New Radeons pack a punch at under $100

When it introduced its first Radeon HD 4800 graphics cards back in June, AMD selected some pretty aggressive price points. Today, the firm has attacked the mainstream market just as aggressively with a pair of new cards: the Radeon HD 4670 and 4650.

According AMD's pitch, the 4670 can perform up to twice as fast as Nvidia's GeForce 9500 GT for close to the same price. The 4670 is launching at $79 with supposedly immediate availability, while the 4650 will follow later this month at $69.

Sapphire's Radeon HD 4670. Source: Sapphire.

What kind of hardware makes the 4670 allegedly perform so well? AMD's new GPU has 320 stream processors, a 750MHz core clock speed, a 128-bit memory bus, and 512MB of 1000MHz GDDR3 memory (a 1GB variant is coming later). The 4650 also has 320 SPs, but with lower clock speeds and 512MB of GDDR2 memory. And thanks to TSMC's 55nm process technology, two cards have power envelopes of less than 60W and 50W, respectively.

The 4670 is already ticking away inside our labs right now, so stay tuned for a full review.

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