MSI HD 4890 Cyclone SOC 1 GB GDDR5

MSI HD 4890 Cyclone SOC 1 GB GDDR5

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Introduction



As the name suggests, MSI's new HD 4890 Cyclone SOC is based on AMD's HD 4890 GPU Series featuring the RV790 GPU. Even though a 40 nm GPU has been announced in form of RV740, AMD has chosen to product RV790 in the proven 55 nm process which offers considerably better yields and uses readily available production facilities.

MSI has taken AMD's base design and heavily modified it for their purposes. The MSI R4890 Cyclone Series actually consists of three cards:
  • R4890 Cyclone: 850 MHz Core, 975 MHz Memory
  • R4890 Cyclone OC: 880 MHz Core, 975 MHz Memory
  • R4890 Cyclone SOC 1000 MHz Core, 1000 MHz Memory
This review covers the R4890 Cyclone SOC which is MSI's highest end product in this series.
All cards are using a big 100 mm heatpipe cooler and feature native HDMI.

GeForce
9800 GT
Radeon
HD 4850
GeForce
9800 GTX
GeForce GTS
250 1 GB
GeForce
GTX 260
Radeon
HD 4870
Radeon
HD 4890
MSI R4890
Cyclone SOC
GeForce
GTX 275
GeForce
GTX 280
Radeon
HD 4870 X2
GeForce
GTX 285
Shader units 1128001281281928008008002402402x 800240
ROPs161616162816161632322x 1632
GPUG92RV770G92G92GT200RV770RV790RV790GT200GT2002x RV770GT200b
Transistors754M 956M754M 754M 1400M 956M959M959M1400M 1400M 2x 956M1400M
Memory Size512 MB 512 MB 512 MB1024 MB896 MB512 MB 1024 MB 1024 MB 896 MB1024 MB2x 1024 MB 1024 MB
Memory Bus Width 256 bit 256 bit 256 bit 256 bit 448 bit 256 bit 256 bit 256 bit 448 bit 512 bit 2x 256 bit 512 bit
Core Clock600 MHz 625 MHz 675 MHz 738 MHz 576 MHz 750 MHz 850 MHz 1000 MHz 633 MHz 602 MHz 750 MHz 648 MHz
Memory Clock900 MHz 993 MHz 1100 MHz 1100 MHz 999 MHz 900 MHz 975 MHz 1000 MHz 1134 MHz 1107 MHz 900 MHz 1242 MHz
Price$110$140$160$149$240$190$200$249$249$315$425$350
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