CPUBoss Review Our evaluation of L5408 vs E7450 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

4.6

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon L5408 

CPUBoss recommends the Intel Xeon L5408  based on its cost to run and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon L5408

Reasons to consider the
Intel Xeon L5408

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Much more l2 cache 12 MB vs 9 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 1.5 MB/core 2x more l2 cache per core
Much lower typical power consumption 32.5W vs 73.13W 2.2x lower typical power consumption
Much better overclocked clock speed (Air) 3.34 GHz vs 2.59 GHz Around 30% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.12 GHz vs 2.4 GHz More than 70% better overclocked clock speed (Water)
Much lower annual commercial energy cost 35.04 $/year vs 78.84 $/year 2.2x lower annual commercial energy cost
Much lower annual home energy cost 9.64 $/year vs 21.68 $/year 2.2x lower annual home energy cost
Front view of Intel Xeon E7450

Reasons to consider the
Intel Xeon E7450

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Supports more CPUs in SMP configuration 32 vs 2 30 supports more CPUs in SMP configuration
Significantly higher clock speed 2.4 GHz vs 2.13 GHz Around 15% higher clock speed
More cores 6 vs 4 2 more cores; run more applications at once
More threads 6 vs 4 2 more threads
Newer Sep, 2008 vs Feb, 2008 Release date 6 months later

Benchmarks Real world tests of Xeon L5408 vs E7450

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5408
6,095
Xeon E7450
18,532.5

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5408
1,324
Xeon E7450
1,070.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5408
105,400 MB/s
Xeon E7450
86.3 MB/s

Specifications Full list of technical specs

summary

Xeon L5408  vs
E7450 
Clock speed 2.13 GHz 2.4 GHz
Cores Quad core Hexa core
Socket type
LGA 771
604

features

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

power consumption

TDP 40W 90W
Annual home energy cost 9.64 $/year 21.68 $/year
Annual commercial energy cost 35.04 $/year 78.84 $/year
Performance per watt 3.41 pt/W 2.33 pt/W
Typical power consumption 32.5W 73.13W

bus

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

details

Xeon L5408  vs
E7450 
Architecture x86-64 x86-64
Threads 4 6
L2 cache 12 MB 9 MB
L2 cache per core 3 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 1,900,000,000
Max CPUs 2 32
Clock multiplier 8 9
Voltage range 0.85 - 1.35V 0.9 - 1.45V
Operating temperature Unknown - 72°C Unknown - 68°C

overclocking

Overclocked clock speed 3.34 GHz 2.59 GHz
Overclocked clock speed (Water) 4.12 GHz 2.4 GHz
Overclocked clock speed (Air) 3.34 GHz 2.59 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
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Intel Xeon E7450
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