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Core i5-2520M vs Xeon E5-2680 v2


Description
The i5-2520M is based on Sandy Bridge architecture while the E5-2680 v2 is based on Ivy Bridge.

Using the multithread performance as a reference, the i5-2520M gets a score of 50.2 k points while the E5-2680 v2 gets 551.1 k points.

Summarizing, the E5-2680 v2 is 11 times faster than the i5-2520M . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
206a7
306e4
Core
Sandy Bridge
Ivy Bridge-EP
Architecture
Base frecuency
2.5 GHz
2.8 GHz
Boost frecuency
3.2 GHz
3.6 GHz
Socket
BGA1023
LGA 2011
Cores/Threads
2/2
10 /20
TDP
35 W
115 W
Cache L1 (d+i)
2x32+2x32 kB
10x32+10x32 kB
Cache L2
2x256 kB
10x256 kB
Cache L3
3072 kB
25600 kB
Date
February 2011
September 2013
Mean monothread perf.
24.13k points
28.23k points
Mean multithread perf.
50.23k points
551.1k 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
i5-2520M
E5-2680 v2
Test#1 (Integers)
9.04k
10.55k (x1.17)
Test#2 (FP)
8.03k
10.02k (x1.25)
Test#3 (Generic, ZIP)
4.06k
3.99k (x0.98)
Test#1 (Memory)
2.99k
3.66k (x1.22)
TOTAL
24.13k
28.23k (x1.17)

Multithread

i5-2520M

E5-2680 v2
Test#1 (Integers)
19.82k
215.04k (x10.85)
Test#2 (FP)
18.12k
230.43k (x12.72)
Test#3 (Generic, ZIP)
9.23k
96.87k (x10.5)
Test#1 (Memory)
3.06k
8.76k (x2.86)
TOTAL
50.23k
551.1k (x10.97)

Performance/W
i5-2520M
E5-2680 v2
Test#1 (Integers)
566 points/W
1870 points/W
Test#2 (FP)
518 points/W
2004 points/W
Test#3 (Generic, ZIP)
264 points/W
842 points/W
Test#1 (Memory)
88 points/W
76 points/W
TOTAL
1435 points/W
4792 points/W

Performance/GHz
i5-2520M
E5-2680 v2
Test#1 (Integers)
2826 points/GHz
2931 points/GHz
Test#2 (FP)
2510 points/GHz
2784 points/GHz
Test#3 (Generic, ZIP)
1269 points/GHz
1109 points/GHz
Test#1 (Memory)
935 points/GHz
1017 points/GHz
TOTAL
7540 points/GHz
7841 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4