HIS Radeon R9 280, 285, 280X, 290X IceQ X2

Published: 18th Oct 2014, 09:57 GMT

HIS Radeon R9 280X iPower IceQ X² Turbo Specifications

OLYMPUS DIGITAL CAMERAThe R9 280X is the second Tahiti graphics card in this review. Tahiti XT(L) features 2048 Stream Cores (just like GTX 980), 128 TMUs and 32 ROPs.

HIS R9 280X IceQ X2 is factory-overclocked to 1000/1050 MHz, that’s 50 MHz more in boost mode than the reference model.

This card has the fastest memory clock from all Radeon cards in this review. 3GB GDDR5 memory is clocked at 6 GHz effective speed, which gives us 288 GB/s of bandwidth thanks to 384-bit interface.

HIS R9 280X has four display outputs: DVI-I, HDMI and two Display Ports.

Radeon R9 280X is a direct rebrand of Radeon HD 7950 GHz Edition.

HIS Radeon R9 Series
HIS R9 280
IceQ X² OC
HIS R9 285
IceQ X² OC
HIS R9 280X iPower
IceQ X² Turbo
HIS R9 290X iPower
IceQ X² Turbo
PictureH280QMC3G2M_04_1600H285QMB2GD_04_1600 H280XQMT3G2M_Gold_4_1600H290XQMT4GD_05_1600
GPU CodenameTahiti PROTonga PROTahiti XTHawaii XT
Unified Cores1792179220482816
TMUs112112128176
ROPs32323264
Base Clock847 MHz938 MHz1000 MHz1040 MHz
Boost Clock953 MHz1050 MHz
Memory Clock1250 MHz1375 MHz1500 MHz1350 MHz
Memory3GB GDDR52GB GDDR53GB GDDR54GB GDDR5
Memory Bus384-bit256-bit384-bit512-bit
Bandwidth240 GB/s176 GB/s288 GB/s346 GB/s
Power Connectors6pin + 6pin6pin + 6pin8pin + 6pin8pin + 8pin
TDP200W190W250W290W

HIS Radeon R9 280X iPower IceQ X² Turbo versus R9 280 IceQ X²

There are only two differences between these two cards. The power connector configuration (R9 280X has two 8pins) and the missing Turbo sticker.

Physical specifications:

  • Width: 141 mm
  • Length: 297 mm
  • Height: 2-slot
  • Weight: 956 g
  • Cooling: IceQ X2 (dual-fan)
  • Display outputs: DVI-I, HDMI, 2x mini-DisplayPort

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HIS Radeon R9 280X iPower IceQ X² Turbo package

While R9 280X has the same bundle as R9 280, it also came with CrossFire bridge, something you won’t find in R9 285 or R9 290(X) box (since those cards use different technology).

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by WhyCry