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The Radeon HD 6870 uses an uncut Barts GPU and thus achieves a performance that is between the Radeon HD 5850 and the Geforce GTX 470. In addition to the possibility of 3D playback, a third generation “ Unified Video Decoder ” is implemented, which supports hardware acceleration for more video formats.
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However, the advantage does not apply to larger tessellation loads. The "Fixed Function Unit", the thread management and the data buffer have been improved, which means that with moderate use of tessellation, AMD has been able to double its performance compared to the Cypress GPU. Total Barts consists of 1.7 billion transistors on a The mm² face of 255th After Nvidia was able to demonstrate advantages in the area of tessellation performance with its Fermi architecture, AMD revised the tesselator for the Barts GPU. Since AMD does not assign the Barts GPU to the high-end sector, double-precision support was dispensed with, which meant that transistors could be saved. The cluster structure of the GPU (16 shader and four texture units) is also identical, which means that Barts has a total of 14 clusters of 224 shader and 56 texture units.
#6970 OPENGL 4.4 SERIES#
Both cards use the Barts graphics processor, which is still based on the " Terascale 2 architecture " of the Radeon HD 5000 series and whose shader units are thus built in the 5D VLIW design. The first models of the Radeon HD 6000 series were presented to the trade press in the form of the Radeon HD 68 on October 19, 2010, before the NDA officially fell three days later. 5.1 Measurement of the power consumption of an entire system.AppAccelerationĪPIs supported, including particular versions of those APIs. This information will prove useful if you need some particular technology for your purposes. OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). Types and number of video connectors present on the reviewed GPUs. Note that GPUs integrated into processors have no dedicated VRAM and use a shared part of system RAM. Parameters of memory installed: its type, size, bus, clock and resulting bandwidth. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
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Useful when choosing a future computer configuration or upgrading an existing one. Information on compatibility with other computer components. Pipelines / CUDA coresĬompatibility, dimensions and requirements Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results.
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General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed.