| | | | | | |

Xeon E5-2651 v2 vs Core i5-520M


Description
The E5-2651 v2 is based on Ivy Bridge architecture while the i5-520M is based on Westmere.

Using the multithread performance as a reference, the E5-2651 v2 gets a score of 415 k points while the i5-520M gets 33.1 k points.

Summarizing, the E5-2651 v2 is 12.5 times faster than the i5-520M. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306e4
20652
Core
Ivy Bridge-EP
Arrandale
Architecture
Base frecuency
1.8 GHz
2.4 GHz
Boost frecuency
2.2 GHz
2.933 GHz
Socket
LGA 2011
FC-PGA 988
Cores/Threads
12/24
2/4
TDP
W
35 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 2010
Mean monothread perf.
17.75k points
15.93k points
Mean multithread perf.
426.18k points
33.14k points

SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
E5-2651 v2
i5-520M
Test#1 (Integers)
6.75k
6.67k (x0.99)
Test#2 (FP)
6.05k
4.59k (x0.76)
Test#3 (Generic, ZIP)
2.61k
2.49k (x0.95)
Test#1 (Memory)
2.26k
2.18k (x0.96)
TOTAL
17.68k
15.93k (x0.9)

Multithread

E5-2651 v2

i5-520M
Test#1 (Integers)
168.18k
13.75k (x0.08)
Test#2 (FP)
159.6k
10.03k (x0.06)
Test#3 (Generic, ZIP)
77.04k
6.67k (x0.09)
Test#1 (Memory)
10.19k
2.68k (x0.26)
TOTAL
415.01k
33.14k (x0.08)

Performance/W
E5-2651 v2
i5-520M
Test#1 (Integers)