Memory Bandwidth Charts

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

(MHz)
Memory Bus (bit)
DDR2/3GDDR4GDDR5GDDR5X/6HBM1HBM26412825638451210244096
× 2× 2× 4× 8× 2× 4Maximum Memory Bandwidth (GB/s)
5005002501255002501000816324864128512
60060030015060030012001019385877154614
70070035017570035014001122456790179717
800800400200800400160013265177102205819
900900450225900450180014295886115230922
1000100050025010005002000163264961282561024
11001100550275110055022001835701061412821126
12001200600300120060024001938771151543071229
13001300650325130065026002142831251663331331
14001400700350140070028002245901341793581434
15001500750375150075030002448961441923841536
160016008004001600800320026511021542054101638
170017008504251700850340027541091632184351741
180018009004501800900360029581151732304611843
190019009504751900950380030611221822434861946
20002000100050020001000400032641281922565122048
21002100105052521001050420034671342022695382150
22002200110055022001100440035701412112825632253
23002300115057523001150460037741472212945892355
24002400120060024001200480038771542303076142458
25002500125062525001250500040801602403206402560
26002600130065026001300520042831662503336662662
27002700135067527001350540043861732593466912765
28002800140070028001400560045901792693587172867
29002900145072529001450580046931862783717422970
30003000150075030001500600048961922883847683072
31003100155077531001550620050991982983977943174
320032001600800320016006400511022053074108193277
330033001650825330016506600531062113174228453379
340034001700850340017006800541092183264358703482
350035001750875350017507000561122243364488963584
360036001800900360018007200581152303464619223686
370037001850925370018507400591182373554749473789
380038001900950380019007600611222433654869733891
390039001950975390019507800621252503744999983994
40004000200010004000200080006412825638451210244096
41004100205010254100205082006613126239452510504198
42004200210010504200210084006713426940353810754301
43004300215010754300215086006913827541355011014403
44004400220011004400220088007014128242256311264506
45004500225011254500225090007214428843257611524608
46004600230011504600230092007414729444258911784710
47004700235011754700235094007515030145160212034813
48004800240012004800240096007715430746161412294915
49004900245012254900245098007815731447062712545018
500050002500125050002500100008016032048064012805120
510051002550127551002550102008216332649065313065222
520052002600130052002600104008316633349966613315325
530053002650132553002650106008517033950967813575427
540054002700135054002700108008617334651869113825530
550055002750137555002750110008817635252870414085632
560056002800140056002800112009017935853871714345734
570057002850142557002850114009118236554773014595837
580058002900145058002900116009318637155774214855939
590059002950147559002950118009418937856675515106042
600060003000150060003000120009619238457676815366144
610061003050152561003050122009819539058678115626246
620062003100155062003100124009919839759579415876349
6300630031501575630031501260010120240360580616136451
6400640032001600640032001280010220541061481916386554
6500650032501625650032501300010420841662483216646656
6600660033001650660033001320010621142263484516906758
6700670033501675670033501340010721442964385817156861
6800680034001700680034001360010921843565387017416963
6900690034501725690034501380011022144266288317667066
7000700035001750700035001400011222444867289617927168
7100710035501775710035501420011422745468290918187270
7200720036001800720036001440011523046169192218437373
7300730036501825730036501460011723446770193418697475
7400740037001850740037001480011823747471094718947578
7500750037501875750037501500012024048072096019207680
7600760038001900760038001520012224348673097319467782
7700770038501925770038501540012324649373998619717885
7800780039001950780039001560012525049974999819977987
79007900395019757900395015800126253506758101120228090
80008000400020008000400016000128256512768102420488192