![]() In the GTX 880M, all eight blocks are active for a total of 1536 CUDA cores and 128 TMUs. The GK104 Kepler core offers eight shader blocks, called SMX, that are clocked at the same speed as the central core. The Kepler architecture is the successor to the Fermi architecture that first appeared in laptops with the GeForce 400M series. As of spring 2014, it is the fastest laptop graphics card on the market. Similar to the GTX 780M, it is based on the 28 nm GK104 chip (Kepler architecture), but features a higher core clock rate. The NVIDIA GeForce GTX 880M is a high-end DirectX 12-compatible graphics card for laptops unveiled in March 2014. NVIDIA GeForce GTX 880M ► remove from comparison The HD Graphics 4600 can be found on dual- and quad-core Haswell models in the 37 - 57 Watt TDP range. Due to the 22nm 3D Tri-Gate production process, power consumption should be relatively low. Thus, the HD 4600 not only matches some dedicated GPUs such as the GeForce GT 620M/630M, but also competes with the fastest integrated AMD GPUs like the Radeon HD 8650G. This performance boost is achieved by architectural improvements and an increased number of execution units: The GT2 version integrates 20 EUs, compared to 16 EUs for the old HD 4000. In our gaming benchmarks, however, the improvement was only about 30 percent. According to Intel benchmarks in 3DMark 11, the HD Graphics 4600 will be up to 60 percent faster than the previous HD 4000. It also features an improved decoder for 4K videos and the fast Quick Sync encoder. The GPU supports DirectX 11.1, OpenCL 1.2 and OpenGL 4.0. In comparison to the HD 4000, the graphics core has been modified extensively. Depending on the processor model, the base and turbo clock rates may differ greatly resulting in varying graphics performance between CPU models. The base clock can be automatically overclocked using Turbo Boost technology. ![]() ![]() The Intel HD Graphics 4600 (GT2) is a processor graphics card included in some of the Haswell processors of 2013. Intel HD Graphics 4600 ► remove from comparison
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