01 / What We Measured
Throughput matters, but only when the rest of the layout holds up.
We tracked throughput, belt saturation, power draw, and footprint because a fast layout that starves belts, spikes power, or sprawls across half the map is not actually efficient. For each comparison, the useful question is whether the optimized design moves more items with less friction once the block is fully settled.
Read the table row by row. Higher throughput and higher saturation are better. Lower power draw is better. Footprint helps explain whether a design is compact because it is clean or compact because it hides a future bottleneck somewhere else.
Throughput
items/sec and items/min
The useful output once the line settles, not the burst you see during startup buffering.
Belt saturation
steady-state compression
How much of the output belt stays filled after the design reaches equilibrium.
Power draw
peak MW under load
Helps compare layouts that hit the same recipe goal but spend different amounts of electricity to do it.
Footprint
placed tiles
Useful when judging whether a cleaner ratio actually saves build area or just hides the cost off-screen.
02 / Comparison Table
Typical builds leave a surprising amount of output on the table.
Typical design values below represent realistic same-tier player layouts with valid ratios, but weaker belt balancing, less reliable inserter timing, and more idle machine time than the Factorex versions.
| Blueprint Type | Metric | Typical Design | Factorex Optimized | Improvement |
|---|---|---|---|---|
| Iron Smelting Array | Items / sec | 9.8/sec | 15.0/sec | +53% |
| Iron Smelting Array | Belt saturation | 66% | 100% | +34pp |
| Green Circuit Factory | Items / sec | 11.8/sec | 20.0/sec | +69% |
| Green Circuit Factory | Power draw | 11.1 MW | 9.4 MW | -15% |
| Red + Green Science | Items / sec | 1.5/sec | 2.4/sec | +60% |
| Train Station | Throughput | 6,600 items/min | 10,800 items/min | +64% |
Iron Smelting Array
792 tiles
24-furnace yellow-belt plate line
Green Circuit Factory
1,728 tiles
mirrored cable subblocks with module gaps
Red + Green Science
1,728 tiles
shared-input science duplex
Train Station
3,456 tiles
1-4 loader with balanced wagon modules
03 / Why The Gap Exists
The difference is usually math and timing, not magic.
The first gap is ratio math. A lot of player-built blueprints are close enough to work, but "close enough" means some assemblers or furnaces spend part of every cycle waiting on one missing input. Once the ratios are locked to recipe times and belt lane limits, the whole block settles into a repeatable cadence instead of drifting between bursts and stalls.
The second gap is belt and balancer placement. Balancers are useful, but only when they sit at the actual contention point. Put them too early and you add distance without solving starvation. Put them too late and one side of the build still runs lean. Factorex layouts keep the split, merge, and lane swap steps close to the machines that need them, which is why saturation stays high deeper into the block.
The last gains come from module planning and inserter swing timing. If modules, beacons, and pickup distances are treated as afterthoughts, you get short dead periods where inserters rotate, belts desync, and expensive machines idle. When the geometry is laid out around those timings from the start, power draw drops, throughput rises, and the blueprint scales more predictably when you stamp it again elsewhere.
04 / Free Sample
Test it yourself — download our free iron smelting array blueprint
This is the same 24-furnace iron smelting array used in the benchmark table above. Copy the string, import it into Factorio, and compare it directly against the iron line you already use.
24-Furnace Iron Smelting Array
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Open the benchmark pack checkout.
The benchmarked layouts come from the same sellable packs on the site, with the blueprint string, setup notes, and pack-level metrics ready to import immediately.
Secure Stripe checkout opens with both Factorex offers selected by default ($34.97 + $9.97 = $44.94). Set the offer you do not want to 0 before you pay.