Intel Xeon E3-1278L v4 

Released April, 2015
  • 2 GHz
  • Quad core

Features Key features of the Intel Xeon E3-1278L v4

clock speed

Xeon E3-1278L v4
2 GHz
Xeon E5540
2.53 GHz

turbo clock speed

Xeon E3-1278L v4
3.3 GHz
Xeon E5540
2.8 GHz

L3 cache

Xeon E3-1278L v4
6 MB
Xeon E5540
8 MB

gpu clock speed

Xeon E3-1278L v4
800 MHz
Xeon E5540
None

overclocked clock speed (air)

Xeon E3-1278L v4
2 GHz
Xeon E5540
3.57 GHz

overclocked clock speed (water)

Xeon E3-1278L v4
2 GHz
Xeon E5540
4.45 GHz

Specifications Full list of technical specs

summary

Clock speed 2 GHz
Turbo clock speed 3.3 GHz
Cores Quad core

features

Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. AES
  3. SSE
  4. SSE2
  5. SSE4.1
  6. SSE3
  7. Supplemental SSE3
  8. SSE4.2
  9. AVX 2.0
  10. AVX
  11. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 47W
Annual home energy cost 11.32 $/year
Annual commercial energy cost 41.17 $/year
Typical power consumption 38.19W

bus

Architecture DMI
Transfer rate 5,000 MT/s

details

Architecture x86-64
Threads 8 threads
L3 cache 6 MB
L3 cache per core 1.5 MB/core
Manufacture process 14 nm
Max CPUs 1

overclocking

Overclocked clock speed 2 GHz
Overclocked clock speed (Water) 2 GHz
Overclocked clock speed (Air) 2 GHz

integrated graphics

GPU GPU
Label Intel® Iris™ Pro Graphics P6300
Number of displays supported 3
GPU clock speed 800 MHz
Turbo clock speed 1,000 MHz

memory controller

Memory controller Built-in
Memory type DDR3
Channels Dual Channel
Supports ECC Yes
Maximum bandwidth 12,800 MB/s
Maximum memory size 32,768 MB
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