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ERC721 Benchmark

Benchmarks for implementations of the ERC20 standard.

The most popular way of implementing ERC721 is by having sequential ids for each token, so if a collection has 10000 tokens, the ids of each token are in the range 1~10000. Some of the latest implementations focus on making mint cheaper at the cost of an expensive transfer, this bechmark highlights that.

We'll be comparing the following implementations:

Methods TODO

  • deploy
  • mint (not in the specification, but common)
  • safeMint (not in the specification, but common)
  • burn (not in the specification, but common)
  • balanceOf
  • ownerOf
  • transferFrom
  • safeTransferFrom
  • approve
  • setApprovalForAll
  • getApproved
  • isApprovedForAll

Deployment

How much gas to deploy the contract as is?

Implementation --
ERC721A 954720
ERC721B 967479
ERC721K 1060730
OpenZeppelin Consecutive 1123404
OpenZeppelin Enumerable 1171505
OpenZeppelin 965879
Solady 640268
Solmate 910361

Deployment with ERC2309 minting

How much gas to deploy the ERC2309 compliant contracts when minting N tokens in the constructor?

Implementation 5 10 50 100 200 300
ERC721A 831018 831017 831040 831050 831084 831062
OpenZeppelin Consecutive 1074653 1074652 1074675 1074685 1074719 1074697

Write methods

mint

How much gas to mint N tokens?

Implementation 1 2 3 4 5 10 50 100
ERC721A 57009 59007 60995 62993 64883 74802 153398 251741
ERC721B 52140 54377 56604 58841 60970 72084 160240 270533
ERC721K 57279 59305 61321 63347 65265 75324 155040 254783
OpenZeppelin Consecutive 79517 105510 131493 157486 183371 313265 1351661 2649754
OpenZeppelin Enumerable 146258 260848 375428 490018 604500 1177379 5759655 11487598
OpenZeppelin 74572 99620 124658 149706 174646 299815 1300411 2551254
Solady 74127 98733 123329 147935 172433 295392 1278308 2507051
Solmate 74359 99194 124019 148854 173581 297685 1289761 2529954

safeMint

How much gas to safeMint N tokens?

Implementation 1 2 3 4 5 10 50 100
ERC721A 59812 61711 63721 65697 67697 77461 156102 254369
ERC721B 55141 57279 59528 61743 63982 74941 163142 273359
ERC721K 60023 61950 63988 65992 68020 77924 157685 257352
OpenZeppelin Consecutive 82453 108637 134932 161193 187478 318667 1368713 2681246
OpenZeppelin Enumerable 149083 263864 378756 493614 608496 1182670 5776596 11518979
OpenZeppelin 77508 102747 128097 153413 178753 305217 1317463 2582746
Solady 77001 101736 126582 151394 176230 300174 1292260 2532343
Solmate 77191 102116 127152 152154 177180 302074 1301755 2551322

burn

How much gas to burn the nth token?

Implementation 1 10 50 100
ERC721A 69586 106655 195194 305849
ERC721B 8238 8281 8260 8215
ERC721K 72586 111121 206266 325257
OpenZeppelin Consecutive 21167 21210 21189 21144
OpenZeppelin Enumerable 47549 52064 52047 52011
OpenZeppelin 18518 18561 18540 18495
Solady 18133 18176 18155 18110
Solmate 18144 18187 18166 18121

transferFrom

How much gas to transfer the nth token id if you own all tokens from 1 to 100?

To a wallet that already owns a token from the collection

Implementation 1 10 50 100
ERC721A 52969 90017 178578 289256
ERC721B 295145 273900 179381 44109
ERC721K 55971 94485 189652 308666
OpenZeppelin Consecutive 29239 29261 29262 29240
OpenZeppelin Enumerable 80428 68150 68151 68129
OpenZeppelin 28926 28948 28949 28927
Solady 27951 27973 27974 27952
Solmate 28369 28391 28392 28370

To a wallet that owns no token from the collection

Implementation 1 10 50 100
ERC721A 70047 107095 195656 306378
ERC721B 295123 273878 179359 44131
ERC721K 73049 111563 206730 325788
OpenZeppelin Consecutive 46317 46339 46340 46362
OpenZeppelin Enumerable 77606 80428 80429 80451
OpenZeppelin 46004 46026 46027 46049
Solady 45029 45051 45052 45074
Solmate 45447 45469 45470 45492

safeTransferFrom

How much gas to transfer the nth token id if you own all tokens from 1 to 100?

