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Core i7-9750H vs i7-7660U


Description
The i7-9750H is based on Coffee Lake architecture while the i7-7660U is based on Kaby Lake.

Using the multithread performance as a reference, the i7-9750H gets a score of 276.5 k points while the i7-7660U gets 132.8 k points.

Summarizing, the i7-9750H is 2.1 times faster than the i7-7660U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ed
806e9
Core
Coffee Lake-H
Kaby Lake-U
Architecture
Base frecuency
2.6 GHz
2.5 GHz
Boost frecuency
4.5 GHz
4 GHz
Socket
BGA 1440
BGA 1356
Cores/Threads
6/12
2/4
TDP
45 W
15 W
Cache L1 (d+i)
6x32+6x32 kB
2x32+2x32 kB
Cache L2
6x256 kB
2x256 kB
Cache L3
12288 kB
4096 kB
Date
April 2019
January 2017
Mean monothread perf.
62.92k points
57.46k points
Mean multithread perf.
276.46k points
132.81k points

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
i7-9750H
i7-7660U
Test#1 (Integers)
25.22k
22.46k (x0.89)
Test#2 (FP)
21.97k
19.29k (x0.88)
Test#3 (Generic, ZIP)
5.02k
4.77k (x0.95)
Test#1 (Memory)
10.71k
10.94k (x1.02)
TOTAL
62.92k
57.46k (x0.91)

Multithread

i7-9750H

i7-7660U
Test#1 (Integers)
125.56k
56.67k (x0.45)
Test#2 (FP)
115.86k
46.95k (x0.41)
Test#3 (Generic, ZIP)
25.63k
12.36k (x0.48)
Test#1 (Memory)
9.4k
16.84k (x1.79)
TOTAL
276.46k
132.81k (x0.48)

Performance/W
i7-9750H
i7-7660U
Test#1 (Integers)
2790 points/W
3778 points/W
Test#2 (FP)
2575 points/W
3130 points/W
Test#3 (Generic, ZIP)
570 points/W
824 points/W
Test#1 (Memory)
209 points/W
1122 points/W
TOTAL
6144 points/W
8854 points/W

Performance/GHz
i7-9750H
i7-7660U
Test#1 (Integers)
5605 points/GHz
5614 points/GHz
Test#2 (FP)
4882 points/GHz
4823 points/GHz
Test#3 (Generic, ZIP)
1115 points/GHz
1193 points/GHz
Test#1 (Memory)
2380 points/GHz
2735 points/GHz
TOTAL
13982 points/GHz
14365 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