HIS Radeon HD 7750 & HD 7770 CrossFire

HIS Radeon HD 7750 & HD 7770 CrossFire

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Introduction



Today, AMD launched its Radeon HD 7700 series to solidify its competitiveness in the sub-$200 graphics card market segment. The launch consists of the Radeon HD 7770 and Radeon HD 7750, both capable of 2-way CrossFire. While we don't expect anyone to buy two HD 7700 series in one go, since there could (we're figuring that out in this review) be better single graphics card options in higher price points, CrossFire capability allows users incremental upgrades.

People can get one HD 7700 series graphics card now, and add on a second card later, as their performance needs go up. A CrossFire upgrade could also let people game on higher resolutions than what a single HD 7700 series graphics card is meant for, so really, the 'incremental upgrade' argument is the only sensible way we see people buying two of these cards.

What's more, AMD's architecture allows you to pair between different SKUs in a series. For example, you can pair a Radeon HD 7770 with a Radeon HD 7750, so that adds a lot of flexibility. In this review, we will measure the performance of two HD 7770 in CrossFire, and two HD 7750 in CrossFire.

But before you proceed, make sure you have a clear understanding of what the HD 7700 series as single-card solutions are all about, go through any of the reviews linked below.
HD 7750 and 7770 CrossFire Review Market Segment Analysis
 Radeon
HD 5770
Radeon
HD 7750
GeForce
GTX 550 Ti
Radeon
HD 6790
Radeon
HD 6850
GeForce
GTX 460
GeForce
GTX 460
Radeon
HD 6870
Radeon
HD 7770
GeForce
GTX 560
GeForce
GTX 560 Ti
Radeon
HD 7750 CrossFire
Radeon
HD 6950
Radeon
HD 7770 Crossfire
GeForce
GTX 570
Radeon
HD 6970
Shader Units80051219280096033633611206403363842x 51214082x 6404801536
ROPs16162416322432321632322x 16322x 164032
Graphics ProcessorJuniperCape VerdeGF116BartsBartsGF104GF104BartsCape VerdeGF114GF1142x Cape VerdeCayman2x Cape VerdeGF110Cayman
Transistors1040M1500M1170M1700M1700M1950M1950M1700M1500M1950M1950M2x 1500M2640M2x 1500M3000M2640M
Memory Size1024 MB1024 MB1024 MB1024 MB1024 MB768 MB1024 MB1024 MB1024 MB1024 MB1024 MB2x 1024 MB2048 MB2x 1024 MB1280 MB2048 MB
Memory Bus Width128 bit128 bit192 bit256 bit256 bit192 bit256 bit256 bit128 bit256 bit256 bit2x 128 bit256 bit2x 128 bit320 bit256 bit
Core Clock850 MHz800 MHz900 MHz840 MHz775 MHz675 MHz675 MHz900 MHz1000 MHz810 MHz823 MHz800 MHz800 MHz1000 MHz732 MHz880 MHz
Memory Clock1200 MHz1125 MHz1026 MHz1050 MHz1000 MHz900 MHz900 MHz1050 MHz1125 MHz1002 MHz1002 MHz1125 MHz1250 MHz1125 MHz950 MHz1375 MHz
Price$105$110$120$125$135$140$140$155$160$170$210$220$240$320$330$340
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