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Differences What are the advantages of each

Front view of Intel Xeon 5150

Reasons to consider the
Intel Xeon 5150

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
Much lower typical power consumption 52.81W vs 93.6W Around 45% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 15.66 $/year vs 27.75 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 100.92 $/year Around 45% lower annual commercial energy cost
Better overclocked clock speed (Water) 3.75 GHz vs 3.51 GHz More than 5% better overclocked clock speed (Water)
Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Much better performance per dollar 4.58 pt/$ vs 0.16 pt/$ More than 28x better performance per dollar
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.1 GHz vs 2.66 GHz More than 15% higher clock speed
Much better performance per watt 8.14 pt/W vs 1.73 pt/W Around 4.8x better performance per watt
Significantly better PassMark (Single core) score 1,742 vs 1,020 More than 70% better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 5,901 vs 1,741 Around 3.5x better PassMark score
Newer Jan, 2011 vs Jun, 2006 Release date over 4 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
Better overclocked clock speed (Air) 3.54 GHz vs 3.14 GHz Around 15% better overclocked clock speed (Air)
Higher Maximum operating temperature 72.6 °C vs 65 °C More than 10% higher Maximum operating temperature
More threads 4 vs 2 Twice as many threads

Benchmarks Real world tests of Xeon 5150 vs Core i5 2400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon 5150
4,970
Core i5 2400
8,298

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon 5150
1,413
Core i5 2400
2,638

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon 5150
106,800 MB/s
Core i5 2400
2,260,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon 5150
2,462
Core i5 2400
8,258

GeekBench

Xeon 5150
2,908
Core i5 2400
10,769

PassMark Data courtesy Passmark

Xeon 5150
1,741
Core i5 2400
5,901

PassMark (Single Core)

Xeon 5150
1,020
Core i5 2400
1,742

Specifications Full list of technical specs

summary

Xeon 5150  vs
Core i5 2400 
Clock speed 2.66 GHz 3.1 GHz
Cores Dual core Quad core
Socket type
LGA 771
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 27.75 $/year
Annual commercial energy cost 56.94 $/year 100.92 $/year
Performance per watt 1.73 pt/W 8.14 pt/W
Typical power consumption 52.81W 93.6W

details

Xeon 5150  vs
Core i5 2400 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 4 MB 1 MB
L2 cache per core 2 MB/core 0.25 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 2 1
Clock multiplier 8 31
Operating temperature Unknown - 65°C Unknown - 72.6°C

overclocking

Overclocked clock speed 3.14 GHz 3.54 GHz
Overclocked clock speed (Water) 3.75 GHz 3.51 GHz
PassMark (Overclocked) 1,498.5 3,244.5
Overclocked clock speed (Air) 3.14 GHz 3.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon 5150
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Intel Core i5 2400
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