The 6990 boasts a massive 4GB of GDDR5, 3, 072 Stream Processors, 64 ROPs, and an 830MHz core clock speed.

ENGADGET: AMD launches Radeon HD 6990 powerhouse for $699, maintains 'world's fastest' title

As the initial wave of iPhone 5 reviews hit, it looked as if Apple's dual-core A6 processor was sporting a clock speed of around 1GHz.

ENGADGET: Apple's A6 CPU actually clocked at around 1.3GHz, per new Geekbench report

The new chipset integrates NVIDIA's nForce 680a SLI chipset with AMD's fresh Athlon 64 FX-70 dual-core processors to great effect, with clock speeds hitting 2.6, 2.8 and 3.0GHz for the FX-70, FX-72 and FX-74 processors.

ENGADGET: Here comes Quad FX: AMD's 4x4 platform gets "official"

The clock speed hasn't changed either, but you're getting an extra core this time with the Qualcomm MSM8225 Snapdragon chipset.

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