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!

Differences What are the advantages of each

Front view of Intel Xeon E3-1265L v4

Reasons to consider the
Intel Xeon E3-1265L v4

Report a correction
Higher clock speed 2.3 GHz vs 2 GHz Around 15% higher clock speed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher turbo clock speed 3.3 GHz vs 3 GHz Around 10% higher turbo clock speed
More threads 8 vs 4 Twice as many threads
Newer Apr, 2015 vs Feb, 2014 Release date over 1 years later
Front view of Intel Core i5 4590T

Reasons to consider the
Intel Core i5 4590T

Report a correction
Much better performance per dollar 4.21 pt/$ vs 1.25 pt/$ Around 3.5x better performance per dollar
Much better performance per watt 23.11 pt/W vs 14.84 pt/W More than 55% better performance per watt
Better turbo clock speed 1,150 MHz vs 1,050 MHz Around 10% better turbo clock speed
Higher GPU clock speed 350 MHz vs 300 MHz More than 15% higher GPU clock speed

Features Key features of the Xeon E3-1265L v4  vs Core i5 4590T 

clock speed

turbo clock speed

gpu clock speed

Specifications Full list of technical specs


Xeon E3-1265L v4  vs
Core i5 4590T 
Clock speed 2.3 GHz 2 GHz
Turbo clock speed 3.3 GHz 3 GHz
Cores Quad core Quad core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB


Xeon E3-1265L v4  vs
Core i5 4590T 
Architecture x86-64 x86-64
Threads 8 4
Manufacture process 14 nm 22 nm
Max CPUs 1 1

integrated graphics

Label Intel® Iris™ Pro Graphics P6300 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 300 MHz 350 MHz
Turbo clock speed 1,050 MHz 1,150 MHz

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Annual commercial energy cost 30.66 $/year 30.66 $/year
Performance per watt 14.84 pt/W 23.11 pt/W
Typical power consumption 28.44W 28.44W


Architecture DMI DMI 2.0
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Xeon E3-1265L v4
Report a correction
Intel Core i5 4590T
Report a correction


comments powered by Disqus