![]() ![]() With the 5450, SimHD is only capable of upscaling DVDs to a 720p resolution with the 5570 it can upscale to 1080p. Here, the extra stream processors can be of use, if you're running software that uses the graphics card (GPGPU) to upscale DVD, such as Arcsoft's SimHD plug-in for TotalMedia Theatre 3. This card means that you can have a PC that takes low-profile cards and enjoy some light gaming.Įven so, the main use of this card is likely to be for home theatre use. The card struggled with our more demanding Crysis test at 1,680x1,050, managing 21.5fps however, dropping the resolution to 1,440x900 improved frame rates to a playable 27.2fps. Its frame rate of 29.7fps in Call of Duty 4 provides smooth enough motion for gaming, while dropping the resolution down to 1,440x900 bumped the frame rate up to 37.1fps. So, while the 5450 struggled through our games tests, the 5570 did much better. These improvements strike a few advantages, most noticeably in games. In addition, the 5570 has twice the RAM, with 1GB of GDDR3. The 5470 has just 80, while the 5570 has 400 of them. The main difference between the two cards is the amount of stream processors each has. Fortunately, the fan's not overly noisy and, unless you have particularly quiet CPU and system fans, you're unlikely to hear the 5570 above the general noise of your case. You can tell this immediately, as the 5570 requires a fan to keep it cool, while the 5450 is passively cooled. While the HD 5450 is basically a very slow graphics card, designed for decoding video and transmitting HD audio, the 5570 is a considerably more powerful beast. However, this is a significantly different card under the surface. With the Radeon HD 5450 low-profile graphics card only just out, it's hard to get excited by the low-profile HD 5570, particularly as it costs almost twice as much.
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