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Core i5-5675R vs i5-8250U


Description
The i5-5675R is based on Broadwell architecture while the i5-8250U is based on Kaby Lake.

Using the multithread performance as a reference, the i5-5675R gets a score of 194.2 k points while the i5-8250U gets 175.5 k points.

Summarizing, the i5-5675R is 1.1 times faster than the i5-8250U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
40671
806ea
Core
Bradwell-H
Kaby Lake-R
Architecture
Base frecuency
3.1 GHz
1.6 GHz
Boost frecuency
3.6 GHz
3.4 GHz
Socket
BGA1364
BGA1356
Cores/Threads
4/4
4/8
TDP
65 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
4096 kB
6144 kB
Date
Jun 2015
August 2017

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
i5-5675R
i5-8250U
Test#1 (Integers)
4141
3322 (-19.77%)
Test#2 (FP)
14355
13499 (-5.96%)
Test#3 (Generic, ZIP)
4940
4105 (-16.90%)
Test#1 (Memory)
5474
7416 (35.47%)
TOTAL
28910
28342 (-1.96%)

Multithread

i5-5675R

i5-8250U
Test#1 (Integers)
16021
13969 (-12.81%)
Test#2 (FP)
54597
50797 (-6.96%)
Test#3 (Generic, ZIP)
18694
14713 (-21.30%)
Test#1 (Memory)
16865
4763 (-71.76%)
TOTAL
106178
84242 (-20.66%)

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
i5-5675R
i5-8250U
Test#1 (Integers)
12856
12410 (-3.47%)
Test#2 (FP)
16855
18112 (7.46%)
Test#3 (Generic, ZIP)
5190
4785 (-7.79%)
Test#1 (Memory)
5494
8157 (48.48%)
TOTAL
40394
43464 (7.60%)

Multithread

i5-5675R

i5-8250U
Test#1 (Integers)
50071
42479 (-15.16%)
Test#2 (FP)
64608
60203 (-6.82%)
Test#3 (Generic, ZIP)
19838
14850 (-25.14%)
Test#1 (Memory)
17086
4770 (-72.09%)
TOTAL
151603
122301 (-19.33%)

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
i5-5675R
i5-8250U
Test#1 (Integers)
12881
12588 (-2.28%)
Test#2 (FP)
18271
18890 (3.39%)
Test#3 (Generic, ZIP)
5120
4648 (-9.22%)
Test#1 (Memory)
5450
8197 (50.40%)
TOTAL
41722
44322 (6.23%)

Multithread

i5-5675R

i5-8250U
Test#1 (Integers)
49914
45911 (-8.02%)
Test#2 (FP)
70302
69550 (-1.07%)
Test#3 (Generic, ZIP)
19689
16795 (-14.70%)
Test#1 (Memory)
16924
4830 (-71.46%)
TOTAL
156830
137086 (-12.59%)

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
i5-5675R
i5-8250U
Test#1 (Integers)
21912
22344 (1.97%)
Test#2 (FP)
18590
19625 (5.57%)
Test#3 (Generic, ZIP)
5203
4702 (-9.63%)
Test#1 (Memory)
5723
8458 (47.80%)
TOTAL
51428
55128 (7.20%)

Multithread

i5-5675R

i5-8250U
Test#1 (Integers)
84920
83350 (-1.85%)
Test#2 (FP)
72090
71044 (-1.45%)
Test#3 (Generic, ZIP)
20126
16215 (-19.43%)
Test#1 (Memory)
17065
4846 (-71.60%)
TOTAL
194201
175455 (-9.65%)

Performance/W
i5-5675R
i5-8250U
Test#1 (Integers)
1306 points/W
5557 points/W
Test#2 (FP)
1109 points/W
4736 points/W
Test#3 (Generic, ZIP)
310 points/W
1081 points/W
Test#1 (Memory)
263 points/W
323 points/W
TOTAL
2988 points/W
11697 points/W

Performance/GHz
i5-5675R
i5-8250U
Test#1 (Integers)
6087 points/GHz
6572 points/GHz
Test#2 (FP)
5164 points/GHz
5772 points/GHz
Test#3 (Generic, ZIP)
1445 points/GHz
1383 points/GHz
Test#1 (Memory)
1590 points/GHz
2488 points/GHz
TOTAL
14286 points/GHz
16214 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. 3.7.8