991982983974965956947943174
3200320016008003200160064001022053074105126147178193277
3300330016508253300165066001062113174225286347398453379
3400340017008503400170068001092183264355446537628703482
3500350017508753500175070001122243364485606727848963584
3600360018009003600180072001152303464615766918069223686
3700370018509253700185074001182373554745927108299473789
3800380019009503800190076001222433654866087308519733891
3900390019509753900195078001252503744996247498749983994
400040002000100040002000800012825638451264076889610244096
410041002050102541002050820013126239452565678791810504198
420042002100105042002100840013426940353867280694110754301
430043002150107543002150860013827541355068882696311014403
440044002200110044002200880014128242256370484598611264506
4500450022501125450022509000144288432576720864100811524608
4600460023001150460023009200147294442589736883103011784710
4700470023501175470023509400150301451602752902105312034813
4800480024001200480024009600154307461614768922107512294915
4900490024501225490024509800157314470627784941109812545018
50005000250012505000250010000160320480640800960112012805120
51005100255012755100255010200163326490653816979114213065222
52005200260013005200260010400166333499666832998116513315325
530053002650132553002650106001703395096788481018118713575427
540054002700135054002700108001733465186918641037121013825530
550055002750137555002750110001763525287048801056123214085632
560056002800140056002800112001793585387178961075125414345734
570057002850142557002850114001823655477309121094127714595837
580058002900145058002900116001863715577429281114129914855939
590059002950147559002950118001893785667559441133132215106042
600060003000150060003000120001923845767689601152134415366144
610061003050152561003050122001953905867819761171136615626246
620062003100155062003100124001983975957949921190138915876349
6300630031501575630031501260020240360580610081210141116136451
6400640032001600640032001280020541061481910241229143416386554
6500650032501625650032501300020841662483210401248145616646656
6600660033001650660033001320021142263484510561267147816906758
6700670033501675670033501340021442964385810721286150117156861
6800680034001700680034001360021843565387010881306152317416963
6900690034501725690034501380022144266288311041325154617667066
7000700035001750700035001400022444867289611201344156817927168
7100710035501775710035501420022745468290911361363159018187270
7200720036001800720036001440023046169192211521382161318437373
7300730036501825730036501460023446770193411681402163518697475
7400740037001850740037001480023747471094711841421165818947578
7500750037501875750037501500024048072096012001440168019207680
7600760038001900760038001520024348673097312161459170219467782
7700770038501925770038501540024649373998612321478172519717885
7800780039001950780039001560025049974999812481498174719977987
79007900395019757900395015800253506758101112641517177020228090
80008000400020008000400016000256512768102412801536179220488192