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Core i7-7500U vs i5-3570K


Description
The i7-7500U is based on Kaby Lake architecture while the i5-3570K is based on Ivy Bridge.

Using the multithread performance as a reference, the i7-7500U gets a score of 88.9 k points while the i5-3570K gets 120.2 k points.

Summarizing, the i5-3570K is 1.4 times faster than the i7-7500U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806e9
306a9
Core
Kaby Lake-U
Ivy Bridge
Architecture
Base frecuency
2.7 GHz
3.4 GHz
Boost frecuency
3.5 GHz
3.8 GHz
Socket
BGA1356
LGA 1155
Cores/Threads
2/4
4/4
TDP
15 W
77 W
Cache L1 (d+i)
2x32+2x32 kB
4x32+x4x32 kB
Cache L2
2x256 kB
4x256 kB
Cache L3
4096 kB
6144 kB
Date
August 2016
April 2012
Mean monothread perf.
48.67k points
34.57k points
Mean multithread perf.
86.94k points
120.16k 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
i7-7500U
i5-3570K
Test#1 (Integers)
3.53k
3.85k (x1.09)
Test#2 (FP)
14.67k
10.72k (x0.73)
Test#3 (Generic, ZIP)
4.84k
4.83k (x1)
Test#1 (Memory)
6.26k
5.21k (x0.83)
TOTAL
29.29k
24.6k (x0.84)

Multithread

i7-7500U

i5-3570K
Test#1 (Integers)
7.26k
14.34k (x1.98)
Test#2 (FP)
35.04k
40.2k (x1.15)
Test#3 (Generic, ZIP)
11.28k
17.91k (x1.59)
Test#1 (Memory)
5.69k
7.05k (x1.24)
TOTAL
59.27k
79.5k (x1.34)

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
i7-7500U
i5-3570K
Test#1 (Integers)
12.93k
12.78k (x0.99)
Test#2 (FP)
18.63k
11.69k (x0.63)
Test#3 (Generic, ZIP)
5.03k
5.01k (x1)
Test#1 (Memory)
6.16k
5.19k (x0.84)
TOTAL
42.75k
34.66k (x0.81)

Multithread

i7-7500U

i5-3570K
Test#1 (Integers)
27.13k
48.18k (x1.78)
Test#2 (FP)
43.19k
43.19k (x1)
Test#3 (Generic, ZIP)
11.7k
18.37k (x1.57)
Test#1 (Memory)
4.99k
7.03k (x1.41)
TOTAL
87.02k
116.78k (x1.34)

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
i7-7500U
i5-3570K
Test#1 (Integers)
12.71k
12.55k (x0.99)
Test#2 (FP)
18.61k
12.14k (x0.65)
Test#3 (Generic, ZIP)
4.78k
4.9k (x1.02)
Test#1 (Memory)
6.63k
4.98k (x0.75)
TOTAL
42.72k
34.57k (x0.81)

Multithread

i7-7500U

i5-3570K
Test#1 (Integers)
27.27k
47.53k (x1.74)
Test#2 (FP)
44.7k
46.16k (x1.03)
Test#3 (Generic, ZIP)
11.33k
18.36k (x1.62)
Test#1 (Memory)
5.55k
8.1k (x1.46)
TOTAL
88.86k
120.16k (x1.35)

Performance/W
i7-7500U
i5-3570K
Test#1 (Integers)
1818 points/W
617 points/W
Test#2 (FP)
2980 points/W
599 points/W
Test#3 (Generic, ZIP)
755 points/W
238 points/W
Test#1 (Memory)
370 points/W
105 points/W
TOTAL
5924 points/W
1560 points/W

Performance/GHz
i7-7500U
i5-3570K
Test#1 (Integers)
3631 points/GHz
3303 points/GHz
Test#2 (FP)
5316 points/GHz
3194 points/GHz
Test#3 (Generic, ZIP)
1365 points/GHz
1288 points/GHz
Test#1 (Memory)
1895 points/GHz
1310 points/GHz
TOTAL
12207 points/GHz
9096 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