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Samsung SGH-X640 Rivals and Competitors

Phone RivalsClick on a rival to jump to it.


Common for both Pros & Cons

  • Lacks microSD slot for storage expansion
  • Thick body (0.91 inches inches vs 0.78 inches inches)
  • Does not support automatic screen brightness

in-depth comparison



Samsung SGH-X640 Samsung SGH-X640


  • Lacks microSD slot for storage expansion
  • Thick body (0.91 inches inches)

Alcatel OT-385 Alcatel OT-385


  • Hardware QWERTY keyboard

Common for both Pros & Cons

  • Does not support automatic screen brightness

in-depth comparison



Siemens SL75 Siemens SL75


  • Lacks Wi-Fi
  • The camera lacks autofocus

Common for both Pros & Cons

  • Lacks microSD slot for storage expansion
  • Thick body (0.91 inches inches vs 0.90 inches inches)
  • Does not support automatic screen brightness

in-depth comparison



Samsung SGH-X640 Samsung SGH-X640


  • Lacks microSD slot for storage expansion
  • Thick body (0.91 inches inches)

Samsung SGH-F330 Samsung SGH-F330


  • Small dimensions (4.05 x 1.88 x 0.53 inches)

Common for both Pros & Cons

  • Does not support automatic screen brightness

in-depth comparison



Samsung SGH-X640 Samsung SGH-X640


  • Lacks microSD slot for storage expansion

Samsung E2370 Samsung E2370


  • Rugged phone

Common for both Pros & Cons

  • Thick body (0.91 inches inches vs 0.75 inches inches)
  • Does not support automatic screen brightness

in-depth comparison



Samsung SGH-X640 Samsung SGH-X640


  • Thick body (0.91 inches inches)
  • Does not support automatic screen brightness

Nokia Lumia 510 Nokia Lumia 510


  • The camera lacks flash
  • No front-facing camera
  • Too little RAM memory (0.25 GB RAM)
  • Single-core processor
  • Low pixel density screen (233 ppi)
  • Low-resolution camera (5 megapixels)

Common for both Pros & Cons

  • Lacks microSD slot for storage expansion

in-depth comparison



Sony Ericsson Z800 Sony Ericsson Z800


  • Does not support fast data speeds (UMTS)

Common for both Pros & Cons

  • Lacks microSD slot for storage expansion
  • Thick body (0.91 inches inches vs 0.90 inches inches)
  • Does not support automatic screen brightness

in-depth comparison



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