Xeon E5-2651 v2 vs Core i7-640LM
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the i7-640LM is based on Westmere.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 415 k points while the i7-640LM gets 31.7 k points.
Summarizing, the E5-2651 v2 is 13.1 times faster than the i7-640LM. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 415 k points while the i7-640LM gets 31.7 k points.
Summarizing, the E5-2651 v2 is 13.1 times faster than the i7-640LM. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
20655
Core
Ivy Bridge-EP
Calpella
Base frecuency
1.8 GHz
2.133 GHz
Boost frecuency
2.2 GHz
2.667 GHz
Socket
LGA 2011
BGA1288
Cores/Threads
12/24
2/4
TDP
W
25 W
Cache L1 (d+i)
12x32+12x32 kB
2x32+2x32 kB
Cache L2
12x256 kB
2x256 kB
Cache L3
30720 kB
4096 kB
Date
October 2013
January 2010
Mean monothread perf.
17.75k points
16.35k points
Mean multithread perf.
426.18k points
31.74k 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
i7-640LM
Test#1 (Integers)
6.75k
7.01k (x1.04)
Test#2 (FP)
6.05k
4.58k (x0.76)
Test#3 (Generic, ZIP)
2.61k
2.73k (x1.05)
Test#1 (Memory)
2.26k
2.03k (x0.9)
TOTAL
17.68k
16.35k (x0.92)
Multithread
E5-2651 v2
i7-640LM
Test#1 (Integers)
168.18k
12.93k (x0.08)
Test#2 (FP)
159.6k
10.21k (x0.06)
Test#3 (Generic, ZIP)
77.04k
6.22k (x0.08)
Test#1 (Memory)
10.19k
2.37k (x0.23)
TOTAL
415.01k
31.74k (x0.08)
Performance/W
E5-2651 v2
i7-640LM
Test#1 (Integers)