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Xeon E5-2651 v2 vs Core i5-3437U


Description
Both models E5-2651 v2 and i5-3437U are based on Ivy Bridge architecture.

"Ivy Bridge is the last Intel microarchitecture for which there is official driver support for Windows XP . It is made under 22 nm Tri-Gate transistor (""3D"") technology and is basically a Sandy Bridge shrink. It has PCI Express 3.0 support and RdRand instruction for security tasks."

Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the i5-3437U gets 30.5 k points.

Summarizing, the E5-2651 v2 is 14 times faster than the i5-3437U . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306e4
306a9
Core
Ivy Bridge-EP
Ivy Bridge
Architecture
Base frecuency
1.8 GHz
1.9 GHz
Boost frecuency
2.2 GHz
2.9 GHz
Socket
LGA 2011
BGA1023
Cores/Threads
12/24
2 /4
TDP
W
17 W
Cache L1 (d+i)
12x32+12x32 kB
2x32+2x32 kB
Cache L2
12x256 kB
2x256 kB
Cache L3
30720 kB
3072 kB
Date
October 2013
January 2013
Mean monothread perf.
17.75k points
14.65k points
Mean multithread perf.
426.18k points
30.46k points

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
E5-2651 v2
i5-3437U
Test#1 (Integers)
6.69k
4.96k (x0.74)
Test#2 (FP)
6.35k
5.67k (x0.89)
Test#3 (Generic, ZIP)
2.54k
1.91k (x0.75)
Test#1 (Memory)
2.17k
2.11k (x0.97)
TOTAL
17.75k
14.65k (x0.83)

Multithread

E5-2651 v2

i5-3437U
Test#1 (Integers)
165.17k
10.4k (x0.06)
Test#2 (FP)
176.85k
12.73k (x0.07)
Test#3 (Generic, ZIP)
73.91k
4.34k (x0.06)
Test#1 (Memory)
10.25k
2.99k (x0.29)
TOTAL
426.18k
30.46k (x0.07)

Performance/W
E5-2651 v2
i5-3437U
Test#1 (Integers)