When new Radeon HD 4870 and HD 5870 models were presented ATI also announced when and what models will be presented in the near future. Therefore, it was obvious that new generation begun with Cypress GPU, with code name RV870, which continued with Juniper GPU with code name RV840 GPU. With HD 55770 and HD 5750, along with HD 5870 and 5850 models, ATI has covered high and mid range DirectX 11 graphics cards market. When we take a look at specifications, it is clear that there is nice gap between high-end models with 1600 (HD 5870) and 1440 (HD 5850) Stream Processors and more powerful model from mid range that has 800 Stream Processors (HD 5770). Nevertheless, even with Stream Processors cut to half this model can be very interesting to users that want something more than average performance levels but don’t have big budget. Model HD 5770 is more powerful representative in mid range, and very similar to HD 4850 and HD 4870 models. Price tag should be somewhere between last two models, while we will see how good this new card performs…