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NVIDIA attempts to meet GTX 275 demand and compete with the Radeon 4890

Last week, NVIDIA launched its new GeForce GTX 275 video card to compete against the ATI Radeon HD 4890. The launch was originally targeted for April 14, and our sources indicated that there were only around 5,000 units available on launch day.

However, one of our sources emailed us some links last night to e-tailers Newegg and Mwave to prove North American availability of the GeForce GTX 275.

Another email DailyTech received claimed that NVIDIA has "shipped 10s of thousands of chips to our board partners. Our board partners are in mass production and they have already started to make these available through retail and e-tail channels."

"Timing of course, depends on the region. But clearly, the floodgates are open," the source elaborated.

Based on the GT200 architecture, the GeForce GTX 275 features 240 processor cores operating at 1404 MHz, 80 texture processing units, a 448-bit memory interface, and an 896 MB frame buffer. NVIDIA is positioning it between the GeForce GTX 260 and the GeForce GTX 285 in price and performance. Benchmarks have shown that it exhibits slightly better performance over the Radeon 4890 in most gaming applications.

Pricing on the other hand, favors the Radeon 4890. Using mail-in rebates, the graphics division of AMD has already lowered the price to under $230. Further price cuts are probably coming, as the RV790 chip that the Radeon 4890 uses is much smaller and cheaper for AMD to manufacture. The G200b chip that the GTX 275 uses has 1.4 billion transistors, while the RV790 only has 959 million. Both are manufactured on a 55nm process.

 

GTX 280

ATI Radeon HD 4890

GTX 275

ATI Radeon HD 4870

GTX 260 Core 216

ATI Radeon HD 4850

GTS 250

Stream Processors

240

800

240

800

216

800

128

Texture Address / Filtering

80 / 80

40

80 / 80

40

72/72

40

64 / 64

ROPs

32

16

28

16

28

16

16

Core Clock

602MHz

 850MHz

633MHz

750MHz

576MHz

625MHz

738MHz

Memory Clock

1107MHz

3.9GHz GDDR5

1134MHz

3.6GHz GDDR5

999MHz

1986MHz GDDR3

1100MHz

Memory Bus Width

512-bit

256-bit

448-bit

256-bit

448-bit

256-bit

256-bit

Frame Buffer

1GB

1GB

896MB

1GB/512MB

896MB

512MB

512MB

Transistor Count

1.4B

959M

1.4B

956M

1.4B

956M

754M

Price Point

$349

$229

$249

$179/$149

$179

$129

$129

 





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