ASUS GeForce GTX 670 Direct CU II TOP 2 GB Review 191

ASUS GeForce GTX 670 Direct CU II TOP 2 GB Review

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NVIDIA's much talked about Kepler GPU architecture is finally testing waters in the crucial performance market-segment, with the GeForce GTX 670. The new graphics card, as NVIDIA puts it, is built from the DNA of GeForce GTX 680. This launch closely follows that of the GeForce GTX 690, which is the posterboy of the Kepler GPU architecture, and is the fastest graphics card ever made. The GeForce GTX 670 is designed to let NVIDIA capture the US $399 price point, its competitor is meant to be Radeon HD 7950, although its specifications give us hope that the SKU could fry both bigger and smaller fish than that. It could target the Radeon HD 7950, as well as take a shot at scoring a higher price-performance than the much cheaper Radeon HD 7870 GHz Edition.

The GeForce GTX 670 utilizes the same 28 nm GK104 silicon, with one streaming multiprocessor (SMX, amounts for 192 CUDA cores) cut out, resulting in a CUDA core count of 1,344. The GPU clock speeds are also toned down a tiny bit, with 915 MHz core, and 980 MHz GPU Boost frequency, but the memory clock speed (of 6.00 GHz, resulting in 192 GB/s bandwidth) is left untouched. It packs 112 texture memory units (TMUs), and 32 raster operations processors (ROPs). The GeForce GTX 670 retains the entire feature-set of the GTX 680, including 4-way SLI support, and the ability to drive four monitors by a single card (and hence 3D Vision Surround).

The ASUS GeForce GTX 670 Direct CU II TOP is a fully custom implementation of the NVIDIA GeForce GTX 670. ASUS has put a dual-fan Direct Touch cooler on the card and increased the clock speeds considerably to 1058 MHz base clock. Price-wise the $20 increase is reasonable, bringing the total to $420.

GeForce GTX 670 Market Segment Analysis
GTX 570
HD 6970
HD 7850
HD 7870
GTX 580
HD 7950
GTX 670
HD 7970
GTX 680
Shader Units48015361024128051217921344134420481536 
Graphics ProcessorGF110CaymanPitcairnPitcairnGF110TahitiGK104GK104TahitiGK104 
Memory Size1280 MB2048 MB2048 MB2048 MB1536 MB3072 MB2048 MB2048 MB3072 MB2048 MB 
Memory Bus Width320 bit256 bit256 bit256 bit384 bit384 bit256 bit256 bit384 bit256 bit 
Core Clock732 MHz880 MHz860 MHz1000 MHz772 MHz800 MHz915 MHz+1058 MHz+925 MHz1006 MHz+ 
Memory Clock950 MHz1375 MHz1200 MHz1200 MHz1002 MHz1250 MHz1502 MHz1502 MHz1375 MHz1502 MHz 
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Jul 6th, 2022 19:21 EDT change timezone

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