Intel Xeon L5240 

Released July, 2008
  • 3 GHz
  • Dual core

Benchmarks Real world tests of the Intel Xeon L5240

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5240
Core i7 2600K

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5240

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5240
128.5 MB/s
Core i7 2600K
2,500,000 MB/s
Core2 Duo E8400
128,000 MB/s

PassMark Data courtesy Passmark

Xeon L5240

PassMark (Single Core)

Xeon L5240

Specifications Full list of technical specs


Clock speed 3 GHz
Cores Dual core
Socket type LGA 771


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

power consumption

Annual home energy cost 9.64 $/year
Annual commercial energy cost 35.04 $/year
Performance per watt 2.22 pt/W
Typical power consumption 32.5W


Architecture FSB
Clock speed 1,333 MHz


Architecture x86-64
Threads 2 threads
L2 cache 6 MB
L2 cache per core 3 MB/core
Manufacture process 45 nm
Transistor count 410,000,000
Max CPUs 2
Clock multiplier 9
Voltage range 0.85 - 1.35V
Operating temperature Unknown - 56°C


Overclocked clock speed 4.05 GHz
Overclocked clock speed (Water) 3 GHz
Overclocked clock speed (Air) 4.05 GHz

integrated graphics

GPU None
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Showing 1 comment.
This CPU is similliar to E8400 but has a much lower voltage and TDP(40W). Its pretty EASY to overclock to 3.6GHz(400x9). Works in Socket 775 with adapter. @ 3.6G can play BF3 on ultra settings ~50-60fps (1920x1080, HD6970, P5Q, 8G PC2-800). Pretty cool CPU, you can buy used one for $25 shipped.
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