ATI Mobility Radeon HD 4870 in the Alienware M17x is GDDR3 instead of GDDR5

It seemed some kind of typo because in some countries it was stated as being GDDR3 and in some others as GDDR5, but at the moment all the users that have got their M17x with CrossFireX 4870s have GDDR3 modules on it.

Performance data is very scarce at the moment, but it seems that the performance of the 4870 GDDR3 CrossFireX is very close to that of the GTX 280M SLI. If the ATI configuration is cheaper than the Nvidia one in your country, that’s OK.

Update: Dell has confirmed they are GDDR3. GDDR5 memory seems to generate too much heat.

Related posts:

  1. Finally! Alienware M17x available with ATI Mobility Radeon HD 5870 CrossFireX
  2. Dell Latitude Z600 with wireless dock and charger, HP Envy 13 reviewed, Alienware M17x gets Mobility 4870, ATI Radeon HD 5850 reviewed
  3. Laptop benchmarks: GeForce GTX 285M SLI vs Mobility Radeon HD 4870 CrossFireX (Clevo vs Alienware)
  4. Alienware news: M17 updated with ATI Mobility Radeon HD 4850 CrossFireX, M17x reviewed
  5. ATI Mobility Radeon HD 4830 and 4860 are first 40 nm graphics cards

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