The correlation between Cost and gpm is 0.66. The more Cost, the more gpm, and vice versa. But some values are higher than expected, some are lower. Efficiency is a difference between the value of gpm depending on Cost (blue dots) with respect to the expected value (red line).
| Efficiency | |
|---|---|
| Boots Of Travel 2 | 144.4912 |
| Swift Blink | 115.9951 |
| Satanic | 112.8539 |
| Power Treads | 108.4335 |
| Butterfly | 107.4098 |
| Bottle | 101.8182 |
| Nullifier | 95.9416 |
| Wraith Band | 94.7886 |
| Battle Fury | 90.3068 |
| Mask Of Madness | 89.1371 |
| Boots Of Travel | 87.3558 |
| Eye Of Skadi | 84.3626 |
| Falcon Blade | 80.1124 |
| Monkey King Bar | 74.9798 |
| Skull Basher | 69.3630 |
| Orb Of Corrosion | 66.4251 |
| Manta Style | 65.7506 |
| Desolator | 65.7487 |
| Phase Boots | 65.6127 |
| Hand Of Midas | 64.1433 |
| Disperser | 63.9794 |
| Abyssal Blade | 61.2541 |
| Sange And Yasha | 55.7666 |
| Diffusal Blade | 55.6058 |
| Aghanim'S Shard | 53.8135 |
| Mjollnir | 52.7434 |
| Daedalus | 52.6804 |
| Moon Shard | 49.8437 |
| Dragon Lance | 48.7624 |
| Soul Ring | 46.6608 |
| Armlet Of Mordiggian | 45.6127 |
| Black King Bar | 40.6300 |
| Radiance | 38.9039 |
| Harpoon | 38.5012 |
| Revenant'S Brooch | 33.8371 |
| Mage Slayer | 33.3058 |
| Bracer | 31.7986 |
| Linken'S Sphere | 31.2706 |
| Crystalys | 31.0751 |
| Hurricane Pike | 29.5020 |
| Blade Mail | 28.1950 |
| Assault Cuirass | 26.9786 |
| Witch Blade | 24.0593 |
| Silver Edge | 23.9226 |
| Kaya And Sange | 23.1266 |
| Arcane Blink | 16.9151 |
| Echo Sabre | 16.4158 |
| Magic Wand | 14.5359 |
| Bloodstone | 12.8831 |
| Bloodthorn | 9.4753 |
| Heart Of Tarrasque | 9.3111 |
| Eternal Shroud | 9.1060 |
| Shiva'S Guard | 9.0947 |
| Aghanim'S Blessing | 6.9044 |
| Null Talisman | 1.7786 |
| Vanguard | 1.4049 |
| Maelstrom | -1.2060 |
| Overwhelming Blink | -1.2149 |
| Octarine Core | -1.3394 |
| Blink Dagger | -4.3021 |
| Yasha And Kaya | -11.3834 |
| Aghanim'S Scepter | -14.8692 |
| Scythe Of Vyse | -15.0806 |
| Orchid Malevolence | -15.3677 |
| Phylactery | -21.5991 |
| Refresher Orb | -24.7589 |
| Heaven'S Halberd | -25.5283 |
| Crimson Guard | -31.0901 |
| Meteor Hammer | -33.8663 |
| Shadow Blade | -36.8939 |
| Ethereal Blade | -37.6192 |
| Helm Of The Dominator | -48.7871 |
| Veil Of Discord | -55.3673 |
| Lotus Orb | -55.3732 |
| Arcane Boots | -55.8044 |
| Wind Waker | -56.9177 |
| Pipe Of Insight | -59.3625 |
| Solar Crest | -60.0234 |
| Urn Of Shadows | -61.9913 |
| Vladmir'S Offering | -62.7204 |
| Eul'S Scepter Of Divinity | -62.7921 |
| Gleipnir | -63.0331 |
| Medallion Of Courage | -63.4619 |
| Dagon | -64.2914 |
| Tranquil Boots | -68.3049 |
| Aether Lens | -69.3497 |
| Spirit Vessel | -70.9878 |
| Aeon Disk | -74.7139 |
| Drum Of Endurance | -86.5851 |
| Pavise | -91.3165 |
| Helm Of The Overlord | -94.9687 |
| Glimmer Cape | -96.8810 |
| Force Staff | -96.9667 |
| Dagon (2) | -101.8863 |
| Rod Of Atos | -108.3981 |
| Boots Of Bearing | -113.0727 |
| Mekansm | -118.7429 |
| Holy Locket | -118.8563 |
| Dagon (3) | -127.9296 |
| Dagon (5) | -135.0818 |
| Guardian Greaves | -139.4461 |
| Dagon (4) | -155.1515 |