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Xeon E5-2651 v2 vs Core 2 Duo E6320


Description
The E5-2651 v2 is based on Ivy Bridge architecture while the E6320 is based on Core.

Using the multithread performance as a reference, the E5-2651 v2 gets a score of 415 k points while the E6320 gets 13.2 k points.

Summarizing, the E5-2651 v2 is 31.4 times faster than the E6320 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306e4
6f6
Core
Ivy Bridge-EP
Conroe
Architecture
Base frecuency
1.8 GHz
1.86 GHz
Boost frecuency
2.2 GHz
1.86 GHz
Socket
LGA 2011
LGA 775
Cores/Threads
12/24
2/2
TDP
W
65 W
Cache L1 (d+i)
12x32+12x32 kB
2x32+2x32 kB
Cache L2
12x256 kB
4096 kB
Cache L3
30720 kB
0 kB
Date
October 2013
April 2007
Mean monothread perf.
17.75k points
8.24k points
Mean multithread perf.
426.18k points
13.19k 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
E6320
Test#1 (Integers)
6.75k
2.16k (x0.32)
Test#2 (FP)
6.05k
1.94k (x0.32)
Test#3 (Generic, ZIP)
2.61k
1.94k (x0.75)
Test#1 (Memory)
2.26k
2.2k (x0.97)
TOTAL
17.68k
8.24k (x0.47)

Multithread

E5-2651 v2

E6320
Test#1 (Integers)
168.18k
4.28k (x0.03)
Test#2 (FP)
159.6k
3.82k (x0.02)
Test#3 (Generic, ZIP)
77.04k
3.84k (x0.05)
Test#1 (Memory)
10.19k
1.25k (x0.12)
TOTAL
415.01k
13.19k (x0.03)

Performance/W
E5-2651 v2
E6320
Test#1 (Integers)