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Core i3-7100U vs i3-2100


Description
The i3-7100U is based on Kaby Lake architecture while the i3-2100 is based on Sandy Bridge.

Using the multithread performance as a reference, the i3-7100U gets a score of 60.5 k points while the i3-2100 gets 40.1 k points.

Summarizing, the i3-7100U is 1.5 times faster than the i3-2100 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806e9
206a7
Core
Kaby Lake-U
Architecture
Base frecuency
2.4 GHz
3.1 GHz
Socket
BGA 1356
LGA 1155
Cores/Threads
2/4
2/4
TDP
15 W
65 W
Cache L1 (d+i)
2x32+2x32 kB
2x32+2x32 kB
Cache L2
2x256 kB
2x256 kB
Cache L3
3072 kB
3072 kB
Date
August 2016
February 2011
Mean monothread perf.
33.38k points
19.52k points
Mean multithread perf.
79.6k points
40.1k 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
i3-7100U
i3-2100
Test#1 (Integers)
8.76k
7.07k (x0.81)
Test#2 (FP)
13.49k
7.16k (x0.53)
Test#3 (Generic, ZIP)
3.21k
2.62k (x0.82)
Test#1 (Memory)
3.9k
2.67k (x0.69)
TOTAL
29.36k
19.52k (x0.66)

Multithread

i3-7100U

i3-2100
Test#1 (Integers)
18.33k
14.19k (x0.77)
Test#2 (FP)
31.08k
15.19k (x0.49)
Test#3 (Generic, ZIP)
7.5k
7.26k (x0.97)
Test#1 (Memory)
3.61k
3.46k (x0.96)
TOTAL
60.52k
40.1k (x0.66)

Performance/W
i3-7100U
i3-2100
Test#1 (Integers)
1222 points/W
218 points/W
Test#2 (FP)
2072 points/W
234 points/W
Test#3 (Generic, ZIP)
500 points/W
112 points/W
Test#1 (Memory)
240 points/W
53 points/W
TOTAL
4035 points/W
617 points/W

Performance/GHz
i3-7100U
i3-2100
Test#1 (Integers)
3652 points/GHz
2279 points/GHz
Test#2 (FP)
5622 points/GHz
2311 points/GHz
Test#3 (Generic, ZIP)
1337 points/GHz
845 points/GHz
Test#1 (Memory)
1624 points/GHz
862 points/GHz
TOTAL
12235 points/GHz
6297 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