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Product comparison · 2 toner cartridges

HP 51A Black Original LaserJet Toner Cartridge vs HP 645A Black Original LaserJet Toner Cartridge

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  • 41specifications compared
  • 24differ
  • 17identical
  • 5known for one product only

Key differences

The HP 645A Black Original LaserJet Toner Cartridge has 6,500 pages more black toner page yield than the HP 51A Black Original LaserJet Toner Cartridge (13000 pages vs 6500 pages). The HP 51A Black Original LaserJet Toner Cartridge has 8% more overall recycled content than the HP 645A Black Original LaserJet Toner Cartridge (25% vs 17%). The HP 645A Black Original LaserJet Toner Cartridge has 10 - 80% more operating relative humidity (H-H) than the HP 51A Black Original LaserJet Toner Cartridge (20 - 80% vs 10 - 80%). Compatibility: HP 51 toner cartridges work with: on the HP 51A Black Original LaserJet Toner Cartridge, HP 645 toner cartridges work with: on the HP 645A Black Original LaserJet Toner Cartridge. OEM code: Q7551A on the HP 51A Black Original LaserJet Toner Cartridge, C9730A on the HP 645A Black Original LaserJet Toner Cartridge.

  • Black toner page yield
    • 6500 pages
    • 13000 pages
  • OEM code
    • Q7551A
    • C9730A
  • Overall recycled content
    • 25%
    • 17%
  • Operating relative humidity (H-H)
    • 10 - 80%
    • 20 - 80%
  • Operating temperature (T-T)
    • 15 - 32.5 °C
    • 15 - 25 °C
  • Width
    • 388 mm
    • 500 mm
  • Depth
    • 165 mm
    • 160 mm
  • Height
    • 244 mm
    • 265 mm

Side by side

Differences highlightedShow differences only
46 specifications
A

HP

51A Black Original LaserJet Toner CartridgeView product
B

HP

645A Black Original LaserJet Toner CartridgeView product
Features4 differ
CompatibilityDiffersHP 51 toner cartridges work with:HP 645 toner cartridges work with:
Black toner page yieldDiffers6500 pages13000 pages
OEM codeDiffersQ7551AC9730A
Overall recycled contentDiffers25%17%
HP segmentKnown for oneHome
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 80%20 - 80%
Operating temperature (T-T)Differs15 - 32.5 °C15 - 25 °C
Weight & dimensions4 differ
WidthDiffers388 mm500 mm
DepthDiffers165 mm160 mm
HeightDiffers244 mm265 mm
WeightDiffers1.3 kg2.3 kg
Packaging data4 differ
Package widthDiffers388 mm500 mm
Package depthDiffers165 mm160 mm
Package heightDiffers244 mm265 mm
Package weightDiffers1.9 kg2.9 kg
Package typeKnown for oneBox
Sustainabilityidentical
Total carbon footprint (kg of CO2e)Known for one11.6
Brand-specific features1 differ
HP GTIN (EAN/UPC)Differs882780389052088698445402
Logistics data9 differ
Master (outer) cases per pallet layerDiffers18 pc(s)14 pc(s)
Master (outer) cases per pallet layer (EU)Differs14 pc(s)11 pc(s)
Master (outer) cases per palletDiffers72 pc(s)56 pc(s)
Products per palletDiffers72 pc(s)56 pc(s)
Products per pallet (EU)Differs56 pc(s)33 pc(s)
Pallet gross weightDiffers157 kg182.6 kg
Pallet weight (EU)Differs131 kg121 kg
Pallet dimensions (W x D x H)Differs1175 x 1000 x 1118 mm1120 x 1000 x 1198 mm
Pallet dimensions (W x D x H) (imperial)Known for one1120.1 x 1000.8 x 1198.9 mm (44.1 x 39.4 x 47.2")
Pallet size (EU)Differs1170 x 800 x 1129 mm1160 x 800 x 944 mm
Pallet weight (imperial)Known for one182.8 kg (403 lbs)

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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