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Core i3-6100U vs i7-4820K


Description
The i3-6100U is based on Skylake architecture while the i7-4820K is based on Ivy Bridge.

Using the multithread performance as a reference, the i3-6100U gets a score of 56.7 k points while the i7-4820K gets 134.1 k points.

Summarizing, the i7-4820K is 2.4 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
306e4
Core
Skylake-U
Ivy Bridge -E
Architecture
Base frecuency
2.3 GHz
3.7 GHz
Boost frecuency
2.3 GHz
3.9 GHz
Socket
BGA1356
LGA 1155
Cores/Threads
2/4
4/8
TDP
15 W
130 W
Cache L1 (d+i)
2x32+2x32 kB
32+32 kB
Cache L2
2x256 kB
256 kB
Cache L3
3072 kB
8192 kB
Date
September 2015
September 2013
Mean monothread perf.
30.73k points
32.49k points
Mean multithread perf.
69.94k points
134.08k 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
i3-6100U
i7-4820K
Test#1 (Integers)
8.06k
11.85k (x1.47)
Test#2 (FP)
12.85k
11.84k (x0.92)
Test#3 (Generic, ZIP)
3.14k
4.69k (x1.49)
Test#1 (Memory)
4.01k
4.12k (x1.03)
TOTAL
28.06k
32.49k (x1.16)

Multithread

i3-6100U

i7-4820K
Test#1 (Integers)
16.58k
47.65k (x2.87)
Test#2 (FP)
28.88k
54.81k (x1.9)
Test#3 (Generic, ZIP)
7.38k
21.56k (x2.92)
Test#1 (Memory)
3.82k
10.05k (x2.63)
TOTAL
56.66k
134.08k (x2.37)

Performance/W
i3-6100U
i7-4820K
Test#1 (Integers)
1105 points/W
367 points/W
Test#2 (FP)
1925 points/W
422 points/W
Test#3 (Generic, ZIP)
492 points/W
166 points/W
Test#1 (Memory)
254 points/W
77 points/W
TOTAL
3777 points/W
1031 points/W

Performance/GHz
i3-6100U
i7-4820K
Test#1 (Integers)
3506 points/GHz
3039 points/GHz
Test#2 (FP)
5587 points/GHz
3035 points/GHz
Test#3 (Generic, ZIP)
1366 points/GHz
1201 points/GHz
Test#1 (Memory)
1742 points/GHz
1056 points/GHz
TOTAL
12201 points/GHz
8331 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