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PowerColor Radeon R9 290X DirectX 11.2 AXR9 290X 4GBD5-MDHG/OC 4GB 512-Bit GDDR5 PCI Express 3.0 CrossFireX Support OC Video Card
  • Verified Owner
  • neweggOwned For: 1 day to 1 week

Pros: Very good hashing I am able to achieve 980Kh/s hashing power with CORE:1000 Memory: 1400 I=22 with custom firmware below: (DPM7 - 1.2125V)
Card comes with Epida memory which by itself not the best.

Hashing above 1000 is possible but higher voltage would be necessary to prevent card from being sick.

Cons: The AMD reference design of stock cooler is horrific. I can't ran the card at 99% load for more than 5min fan being 65% sounding like a jet engine and temperature exceeding 92C!!!

The cooling solution design is extremely poor. I'm forced to keep this card sitting idle because new egg doesn't except returns for this hardware, exchange only.

SAPPHIRE Radeon R9 280X DirectX 11.2 100363L 3GB 384-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
  • Verified Owner
  • neweggOwned For: 1 week to 1 month

Pros: Not a bad card, but not the best... Was able to under clock it by flashing low volttage bios only to 1.160 Volts. Anything below that it gets sick.
For comparison my PowerColor Card underclocks to 1.100 volts. Because voltage can't get any lower the heat remain a bit of an issue in room the temp would be between 72-75c

Cons: Epida memory, wish it would be Hynix


Igor K.'s Profile

Display Name: Igor K.

Date Joined: 08/17/08

  • Reviews: 2
  • Helpfulness: 2
  • First Review: 03/03/14
  • Last Review: 03/07/14
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