Intel 521 Data Sheet - Page 9
Intel, Pentium, Processors 570/571, 561, 550/551, 540/541, 530/531,
UPC - 683728199029
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Contents Intel® Pentium® 4 Processors 570/571, 560/561, 550/551, 540/541, 530/531, and 520/521 • Available at 3.80 GHz, 3.60 GHz, 3.40 GHz, 3.20 GHz, 3 GHz, and 2.80 GHz • Supports Hyper-Threading Technology1 (HT Technology) for all frequencies with 800 MHz front side bus (FSB) • Intel® Pentium® 4 processors 571, 561, 551, 541, 531, and 521 support Intel® Extended Memory 64 Technology (EM64T)Φ • Supports Execute Disable Bit capability • Binary compatible with applications running on previous members of the Intel microprocessor line • Intel NetBurst® microarchitecture • FSB frequency at 800 MHz • Hyper-Pipelined Technology • Advance Dynamic Execution • Very deep out-of-order execution • Enhanced branch prediction • Optimized for 32-bit applications running on advanced 32-bit operating systems • 16-KB Level 1 data cache • 1-MB Advanced Transfer Cache (on-die, full- speed Level 2 (L2) cache) with 8-way associativity and Error Correcting Code (ECC) • 144 Streaming SIMD Extensions 2 (SSE2) instructions • 13 Streaming SIMD Extensions 3 (SSE3) instructions • Enhanced floating point and multimedia unit for enhanced video, audio, encryption, and 3D performance • Power Management capabilities • System Management mode • Multiple low-power states • 8-way cache associativity provides improved cache hit rate on load/store operations • 775-land Package The Intel® Pentium® 4 processor family supporting Hyper-Threading Technology1 (HT Technology) delivers Intel's advanced, powerful processors for desktop PCs and entry-level workstations that are based on the Intel NetBurst® microarchitecture. The Pentium 4 processor is designed to deliver performance across applications and usages where end-users can truly appreciate and experience the performance. These applications include Internet audio and streaming video, image processing, video content creation, speech, 3D, CAD, games, multimedia, and multitasking user environments. Intel® Extended Memory 64 Technology enables the Intel® Pentium® processor to execute operating systems and applications written to take advange of the Intel EM64TΦ. § Datasheet 9