Compaq Evo D300 Comparison of Intel Pentium III and Pentium 4 Processor Perfor
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- Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 1
. Common benchmark workloads are discussed to provide an illustration of which areas of computing will benefit the most from this new architecture. Results of Compaq benchmark testing, comparing results for both processors, are included to demonstrate the performance gains realizable with the new - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 2
of the product or products that were Compaq, the Compaq logo, Evo and Deskpro are trademarks of Compaq Information Technologies Group, L.P. in the U.S. and/or other countries. Intel, Pentium, and Celeron are trademarks of Intel Corporation in the U.S. and/or other countries. Microsoft and Windows - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 3
which will be increasingly enabled in Office XP, Windows® XP and Web services • Enhanced 3D rendering for business analysis, video decompression for e-learning, and peerto-peer interaction for improved collaboration • Secure connections with support for latest encryption technology for data transfer - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 4
, Windows XP and Web services. Nevertheless, in the short term, if the customer's need is primarily for office applications and there is a budget constraint, Pentium III may still offer an acceptable solution. However, the customer should be aware that Compaq expects that, in the near future, office - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 5
MHz (Frequency) x Instructions executed per clock (IPC) The Pentium 4 processor addresses the two are memory- and bandwidth- intensive and, 2) integer-based and basic office productivity applications business-oriented applications in the Microsoft Windows operation system. SYSmark contains twelve - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 6
It is also clear that performance gains in the Office Productivity workload are less dramatic when compared to Internet Content Creation workload. In the Internet Content Creation workload, where the typical workload is streamed in nature (Windows Media Encode for example), the application tends to - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 7
represent the 3D object, the more closely the approximation of the mathematical description resembles the 3D object. The process of breaking up a 3D complex floating-point vector calculations. The CPU index performance gain in the 3D Winbench 2000 - Processor Test, benchmark, illustrated in Figure - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 8
Processor processor is III processors in Instructions executed Per Clock) potential. Integer-based and basic office productivity fact that higher processor speeds from Intel will processor speeds. (Intel will continue to refresh Celeron processors processor speed. The customer should be aware that Compaq - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 9
Comparison of Intel Pentium III and Pentium 4 Processor Performance White Paper 9 Additional Micro-Architecture Detail Figures 4 and 5 provide an overview of the micro-architectures of the Pentium III and Pentium 4 processors respectively. Pentium III Figure 4: Pentium III Micro-Architecture - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 10
Comparison of Intel Pentium III and Pentium 4 Processor Performance White Paper 10 Pentium 4 Figure 5: Pentium 4 execution time • Execution Trace Cache to remove the long latency associated with the instruction decoder from the main execution loop in the Pentium III • Rapid Execution Engine - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 11
Processor Performance White Paper 11 • Advanced Dynamic Execution with very wide windows of instructions (126 instructions versus 42 instructions interrupt servicing (bus message versus I/O cycles) • Streaming Single Instruction Multiple Data Extension 2 (SSE2) with 144 new instructions that - Compaq Evo D300 | Comparison of Intel Pentium III and Pentium 4 Processor Perfor - Page 12
Comparison of Intel Pentium III and Pentium 4 Processor Performance White Paper 12 Impact of DirectX 8.0 Optimized usage of SSE/SSE2 extension and code flow optimization to take advantage of the new NetBurst micro-architecture, allow graphic drivers to make use of DirectX 8.0 programmable vertex
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White Paper
October 2001
Prepared by:
Workstations Division Engineering
Compaq Computer Corporation
Contents
Introduction
.................................
3
Comparison of Pentium 4 and
Pentium III Architecture
Benefits
.......................................
3
Case for Performance
..................
5
SYSmark 2001
.........................
5
3D WinBench 2000 –
Processor Test
.........................
6
Summary
.....................................
8
Additional Micro-Architecture
Detail
..........................................
9
Pentium III
...............................
9
Pentium 4
..............................
10
Impact of DirectX 8.0
..............
12
15WD-1101A-WWEN
Comparison of Intel Pentium III
and Pentium 4 Processor
Performance
Abstract:
This white paper summarizes key technology
advancements in the Intel® Pentium® 4 processor compared with
the previous-generation Intel Pentium III processor. Common
benchmark workloads are discussed to provide an illustration of
which areas of computing will benefit the most from this new
architecture. Results of Compaq benchmark testing, comparing
results for both processors, are included to demonstrate the
performance gains realizable with the new processor.