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Sparkle Calibre X680 Captain Review

Rating: 9.0.

Sparkle announced their X680/X670 graphics cards in September and today we have the flagship Calibre X680 Captain in for review. This card utilises a 2oz Copper PCB and CoolPro Cooling system, with Triple Silent PWN fans. The cooler has been specially designed to optimise airflow through the large heatsink, supported by six substantial heatpipes. The card uses a 6+2 phase power design to help with stability under load.


Product Nvidia GTX580 Nvidia GTX590 Nvidia GTX680 Sparkle Calibre X680 Captain
Transistors 3000m 3000m x2 3540m 3540m
Core Clock 772mhz 607mhz 1006mhz+ 1124mhz+
(1189mhz boost)
Memory clock 1002mhz 855mhz 1502mhz 1550mhz
Shaders 512 512×2 1536 1536
ROPs 48 48×2 32 32
Memory amount
3GB 3GBx2 2GB 2GB
Memory bus width 384bit 384 bit x 2 256 bit 256 bit

The Sparkle Calibre X680 Captain is overclocked out of the box, to a 1,124 mhz core clock speed (1,189mhz boost), and the 2GB of GDDR5 is also overclocked to 1,550mhz (6.2Gbps effective). The GTX680 is a formidable graphics card with 32 ROP’s, 1536 CUDA cores and the 2GB of GDDR5 memory is connected via a wide 256 bit memory interface.

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