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Intel Pentium D 840 Dual-Core LGA775 Processor Review
Intel Pentium D 840 Dual-Core LGA775 Processor Review - PCSTATS
This 90nm processor uses a pair of Prescott cores running at 3.2GHz to bring multi-processing to the desktop in a LGA775 pinless package.
 79% Rating:   
Filed under: CPU / Processors Published:  Author: 
External Mfg. Website: Intel Aug 17 2005   M. Dowler  
Home > Reviews > CPU / Processors > Intel Pentium D 840

Benchmarks: Sandra 2005, POVray

SiSoft Sandra 2005 Source:Sandra

Sandra is designed to test the theoretical power of a complete system as well as the individual components. The results are also purely theoretical and may not represent real world performance. Higher numbers are better.

Sisoft Sandra 2005 Benchmark Results
Multimedia Benchmark CPU Benchmark Memory Benchmark
Processors Integer SSE2: Floating-Point SSE2: Dhrystone SSE2: Whetstone SSE2: Integer SSE2: Float SSE2:
Pentium 4 540 24239 32071 10011 4082 FPU / 7070 SSE2 5374 5359
Athlon64 3800+ 22684 24395 10228 3753 FPU / 4894 SSE2 6060 6011
Athlon64 4000+ 22893 24716 10981 3491FPU /5118 SSE2 6105 6050
Athlon64 X2 4800+ 45781 49521 20272 7608 FPU / 9852 SSE2 5828 5777
Athlon64 X2 4800+ 64-bit 36025 55718 23874 8583 FPU / 10044 SSE2 5846 5811
Pentium D 840 36238 42965 17409 4621 FPU / 7950 SSE2 4906 4904
Pentium D 840 (4.02GHz) 44929 47590 18113 5737 FPU / 8711 SSE2 6092 6095
Pentium D 840 64-bit 39336 63726 18191 4970 FPU / 8774 SSE2 5106 5106

Units:

it/s it/s MIPS MFLOPS MB/s MB/s

Both dual-core processors post extremely impressive CPU numbers here. These are the highest figures we've ever seen in Sandra, bar none! The Intel Pentium D 840 and its 955X Express platform seem to lack in bandwidth though, which could be holding the combination back. Overclocking removes this restriction.

POVray Source: POVray

The Persistence of Vision Ray Tracer (POV-Ray) is an all round excellent package, but there are two things that particularly make it stand out above the rest of the crowd. Firstly, it's free, and secondly, the source is distributed so you can compile it on virtually any platform .

Lower numbers denote faster calculation times in seconds and hence, better performance.

POVRay Benchmark Results
Pawns 10x7AA: seconds Ranking
Pentium 4 540 205
Athlon64 3800+ 120
Athlon64 4000+ 120
Athlon64 X2 4800+ 126
Athlon64 X2 4800+ 64-bit 126
Pentium D 840 200
Pentium D 840 (4.02GHz) 162
Pentium D 840 64-bit 205

Another benchmark that gains nothing from dual-core or 64-bit operation. The Intel Pentium D 840 manages to beat the single-core Pentium 4 540, but falls behind the AMD processors by a considerable margin of ~80 seconds. Overclocking the Intel Pentium D 840 cuts this gap in half.

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Contents of Article: Intel Pentium D 840
 Pg 1.  Intel Pentium D 840 Dual-Core LGA775 Processor Review
 Pg 2.  State of the art CPU
 Pg 3.  Intel's Dual Core Technology
 Pg 4.  Intel 955X Express Chipset
 Pg 5.  Intel 945P/G chipset
 Pg 6.  Intel E7230 Server Core Logic
 Pg 7.  Pinless LGA775 Package
 Pg 8.  Overclocking Intel's new dual-core processor
 Pg 9.  Benchmarks: SysMark 2004
 Pg 10.  Benchmarks: Winstone 2004, Cinebench 2003
 Pg 11.  Benchmarks: Cinebench 2003 64-bit, Maya
 Pg 12.  Benchmarks: ScienceMark 2.0 in 32-bit and 64-bit
 Pg 13.  Benchmarks: SuperPI, Hexus piFast
 Pg 14.  — Benchmarks: Sandra 2005, POVray
 Pg 15.  Benchmarks: PCMark04, PCMark05
 Pg 16.  Benchmarks: 3DMark2001, 3DMark05
 Pg 17.  Benchmarks: Comanche 4, UT2003
 Pg 18.  Benchmarks: UT2004, Doom3
 Pg 19.  Intel's dual-core Workhorse

 
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