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Core i3-6100U vs i7-6500U


Description
Both models i3-6100U and i7-6500U are based on Skylake architecture.

Sky Lake is also known as 6th generation Core. Include Thunderbolt 3.0, SATA Express and Iris Pro graphics with DirectX 12. It uses LGA 1151 socket for mainstream models and LGA 2066 for X-Series. Sky Lake comes with AVX2 support in all mainstreams CPUs and AVX-512 in some high end models.

Using the multithread performance as a reference, the i3-6100U gets a score of 69.9 k points while the i7-6500U gets 97.5 k points.

Summarizing, the i7-6500U is 1.4 times faster than the i3-6100U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
406e3
406e3
Core
Skylake-U
Skylake-U
Architecture
Base frecuency
2.3 GHz
2.5 GHz
Boost frecuency
2.3 GHz
3.1 GHz
Socket
BGA1356
BGA1356
Cores/Threads
2/4
2/4
TDP
15 W
15 W
Cache L1 (d+i)
2x32+2x32 kB
2x32+2x32 kB
Cache L2
2x256 kB
4096 kB
Cache L3
3072 kB
kB
Date
September 2015
September 2015
Mean monothread perf.
30.73k points
46.25k points
Mean multithread perf.
69.94k points
97.52k points

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i3-6100U
i7-6500U
Test#1 (Integers)
2.27k
2.98k (x1.31)
Test#2 (FP)
9.18k
12.19k (x1.33)
Test#3 (Generic, ZIP)
2.97k
3.91k (x1.32)
Test#1 (Memory)
3.79k
5.3k (x1.4)
TOTAL
18.21k
24.37k (x1.34)

Multithread

i3-6100U

i7-6500U
Test#1 (Integers)
4.79k
6.1k (x1.27)
Test#2 (FP)
23.04k
28.73k (x1.25)
Test#3 (Generic, ZIP)
7.55k
9.56k (x1.27)
Test#1 (Memory)
3.86k
6.71k (x1.74)
TOTAL
39.24k
51.09k (x1.3)

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
i7-6500U
Test#1 (Integers)
7.99k
11.11k (x1.39)
Test#2 (FP)
11.82k
15.97k (x1.35)
Test#3 (Generic, ZIP)
2.97k
4.25k (x1.43)
Test#1 (Memory)
3.75k
5.66k (x1.51)
TOTAL
26.52k
36.99k (x1.39)

Multithread

i3-6100U

i7-6500U
Test#1 (Integers)
15.44k
23.1k (x1.5)
Test#2 (FP)
23.79k
36.73k (x1.54)
Test#3 (Generic, ZIP)
6.93k
9.99k (x1.44)
Test#1 (Memory)
4.03k
7k (x1.74)
TOTAL
50.19k
76.82k (x1.53)

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
i3-6100U
i7-6500U
Test#1 (Integers)
8.06k
11.09k (x1.38)
Test#2 (FP)
12.85k
17.1k (x1.33)
Test#3 (Generic, ZIP)
3.14k
4.12k (x1.31)
Test#1 (Memory)
4.01k
5.58k (x1.39)
TOTAL
28.06k
37.9k (x1.35)

Multithread

i3-6100U

i7-6500U
Test#1 (Integers)
16.58k
23.3k (x1.41)
Test#2 (FP)
28.88k
38.52k (x1.33)
Test#3 (Generic, ZIP)
7.38k
9.95k (x1.35)
Test#1 (Memory)
3.82k
6.95k (x1.82)
TOTAL
56.66k
78.72k (x1.39)

AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i3-6100U
i7-6500U
Test#1 (Integers)
12.55k
19.47k (x1.55)
Test#2 (FP)
12.19k
17.58k (x1.44)
Test#3 (Generic, ZIP)
2.81k
4.05k (x1.44)
Test#1 (Memory)
3.18k
5.15k (x1.62)
TOTAL
30.73k
46.25k (x1.5)

Multithread

i3-6100U

i7-6500U
Test#1 (Integers)
29.33k
42.05k (x1.43)
Test#2 (FP)
28.81k
40.2k (x1.4)
Test#3 (Generic, ZIP)
6.46k
9.4k (x1.45)
Test#1 (Memory)
5.33k
5.86k (x1.1)
TOTAL
69.94k
97.52k (x1.39)

Performance/W
i3-6100U
i7-6500U
Test#1 (Integers)
1956 points/W
2803 points/W
Test#2 (FP)
1921 points/W
2680 points/W
Test#3 (Generic, ZIP)
431 points/W
626 points/W
Test#1 (Memory)
356 points/W
391 points/W
TOTAL
4663 points/W
6501 points/W

Performance/GHz
i3-6100U
i7-6500U
Test#1 (Integers)
5459 points/GHz
6279 points/GHz
Test#2 (FP)
5302 points/GHz
5672 points/GHz
Test#3 (Generic, ZIP)
1220 points/GHz
1305 points/GHz
Test#1 (Memory)
1382 points/GHz
1662 points/GHz
TOTAL
13362 points/GHz
14918 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