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Product comparison · 2 multifunction printers

HP ENVY 121 Thermal inkjet A4 vs HP Photosmart 6521 Thermal inkjet A4

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  • 74specifications compared
  • 27differ
  • 47identical
  • 35known for one product only

Key differences

  • Print speed (black, normal quality, A4/US Letter)
    • 7 ppm
    • 11 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 4 ppm
    • 8 ppm
  • Print speed (black, draft quality, A4/US Letter)
    • 28 ppm
    • 22 ppm
  • Print speed (colour, draft quality, A4/US Letter)
    • 23 ppm
    • 22 ppm
  • Copy speed (black, normal quality, A4)
    • 6 cpm
    • 6.5 cpm
  • Copy speed (colour, normal quality, A4)
    • 3.5 cpm
    • 5.5 cpm
  • Copier resize
    • 50 - 400%
    • 25 - 400%
  • Optical scanning resolution
    • 1200 x 1200 DPI
    • 1200 x 2400 DPI

Side by side

Differences highlightedShow differences only
109 specifications
A

HP

ENVY 121 Thermal inkjet A4

Model 121

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B

HP

Photosmart 6521 Thermal inkjet A4

Model 6521

View product
Printing4 differ
Print speed (black, normal quality, A4/US Letter)Differs7 ppm11 ppm
Print speed (colour, normal quality, A4/US Letter)Differs4 ppm8 ppm
Print speed (black, draft quality, A4/US Letter)Differs28 ppm22 ppm
Print speed (colour, draft quality, A4/US Letter)Differs23 ppm22 ppm
Print resolution blackKnown for one1200 x 600 DPI
Copying3 differ
Copy speed (black, normal quality, A4)Differs6 cpm6.5 cpm
Copy speed (colour, normal quality, A4)Differs3.5 cpm5.5 cpm
Copy speed (black, draft, A4)Known for one28 cpm
Copy speed (colour, draft, A4)Known for one23 cpm
Copier resizeDiffers50 - 400%25 - 400%
Maximum copy resolutionKnown for one600 x 600 DPI
Scanning1 differ
Optical scanning resolutionDiffers1200 x 1200 DPI1200 x 2400 DPI
Scan toKnown for oneE-mail, Memory card
Output colour depthKnown for one24 bit
Features1 differ
Digital senderKnown for oneNo
Number of print cartridgesDiffers24
HP segmentKnown for oneHome
Input & output capacity1 differ
Total number of input traysKnown for one1
Total output capacityDiffers25 sheets20 sheets
Paper input typeKnown for onePaper tray
Maximum number of input traysKnown for one1
Maximum input capacityKnown for one80 sheets
Maximum output capacityKnown for one25 sheets
Paper handling2 differ
Paper tray media typesDiffersCard stock, Envelopes, Iron-On Transfers, Labels, Photo paper, Plain paper, TransparenciesCard stock, Envelopes, Labels, Photo paper, Plain paper, Transparencies
ISO C-series sizes (C0...C9)Known for oneC6
JIS B-series sizes (B0...B9)Known for oneB5
Envelopes sizesDiffers6 3/4, 10, C5, C6, DL, Monarch10, DL
Borderless printing media sizesKnown for oneA4
Paper tray media weightKnown for one75 - 300 g/m²
Multi-purpose tray media typesKnown for oneEnvelopes, Legal, Letter
Photo paper sizesKnown for one10x15 cm
Photo paper sizes (imperial)Known for one4x6,5x7,8x10
Ports & interfacesidentical
Direct printingKnown for oneYes
USB 2.0 ports quantityKnown for one1
Network1 differ
Mobile printing technologiesDiffersApple AirPrint, HP ePrint, Mopria Print ServiceApple AirPrint, HP Auto Wireless Connect, HP ePrint
Performance1 differ
Internal memoryDiffers512 MB128 MB
Maximum internal memoryKnown for one128 MB
Memory slotsKnown for one1
Design1 differ
Display diagonalDiffers11 cm (4.33")8.76 cm (3.45")
Power3 differ
Power consumption (max)Known for one26 W
Power consumption (average operating)Known for one23 W
Power consumption (copying)Known for one26 W
Power consumption (standby)Differs7.1 W4.8 W
Power consumption (sleep)Differs3.5 W1.4 W
Power consumption (off)Differs0.53 W0.11 W
Power consumption (printing)Known for one18 W
System requirements1 differ
Windows operating systems supportedDiffersWindows 10, Windows 7, Windows 8, Windows 8.1, Windows VistaWindows 7, Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate, Windows 8, Windows 8 Enterprise, Windows 8 Pro, Windows Vista, Windows Vista Business, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home
Operational conditions2 differ
Operating relative humidity (H-H)Differs25 - 75%20 - 80%
Storage relative humidity (H-H)Differs5 - 90%10 - 90%
Weight & dimensions4 differ
WidthDiffers429 mm440 mm
DepthDiffers336 mm552 mm
HeightDiffers110 mm160 mm
WeightDiffers7.98 kg6.2 kg
Packaging data2 differ
Package widthKnown for one495 mm
Package depthKnown for one467 mm
Package heightDiffers157 mm468 mm
Package weightDiffers9.3 kg7.77 kg
Packaging contentidentical
Cartridge(s) includedKnown for oneYes
Drivers includedKnown for oneYes
ManualKnown for oneYes
Warranty cardKnown for oneYes
Other featuresidentical
Software CDKnown for oneYes

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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