| | | |

Core i7-7700K vs i5-7300HQ


Description
Both models i7-7700K and i5-7300HQ are based on Kaby Lake architecture.

The first Kaby Lake CPU was released in August 2016. It uses a 14 nm process and was the first architecture in breaking the previous tick-tock model. Actually, it is not that different from the preceding Skylake: it has 64kB of L1 cache and 256kB L2 cache per core.

Using the multithread performance as a reference, the i7-7700K gets a score of 292.3 k points while the i5-7300HQ gets 177.7 k points.

Summarizing, the i7-7700K is 1.6 times faster than the i5-7300HQ. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906e9
906e9
Core
Kaby Lake-S
Kaby Lake-H
Architecture
Base frecuency
4.2 GHz
2.5 GHz
Boost frecuency
4.5 GHz
3.5 GHz
Socket
LGA 1151
BGA1440
Cores/Threads
4/8
4/4
TDP
95 W
45 W
Cache L1 (d+i)
32+32 kB
4x32+4x32 kB
Cache L2
256 kB
4x256 kB
Cache L3
8192 kB
6144 kB
Date
September 2016
January 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
i7-7700K
i5-7300HQ
Test#1 (Integers)
4629
3413 (-26.28%)
Test#2 (FP)
18925
14138 (-25.29%)
Test#3 (Generic, ZIP)
6221
4408 (-29.14%)
Test#1 (Memory)
13922
8870 (-36.29%)
TOTAL
43698
30829 (-29.45%)

Multithread

i7-7700K

i5-7300HQ
Test#1 (Integers)
18529
12747 (-31.20%)
Test#2 (FP)
86487
52878 (-38.86%)
Test#3 (Generic, ZIP)
28778
16254 (-43.52%)
Test#1 (Memory)
9674
8975 (-7.22%)
TOTAL
143468
90854 (-36.67%)

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
i7-7700K
i5-7300HQ
Test#1 (Integers)
17549
11586 (-33.98%)
Test#2 (FP)
27822
17891 (-35.70%)
Test#3 (Generic, ZIP)
6796
4140 (-39.08%)
Test#1 (Memory)
14832
7883 (-46.85%)
TOTAL
66999
41499 (-38.06%)

Multithread

i7-7700K

i5-7300HQ
Test#1 (Integers)
68395
44416 (-35.06%)
Test#2 (FP)
118805
67501 (-43.18%)
Test#3 (Generic, ZIP)
33336
14596 (-56.22%)
Test#1 (Memory)
17434
8063 (-53.75%)
TOTAL
237970
134576 (-43.45%)

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
i7-7700K
i5-7300HQ
Test#1 (Integers)
30879
22272 (-27.87%)
Test#2 (FP)
27266
19823 (-27.30%)
Test#3 (Generic, ZIP)
6416
4560 (-28.92%)
Test#1 (Memory)
14011
8823 (-37.03%)
TOTAL
78572
55478 (-29.39%)

Multithread

i7-7700K

i5-7300HQ
Test#1 (Integers)
130361
81107 (-37.78%)
Test#2 (FP)
122434
72273 (-40.97%)
Test#3 (Generic, ZIP)
29679
16141 (-45.62%)
Test#1 (Memory)
9830
8179 (-16.80%)
TOTAL
292304
177700 (-39.21%)

Performance/W
i7-7700K
i5-7300HQ
Test#1 (Integers)
1372 points/W
1802 points/W
Test#2 (FP)
1289 points/W
1606 points/W
Test#3 (Generic, ZIP)
312 points/W
359 points/W
Test#1 (Memory)
103 points/W
182 points/W
TOTAL
3077 points/W
3949 points/W

Performance/GHz
i7-7700K
i5-7300HQ
Test#1 (Integers)
6862 points/GHz
6363 points/GHz
Test#2 (FP)
6059 points/GHz
5664 points/GHz
Test#3 (Generic, ZIP)
1426 points/GHz
1303 points/GHz
Test#1 (Memory)
3114 points/GHz
2521 points/GHz
TOTAL
17460 points/GHz
15851 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. 3.7.9