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Tuesday, March 15, 2011
New GeForce GTX 550 Ti Released


Just in time for Crysis 2, Nvidia today announced the new GeForce GTX 550 Ti, promising to power through the 2023 alien-infested streets of New York at over 40fps at 1680?1050 with the 'Advanced' setting.

GeForce GTX 550 Ti is available in stores today for $149 USD and offers 28% faster gaming over the recent GeForce GTS 450, according to Nvidia. For any of the GeForce 8600 GT owners out there who have been waiting to upgrade, the GeForce GTX 550 Ti offers a 500% performance increase over their GPU and support for DirectX 11 gaming.

The GTX 550Ti features Nvidia's GF116 GPU. The GF116 is a slight process tweak over GF106, using a new selection of transistors in order to reduce leakage, increase clocks, and to improve the card?s performance per watt. The GTX 550 Ti features 192 CUDA cores paired with 24 ROPs, 32 texture units, 384KB of L2 cache, a 192-bit memory bus, and 1GB of GDDR5.

The GTX 550 Ti will be shipping at a core clock of 900MHz and a memory clock of 1026MHz (4104MHz data rate). NVIDIA puts the TDP at 116W.

Another big change with the GTX 550 Ti is its GDDR5 memory controller. Its memory controller supports what they call ?mixed density? memory chips. This allowed NVIDIA to put a 1GB frame buffer on this GPU using a 192-bit memory interface. Other GPUs that use a 192-bit memory interface are usually limited to 768MB of graphics memory. So for a GPU that is to have at least 1GB of total graphics memory ? it essentially has to have a 1.5GB frame buffer. This makes the GPU more expensive to produce and then of course a bit higher in price for the consumer. With the mixed density memory that NVIDIA is using on the GTX 550 Ti, they don?t have to boost the frame buffer to 1.5GB to ensure the full 1GB of memory graphics.

  GTX 560 Ti GTX 460 768MB GTX 550 Ti GTS 450
Stream Processors 384 336 192 192
Texture Address / Filtering 64/64 56/56 32/32 32/32
ROPs 32 24 24 16
Core Clock 822MHz 675MHz 900MHz 783MHz
Shader Clock 1644MHz 1350MHz 1800MHz 1566MHz
Memory Clock 1002Mhz (4.008GHz data rate) GDDR5 900Mhz (3.6GHz data rate) GDDR5 1026Mhz (4.104GHz data rate) GDDR5 902Mhz (3.608GHz data rate) GDDR5
Memory Bus Width 256-bit 192-bit 192-bit 128-bit
RAM 1GB 768MB 1GB 1GB
FP64 1/12 FP32 1/12 FP32 1/12 FP32 1/12 FP32
Transistor Count 1.95B 1.95B 1.17B 1.17B
Manufacturing Process TSMC 40nm TSMC 40nm TSMC 40nm TSMC 40nm
Price $249 ~$130 $149 ~$90


GeForce GTX 550 Ti is also packed with the latest GeForce GTX technologies including SLI, PhysX, 3D Vision, and NVIDIA Surround. And, starting today, users can get the new version of the 3D Vision wireless glasses kit on the NVIDIA Store, at a reduced price of $149 USD. Pricewise, it is positioned among the GeForce GTX 460 1GB or the Radeon HD 6850 ($160) and the GeForce GTX 460 768MB ($130).



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