Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Intel Xeon L5408

Reasons to consider the
Intel Xeon L5408

Report a correction
Much more l2 cache 12 MB vs 6 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly better geekbench 3 Multi-Core score 6,095 vs 2,982 More than 2x better geekbench 3 Multi-Core score
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower typical power consumption 32.5W vs 52.81W Around 40% lower typical power consumption
More cores 4 vs 2 Twice as many cores; run more applications at once
Better performance per watt 3.41 pt/W vs 1.83 pt/W More than 85% better performance per watt
More threads 4 vs 2 Twice as many threads
Significantly lower annual home energy cost 9.64 $/year vs 15.66 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 35.04 $/year vs 56.94 $/year Around 40% lower annual commercial energy cost
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

Report a correction
Significantly higher clock speed 3 GHz vs 2.13 GHz More than 40% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per dollar 0.67 pt/$ vs 0.28 pt/$ Around 2.5x better performance per dollar
Significantly better overclocked clock speed (Air) 4.22 GHz vs 3.34 GHz More than 25% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,251 vs 932 Around 35% better PassMark (Single core) score

Benchmarks Real world tests of Xeon L5408 vs Core2 Duo E8400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5408
105,400 MB/s
Core2 Duo E8400
128,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L5408  vs
Core2 Duo E8400 
Clock speed 2.13 GHz 3 GHz
Cores Quad core Dual core
Socket type
LGA 771
LGA 775

features

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

power consumption

TDP 40W 65W
Annual home energy cost 9.64 $/year 15.66 $/year
Annual commercial energy cost 35.04 $/year 56.94 $/year
Performance per watt 3.41 pt/W 1.83 pt/W
Typical power consumption 32.5W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,333 MHz

details

Xeon L5408  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 12 MB 6 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 410,000,000
Max CPUs 2 1
Clock multiplier 8 9
Voltage range 0.85 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 72°C Unknown - 72.4°C

overclocking

Overclocked clock speed 3.34 GHz 4.22 GHz
Overclocked clock speed (Water) 4.12 GHz 4.23 GHz
Overclocked clock speed (Air) 3.34 GHz 4.22 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Xeon L5408
Report a correction
Intel Core2 Duo E8400
Report a correction

Comments

comments powered by Disqus