Ati mobility radeon hd 4670 1gb
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#2 did not recreate cache, as it is less than 5 days old! Created at Sun, 14:32:11 +0100 +0.001s. #0 no ids found in url (should be separated by "_") +0s. OpenGL 2.0, PCI-E 2.0 x16, Powerplay, DisplayPort support up to 2560x1600, HDMI support up to 1920x1080 (both with 7.1 AC3 Audio), 1x Dual-Link/Single-Link DVI, 1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer) Still, it is unclear if this value represents the chip alone or the entire MXM board including the memory (which we estimate would contribute about 5 Watts).Ĭompared to the desktop ATI Radeon HD 4870, the mobile 4870 features a slower core clock and should therefore perform more similarly to the desktop HD 48. Simply put, the Avivo HD technology handles all video tasks and enables the GPU to decode HD videos.ĪMD has published a current consumption of about 65 Watt for the Mobility HD 4870.
Ati mobility radeon hd 4670 1gb full#
In addition to this, it also supports dual video stream decoding and Picture-in Picture mode for full compliancy of the current BD-Live standard. The UVD2 supports full bitstream decoding of H.264/MPEG-4 AVC and VC-1 streams. The Mobility Radeon HD 4870 includes Avivo HD, UVD2 and an onboard soundchip for 7.1 sound output over HDMI or DisplayPort. Each of the five instructions of a VLIW bundle has to be independent from the others and therefore much of the performance of the HD 4870 depends on the optimization of the driver. The stream processors are also called ALUs and are grouped in five-way VLIW units.
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These cores do the graphics work that would normally be done by the shader- and pixel pipelines of older GPUs. The Mobility HD 4870 is based on the RV770 chip and features 800 stream processors (160 5-dimensional shader cores). Compared to the GeForce GTX 280M, the Mobility HD 4870 delivers a similar level of performance in games. Demanding DirectX 10 games, such as Crysis, can be played fluently with medium to high details. The high amount of shaders and the 256 bit bus allows the Mobility HD 4870 to run every DirectX 9 game in high resolutions and detail settings. The gaming performance of the ATI Mobility Radeon HD 4870 should be comparable to, but still a bit below, the desktop HD 4850. The successor of the HD 4870 is the Mobility Radeon HD 5870 which supports DirectX 11. The HD 4870 is also equipped with GDDR5 RAM, similar to its desktop variations. Technically, it is based on the desktop HD 48 GPUs but with a lower clock rate to save energy. The ATI Mobilty Radeon HD 4870 from AMD is a high-end DirectX 10.1 notebook graphics card.