Technical data / specifications

MSI equipped the GTX 275 Lightning with a unique PCB which features an eight plus two phase power design which allows the manufacturer to drive higher clock rates. Furthermore the card comes with a 448 bit memory interface and a huge amount of memory: 1792 MB in fact. What you can't see with your eyes is the ten layer PCB which is good for lower signal noise. The fact that you find a VGA port next to an HDMI and a DVI port is quite uncommon these days. Usually there are two DVI's and a HDMI.
We're very curious about the MSI's GTX 275 Lighning how it performs compared to the GTX 285. It might be that because of the higher clock rates but slightly poorer memory interface the MSI GTX 275 is a good competitor to the standard GTX 285. One thing about the Lighning is for sure already now. The idle power consumption of 27 Watts is on a very good level.

	ASUS EAH5870	GTX 285	Lightning GTX 275
Chip	RV870	GT200b	GT200b
Process	40 nm	55 nm	55 nm
Transistors	2.15 Mrd.	1.4 Mrd.	1.4 Mrd.
GPU clock	725 MHz	648 MHz	700 MHz
Shader clock	850 MHz	1476 MHz	1404 MHz
Memory	1024MB GDDR5	1024MB GDDR3	1792MB GDDR3
Memory clock	2000 MHz	1242 MHz	1150 MHz
Memory interface	256 Bit	448 Bit	512 Bit
Memory bandwidth	128'000 MB/s	153'600 MB/s	128'800 MB/s
ROPs	32 ROP	32 ROP	28 ROP
Shader model	SM 5	SM 4	SM 4
Maximum board power	188 Watt	183 Watt	186 Watt

Page 1 - Introduction	Page 9 - PT Boats
Page 2 - Specifications	Page 10 - X3 Terran Conflict
Page 3 -Preview	Page 11 - Streetfighter 4
Page 4 - Overclocking	Page 12 - World in Conflict
Page 5 - Testing conditions	Page 13 - Resident Evil 5
Page 6 - 3DMark 06	Page 14 - Call of Juarez
Page 7 - 3DMark Vantage	Page 15 - Far Cry 2
Page 8 - Furmark	Page 16 - Conclusion

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