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Xeon E5472 vs E5-2651 v2


Description
The E5472 is based on Core architecture while the E5-2651 v2 is based on Ivy Bridge.

Using the multithread performance as a reference, the E5472 gets a score of 48.6 k points while the E5-2651 v2 gets 415 k points.

Summarizing, the E5-2651 v2 is 8.5 times faster than the E5472. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
10676
306e4
Core
Harpertown
Ivy Bridge-EP
Architecture
Base frecuency
3 GHz
1.8 GHz
Boost frecuency
3 GHz
2.2 GHz
Socket
LGA-771
LGA 2011
Cores/Threads
4/4
12/24
TDP
80 W
W
Cache L1 (d+i)
4x32+4x32 kB
12x32+12x32 kB
Cache L2
2x6144 kB
12x256 kB
Cache L3
kB
30720 kB
Date
November 2007
October 2013
Mean monothread perf.
16.62k points
17.75k points
Mean multithread perf.
48.62k points
426.18k 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
E5472
E5-2651 v2
Test#1 (Integers)
2.88k
6.75k (x2.34)
Test#2 (FP)
6.36k
6.05k (x0.95)
Test#3 (Generic, ZIP)
2.55k
2.61k (x1.02)
Test#1 (Memory)
4.83k
2.26k (x0.47)
TOTAL
16.62k
17.68k (x1.06)

Multithread

E5472

E5-2651 v2
Test#1 (Integers)
11.19k
168.18k (x15.03)
Test#2 (FP)
24.85k
159.6k (x6.42)
Test#3 (Generic, ZIP)
10.04k
77.04k (x7.68)
Test#1 (Memory)
2.54k
10.19k (x4.01)
TOTAL
48.62k
415.01k (x8.54)

Performance/W
E5472
E5-2651 v2
Test#1 (Integers)
140 points/W