PowerColor Devil 13 Radeon HD 7990 - Speak of the Devil
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Meet the Devil 13
The Wait For The Radeon HD 7990 Is Over
The long-rumored dual-GPU Radeon HD 7990 has finally appeared, although not from AMD as you might have expected. First sighted back in June at Computex 2012, AMD add-in partner PowerColor has taken things into its own hands and created the Devil 13, a dual-GPU triple slot card utilizing two Tahiti XT Radeon HD 7970 GPUs. Availability of this card is quite limited, however if you hunt around, you should be able to find a few units in Singapore. Bizgram currently has it listed at S$1358 at the point of writing this review.
Meet the Devil 13
PowerColor has spared no expense in playing up the Devil theme with the packaging, packing the card in an impressive black box complete with faux-wax seal and tribal-style Devil patterns.
The 'Equipment Chamber' contains three 6-pin to 8-pin power cables, one mini-DP-to-DVI adapter, one mini-DisplayPort-to-DVI adapter, one DVI-to-VGA adapter, and one CrossFire Bridge. The 'Recovery Chamber' contains an 11-piece Wiha toolset and a PowerColor PowerJack, which can be attached between your case and the Devil 13 to provide support for the 1.77kg card.
The Recovery Chamber also contains the warranty reminder for the card, which itself is pretty cool:-
The card is one of the biggest around, measuring 315 x 140 x 60mm, taking up three slots and, as mentioned, weighing 1.77kg!
The card itself utilizes two "Tahiti XT", Radeon HD 7970 GPUs. Interestingly, PowerColor has opted for the first generation chips clocked at 925MHz rather than the later 1GHz Edition versions.
Ports are quite comprehensive on the Devil 13, offering one DVI-D, one DVI-I, one HDMI port and two DisplayPort ports.
Here's a spec comparison of how the Devil 13 lines up against its closest competitors:
Model | PowerColor Devil 13 Radeon HD 7990 | NVIDIA GeForce GTX 690 | AMD Radeon HD 7970 GHZ Edition | NVIDIA GeForce GTX 680 | NVIDIA GeForce GTX 590 | AMD Radeon HD 6990 |
---|---|---|---|---|---|---|
Core Code | Tahiti XT | Dual GK104 | Tahiti XT | GK104 | GF110 | Antilles |
Transistor Count | 8600 million | 7080 million | 4300 million | 3540 million | 6000 million | 5280 million |
Manufacturing Process | 28nm | 28nm | 28nm | 28nm | 40nm | 40nm |
Core Clock | 925MHz | 915MHz | 1000MHz | 1006MHz | 607MHz | 830 / 880MHz |
Stream Processors | 4096 Stream processing units | 3072 Stream processing units | 2048 Stream processing units | 1536 Stream processing units | 1024 Stream processing units | 3072 Stream processing units |
Stream Processor Clock | 925MHz | 915MHz | 1000MHz | 1006MHz | 607MHz | 830 / 880MHz |
Texture Mapping Units (TMU) or Texture Filtering (TF) units | 224 | 256 | 112 | 128 | 128 | 192 |
Raster Operator units (ROP) | 64 | 64 | 32 | 32 | 96 | 64 |
Memory Clock | 5500MHz GDDR5 | 6008MHz GDDR5 | 5500MHz GDDR5 | 6008MHz GDDR5 | 3414MHz GDDR5 | 5000MHz GDDR5 |
DDR Memory Bus | 384-bit x 2 | 256-bit x 2 | 384-bit | 256-bit | 384-bit x 2 | 512-bit |
Memory Bandwidth | 528GB/s | 384.4 GB/s | 264GB/s | 192.3GB/s | 327.7GB/s | 320GB/s |
PCI Express Interface | PCIe ver 3.0 x16 | PCIe ver 3.0 x16 | PCIe ver 3.0 x16 | PCIe ver 3.0 x16 | PCIe ver 2.0 x16 | PCIe ver 2.0 x16 |
Molex Power Connectors | 3 x 8-pin | 2 x 8-pin | 1 x 6-pin, 1 x 8-pin | 2 x 6-pin | 2 x 8-pin | 2 x 8-pin |
Multi GPU Technology | CrossFireX | SLI | CrossFireX | SLI | SLI | CrossFireX |
DVI Output Support | 2 x Dual-Link | 3 x Dual-Link | 2 x Dual-Link | 2 x Dual-Link | 3 x Dual-Link | 1 x Dual-Link |
HDMI | 1 | 0 | 1 | 1 | 1 (mini-HDMI) | 0 |
DisplayPort | 2 (version 1.2 HBR2) |
1 Mini-DisplayPort | 2 (version 1.2 HBR2) |
2 (version 1.2 HBR2) |
None | 4 Mini-DisplayPort |
HDCP Output Support | Yes | Yes | Yes | Yes | Yes | Yes |
Launch Price | US$999 | US$999 | US$549 | US$499 | US$699 | US$700 |
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