To a wallet that already owns a token from the collection

Implementation 1 10 50 100
ERC721A 55772 92821 181336 292037
ERC721B 297999 276755 182190 46941
ERC721K 58758 97273 192394 311432
OpenZeppelin Consecutive 32086 32109 32064 32065
OpenZeppelin Enumerable 83297 71020 70975 70976
OpenZeppelin 31773 31796 31751 31752
Solady 30654 30677 30632 30633
Solmate 31107 31130 31085 31086

To a wallet that owns no token from the collection

Implementation 1 10 50 100
ERC721A 72850 109899 198481 309158
ERC721B 297977 276733 182235 46962
ERC721K 75836 114351 209539 328553
OpenZeppelin Consecutive 49164 49187 49209 49186
OpenZeppelin Enumerable 80475 83298 83320 83297
OpenZeppelin 48851 48874 48896 48873
Solady 47732 47755 47777 47754
Solmate 48185 48208 48230 48207

setApprovalForAll

How much gas for setApprovalForAll?

Implementation --
ERC721A 32550
ERC721B 32590
ERC721K 32590
OpenZeppelin Consecutive 32602
OpenZeppelin Enumerable 32624
OpenZeppelin 32602
Solady 32391
Solmate 32528

approve

How much gas to approve the nth token id if you own all tokens from 1 to 100?

Implementation 1 10 50 100
ERC721A 37089 56992 145530 256253
ERC721B 271508 250218 155676 37549
ERC721K 37494 58863 154007 273066
OpenZeppelin Consecutive 35288 35265 35243 35266
OpenZeppelin Enumerable 35163 35140 35118 35141
OpenZeppelin 35163 35140 35118 35141
Solady 34768 34745 34723 34746
Solmate 34829 34806 34784 34807

View methods

balanceOf

How much gas to run balanceOf in an account with N tokens.

Implementation 1 10 50 100
ERC721A 7868 7802 7847 7814
ERC721B 2738097 2738166 2738811 2739528
ERC721K 7868 7802 7847 7814
OpenZeppelin Consecutive 7840 7774 7819 7786
OpenZeppelin Enumerable 7884 7818 7863 7830
OpenZeppelin 7840 7774 7819 7786
Solady 7815 7749 7794 7761
Solmate 7840 7774 7819 7786

ownerOf

How much gas to find the owner of a token when the owner owns 100 tokens and the token to find is the nth token.

Implementation 1 10 50 100
ERC721A 9965 29936 118495 229141
ERC721B 244297 223075 128554 10350
ERC721K 10219 31656 126821 245804
OpenZeppelin Consecutive 7887 7932 7931 7877
OpenZeppelin Enumerable 7806 7851 7850 7796
OpenZeppelin 7762 7807 7806 7752
Solady 7732 7777 7776 7722
Solmate 7720 7765 7764 7710

getApproved

How much gas to find the approved address of the nth token when the onwer owns 100 tokens and there are no approved addresses.

Implementation 1 10 50 100
ERC721A 10010 29913 118495 229163
ERC721B 244342 223052 128554 10372
ERC721K 10264 31633 126821 245826
OpenZeppelin Consecutive 7932 7909 7931 7899
OpenZeppelin Enumerable 7851 7828 7850 7818
OpenZeppelin 7807 7784 7806 7774
Solady 7777 7754 7776 7744
Solmate 7765 7742 7764 7732

isApprovedForAll

How much gas to check if an address is allowed to control another's nfts.

Implementation --
ERC721A 8039
ERC721B 8051
ERC721K 8006
OpenZeppelin Consecutive 8029
OpenZeppelin Enumerable 8051
OpenZeppelin 8029
Solady 7906
Solmate 7984