Beautiful beast: PowerColor 7990 Devil 13
PowerColor entered the market first with the 7990 Devil 13. The parent company TUL Corporation now also offers this design with slightly lower clock rates via their own labels Club3D and VTX 3D – but behind the cover is always the same content, only the stickers differ.
The Devil 13 has the highest clock rate and the best equipment of all 7990s from the TUL Corporation, which can already be seen in the very elaborately designed packaging.
The accessories are generous, and the included graphics card support is necessary to stabilize the record-breaking 1.77 kg in the case. This “PowerJack” does not hold the card to the hard drive cage, but is used to support the card on the bottom of the case (maximum length 235 mm). Another extra is a comprehensive screwdriver set, which complements the otherwise obligatory accessories.
The card itself is, just like the HIS 7970 X2, a pure in-house design. Like the HIS card, the card comes as a pure 3-slot solution, but with a total of 3 fans. The two external fans have a diameter of 90 mm, the angled center fan of 75 mm.
The three 8-pin connectors for the power supply should be able to handle up to 525 watts together with the PCI Express slot – however, this limit is not enough in the extreme test under full load, it will definitely be more. But more about that later.
There are 6 LEDs on the back that are supposed to indicate the status of the 6-phase power supply, which is unclear in that there are 2 x 6-phans for the GPUs.
But it certainly looks decorative. The rest of the PCB is hidden by the massive backplate.
The RAM is from Hynix and also manages 1500 MHz (and a bit more) with manual overclocking. However, only 1375 MHz is available out of the box. Here, PLX’s PEX 8747 connects the two GPUs to each other with 16 PCI Express lanes each, 16 more lead to the PCIe slot.
The display ports consist of two dual-link DVI, one HDMI and two DisplayPort ports. The red button is the BIOS switch and lights up when the OC BIOS is activated.
The air outlet at the back is quite inconspicuous and could have been a bit more generous. A lot of air is unnecessarily pressed down onto the PCB.
- 1 - Introduction and overview
- 2 - The challenger: HIS 7970 X2
- 3 - The efficient: EVGA GTX 690
- 4 - The beauty: PowerColor 7990 Devil 13
- 5 - Synthetic benchmarks
- 6 - Gaming benchmarks (Catalyst 12.11)
- 7 - Micro stuttering: the current situation
- 8 - Micro stuttering: AFR render methods
- 9 - Micro stuttering: adaptive VSync (Nvidia)
- 10 - Micro stuttering: dynamic VSync (AMD)
- 11 - Power consumption and temperatures
- 12 - Fan speed and noise (with videos)
- 13 - Summary and conclusion
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