Tegra 4 Whitepaper - Nvidia

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P a g e | 14Architectural EfficiencyFigure 5 - Tegra 4i GPU Architecture DiagramTwo of the most important design criteria for microprocessors include optimizing performanceper watt and performance per square millimeter. The overarching term we like to use is“architectural efficiency”. NVIDIA Tegra processor engineers tried to include as many advancedfeatures as possible in the NVIDIA Tegra 4 processor’s GPU, having strict perf/watt, perf/mmtargets, and die size and power constraints, while delivering industry-leading graphics quality,features, and performance.It can be readily seen in Table 4 that the Tegra 4 processor far surpasses the mobilecompetition in the key architectural efficiency metrics of GFLOPs/mm 2 , Fillrate/mm 2 , and in oneof the more popular mobile GPU benchmarks GLBench 2.5. The Tegra 4 processor isconsiderably more efficient than any of the current competitive mobile GPUs. The GPU areacalculations normalized all SoCs to a 28nm process. (Note that the Tegra 4i processor was notyet in a state to disclose detailed performance metrics at the time of this writing, so the next fewsections exclude the Tegra 4i processor.)NVIDIA Tegra 4 GPU Architecture February 2013
P a g e | 15Table 4 – Tegra 4 Architectural Efficiency Data versus Competitive GPUsSimilarly, Table 5 provides a graphical view of the above data so you can more readily see justhow much more efficient of a GPU architecture the NVIDIA ® Tegra ® 4 processor is versuscontemporary competitive mobile GPU designs.Table 5 - Tegra 4 Architectural Efficiency Chart versus Competitive GPUsNVIDIA Tegra 4 GPU Architecture February 2013
Page 1 and 2: WhitepaperNVIDIA Tegra 4 FamilyGPU
Page 3 and 4: P a g e | 3IntroductionMobile devic
Page 5 and 6: P a g e | 5Figure 1 NVIDIA Tegra 4
Page 7 and 8: P a g e | 7blended with existing fr
Page 9 and 10: P a g e | 91x DP4 + MFUA total of 1
Page 11: P a g e | 11 2x/4x Multisample Anti
Page 16 and 17: P a g e | 16Comparative Benchmark P
Page 18 and 19: P a g e | 18client and implements a
Page 20 and 21: P a g e | 20The following screen sh
Page 22 and 23: P a g e | 22These unique NVIDIA ®
Page 24 and 25: P a g e | 24Appendix A: Tegra 4 GPU
Page 26: P a g e | 26NoticeALL INFORMATION P

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