ATI Mobility Radeon X1800 vs ATI Mobility Radeon X1450 vs ATI Mobility Radeon X1900
ATI Mobility Radeon X1800► remove
The ATI Mobility Radeon X1800 is a reduced version of the X1800XT. The performance was at the time of arrival still very good. The card was constructed for big laptops (DTR) as it had a high current consumption and heat emission. All games of 2006 were fully playable in high details with the X1800.
ATI Mobility Radeon X1450► remove
The ATI Mobility Radeon X1450 dedicated graphic card for laptops has an improved relation of performance to current consumption compared with its predecessor ATI Mobility Radeon X1400. Both are part of the lower middle class. The performance can be compared with an elder X600, but technically it is a X1350.
Because of the AVIVO engine the card can support the CPU in decoding MPEG-2, MPEG-4, DivX, WMV9 und VC-1 videos.
ATI Mobility Radeon X1900► remove
At the moment, the ATI Mobility Radeon X1900 is the top video card from ATI for notebooks. The performance is better than X1800 / 7900GS. Due to heat problems the marketing was delayed but now this problem seems to be fixed. According first reports it is about 12% faster than a X1800 (Alienware configurator). The performance in our tests was about as fast as the Nvidia 7900 GS.
The X1900 is a enhanced X1800 produced in 80nm. The 36 Pixel Shader count like 12 pipelines from Nvidia cards.
The AVIVO technology allows the chip to accelerate H.264, DivX, MPEG-2, MPEG-4, WMV9, and VC-1 videos.
|ATI Mobility Radeon X1800||ATI Mobility Radeon X1450||ATI Mobility Radeon X1900|
|Mobility Radeon X1000 Series|
|12 / 6||4 / 2||36 / 8|
|Core||450 MHz||550 MHz||400 MHz|
|Memory||500 MHz||450 MHz||470 MHz|
|Bus||256 Bit||128 Bit||256 Bit|
|DirectX||DirectX 9c, 3.0||DirectX 9c, 3.0||DirectX 9c, 3.0|
|Technology||90 nm||90 nm||80 nm|
|Max. Memory||256 MB||256 MB|
|Transistors||105 Million||312 Million|
|Features||Avivo Video und Display Engine. Powerplay 6.0, PCI Express x16-Bus; 90-nm||Avivo Video and Display Engine. 12 pixelshaders are regulated by 3 cores; Powerplay 6.0|
|105 Millionen Transistoren, Strained Silcion für verbessertes Leistungs / Watt Verhältnis||312 Millionen Transistoren, 80nm, PCI-E 16x, MXM-III odul|