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Core i3-6100U vs i5-520M


Description
The i3-6100U is based on Skylake architecture while the i5-520M is based on Westmere.

Using the multithread performance as a reference, the i3-6100U gets a score of 50.2 k points while the i5-520M gets 33.1 k points.

Summarizing, the i3-6100U is 1.5 times faster than the i5-520M. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
406e3
20652
Core
Skylake-U
Arrandale
Architecture
Base frecuency
2.3 GHz
2.4 GHz
Boost frecuency
2.3 GHz
2.933 GHz
Socket
BGA1356
FC-PGA 988
Cores/Threads
2/4
2/4
TDP
15 W
35 W
Cache L1 (d+i)
2x32+2x32 kB
2x32+2x32 kB
Cache L2
2x256 kB
2x256 kB
Cache L3
3072 kB
3072 kB
Date
September 2015
January 2010
Mean monothread perf.
30.73k points
15.93k points
Mean multithread perf.
69.94k 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
i3-6100U
i5-520M
Test#1 (Integers)
7.99k
6.67k (x0.84)
Test#2 (FP)
11.82k
4.59k (x0.39)
Test#3 (Generic, ZIP)
2.97k
2.49k (x0.84)
Test#1 (Memory)
3.75k
2.18k (x0.58)
TOTAL
26.52k
15.93k (x0.6)

Multithread

i3-6100U

i5-520M
Test#1 (Integers)
15.44k
13.75k (x0.89)
Test#2 (FP)
23.79k
10.03k (x0.42)
Test#3 (Generic, ZIP)
6.93k
6.67k (x0.96)
Test#1 (Memory)
4.03k
2.68k (x0.67)
TOTAL
50.19k
33.14k (x0.66)

Performance/W
i3-6100U
i5-520M
Test#1 (Integers)
1029 points/W
393 points/W
Test#2 (FP)
1586 points/W
287 points/W
Test#3 (Generic, ZIP)
462 points/W
191 points/W
Test#1 (Memory)
269 points/W
77 points/W
TOTAL
3346 points/W
947 points/W

Performance/GHz
i3-6100U
i5-520M
Test#1 (Integers)
3474 points/GHz
2275 points/GHz
Test#2 (FP)
5137 points/GHz
1567 points/GHz
Test#3 (Generic, ZIP)
1290 points/GHz
849 points/GHz
Test#1 (Memory)
1631 points/GHz
742 points/GHz
TOTAL
11532 points/GHz
5433 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