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GRAPHICS CARD REVIEW OF THE WEEK

Looking from the outside, XFX Radeon HD4890 cards look a lot like the standard RV770XT (HD4870) accelerators with a reference dual-slot cooler. As we already know, the card uses the new RV790 graphics chip and a somewhat changed PCB compared to the strongest RV770 models. PCB is of the identical red colouring as the previous model and its layout looks a lot like the previous one's. Beside a bit more powerful power supply unit and a quicker DDR5 memory, a slight difference is found with the cooler, which is a bit more massive because the copper part of the central part touching the GPU is bigger and more massive.

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LATEST NEWS

Leadtek joins the new GTX 295 race

Leadtek is the latest competitor in the race of single-PCB GeForce GTX 295 manufacturers. Here comes another reference model, differing from the other models by - a sticker. The new card has a standard two slot cooler covering the two 55-nm GT200 chips....

LATEST GRAPHICS CARDS ON XGCDB

MSI
Radeon HD 4770 R4770-T2D512

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

Asus
Radeon HD 4770 EAH4770/HTDI/512MD5

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

Diamond
Radeon HD 4770 4770PE5512

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

Biostar
Radeon HD 4770 VA4775ND51

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

Club 3D
Radeon HD 4770 CGAX-4772DD

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

GeCube
Radeon HD 4770 GC-HD4770XTG5-E3

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

XFX
Radeon HD 4770 HD-477A-YDLC

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

Powercolor
Radeon HD 4770 AX4770 512MD5-M

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

HIS
Radeon HD 4770 H477F512P

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

Gigabyte
Radeon HD 4770 GV-R477D5-512H-B

Core clock	750 MHz
Memory type	GDDR5
Memory size	512 MB
Memory interface	128-bit
Memory clock	3200 MHz

HIS
Radeon HD 4890 Fan TURBO H489FT1GP

Core clock	900 MHz
Memory type	GDDR5
Memory size	1024 MB
Memory interface	256-bit
Memory clock	4000 MHz

XFX
Radeon HD 4890 HD-489A-ZDF7

Core clock	850 MHz
Memory type	GDDR5
Memory size	1024 MB
Memory interface	256-bit
Memory clock	3900 MHz

XFX
Radeon HD 4890 HD-489A-ZDEC

Core clock	875 MHz
Memory type	GDDR1
Memory size	1024 MB
Memory interface	256-bit
Memory clock	3900 MHz

Powercolor
Radeon HD 4890 AX4890 1GBD5-UH

Core clock	900 MHz
Memory type	GDDR5
Memory size	1024 MB
Memory interface	256-bit
Memory clock	4000 MHz

BFG
GeForce GTX 275 OC

Core clock	648 MHz
Memory type	GDDR3
Memory size	896 MB
Memory interface	448-bit
Memory clock	2304 MHz