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Core i7-7660U


Description
We need your help: we don't have results in all modes. If you have a i7-7660U and want to help us to complete the stats, you just have to run the benchmark at stock frequency (no oc) in modes FPU, SSE, AVX, and validate the results. You don't have to register and the whole process will take less than 3 minutes per mode.

The Core i7-7660U is a cpu manufactured by Intel that was released on January 2017. This model has 2 Kaby Lake-U cores with HyperThreading, runs at 2500 MHz as base frequency and has a a thermal design power of 15 W.

The i7-7660U has 2x32+2x32 kB of cache L1, 2x256 kB of cache L2 and 4096 kB of cache L3.

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.

Specs
Official name
Intel(R) Core(TM) i7-7660U CPU @ 2.50GHz
CPUID
806e9
Core
Kaby Lake-U
Architecture
Base frecuency
2.5 GHz
Boost frecuency
4 GHz
Socket
BGA 1356
Cores/Threads
2/4
TDP
15 W
Cache L1 (d+i)
2x32+2x32 kB
Cache L2
2x256 kB
Cache L3
4096 kB
Release date
January 2017
Mean monothread perf.
57.46k points
Mean multithread perf.
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
Multithread
Test#1 (Integers)
22.46k
56.67k (x2.5)
Test#2 (FP)
19.29k
46.95k (x2.4)
Test#3 (Generic, ZIP)
4.77k
12.36k (x2.6)
Test#1 (Memory)
10.94k
16.84k (x1.5)
TOTAL
57.46k
132.81k (x2.3)

Computers where this CPU was tested
Model
Release date

RAM models tested along with this CPU
Model
Type
Frequency
Size
LPDDR3
1867 MHz
8 GB

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) [% vs time]

grafica bm.hardlimit.com


Test#2 (FP) [% vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [% vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [% 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) [% vs time]

grafica bm.hardlimit.coma


Test#2 (FP) [% vs time]

grafica bm.hardlimit.coma


Test#3 (Generic, ZIP) [% vs time]

grafica bm.hardlimit.coma


Test#1 (Memory) [% vs time]

grafica bm.hardlimit.coma

Similar CPUs to Core i7-7660U
SK Hynix Core i7-7660U (This model)
 Mode AVX2 monothread  [57.46k points]
 Mode AVX2 multithread  [132.81k points]
 Mode FPU monothread  [28.14k points]
 Mode FPU multithread  [54.01k points]
 Mode AVX2 monothread  [52.96k points -7.83%]
 Mode AVX2 multithread  [107.01k points -19.43%]
 Mode AVX2 monothread  [58.05k points +1.04%]
 Mode AVX2 multithread  [210.91k points +58.80%]
 Mode FPU monothread  [38.92k points]
 Mode FPU multithread  [65.01k points]
 Mode AVX2 monothread  [65.64k points +14.23%]
 Mode AVX2 multithread  [142.69k points +7.44%]
 Mode FPU monothread  [29.69k points]
 Mode FPU multithread  [63.24k points]
 Mode AVX2 monothread  [58.55k points +1.90%]
 Mode AVX2 multithread  [126.47k points -4.77%]
 Mode FPU monothread  [28.89k points]
 Mode FPU multithread  [60.77k points]
 Mode AVX2 monothread  [54.83k points -4.58%]
 Mode AVX2 multithread  [121.84k points -8.26%]
 Mode FPU monothread  [23.88k points]
 Mode FPU multithread  [49k points]
 Mode AVX2 monothread  [44.24k points -23.01%]
 Mode AVX2 multithread  [92.71k points -30.20%]
 Mode FPU monothread  [45.13k points]
 Mode FPU multithread  [112.09k points]
 Mode AVX2 monothread  [59.01k points +2.71%]
 Mode AVX2 multithread  [190.82k points +43.68%]
 Mode FPU monothread  [24.12k points]
 Mode FPU multithread  [52.18k points]
 Mode AVX2 monothread  [52.64k points -8.39%]
 Mode AVX2 multithread  [227.87k points +71.57%]
 Mode FPU monothread  [28.34k points]
 Mode FPU multithread  [84.24k points]
 Mode AVX2 monothread  [55.01k points -4.26%]
 Mode AVX2 multithread  [166.25k points +25.17%]
 Mode AVX2 monothread  [43.82k points -23.74%]
 Mode AVX2 multithread  [95.84k points -27.84%]
          
AVX2 mode comparison

Monothread integers operations
Model
Score
22.85k [1.76%]
22.73k [1.22%]
22.49k [0.15%]
Intel Core i7-7660U
22.46k
This model
22.28k [-0.78%]
22.21k [-1.10%]
22.17k [-1.29%]
22.14k [-1.40%]
22.13k [-1.44%]

Multithread integers operations
Model
Score
64.33k [13.52%]
63.7k [12.41%]
60.94k [7.54%]
58.46k [3.16%]
58.24k [2.77%]
Intel Core i7-7660U
56.67k
This model
54.98k [-2.97%]
54.39k [-4.01%]
54.11k [-4.50%]
52.52k [-7.31%]
52.21k [-7.86%]

Monothread floating point operations
Model
Score
19.79k [2.58%]
19.69k [2.06%]
19.68k [2.01%]
19.41k [0.58%]
19.34k [0.23%]
Intel Core i7-7660U
19.29k
This model
19.25k [-0.20%]
19.09k [-1.04%]
18.85k [-2.31%]
18.7k [-3.06%]
18.66k [-3.27%]

Multithread floating point operations
Model
Score
49.37k [5.15%]
Intel Core i7-7660U
46.95k
This model
46.04k [-1.95%]
44.98k [-4.21%]
44.82k [-4.53%]
44.41k [-5.42%]
43.27k [-7.83%]

Monothread generic test (Zip compression)
Model
Score
4.81k [0.80%]
4.79k [0.45%]
Intel Core i7-7660U
4.77k
This model
4.72k [-1.16%]
4.71k [-1.27%]

Multithread generic test (Zip compression)
Model
Score
13.57k [9.81%]
13.36k [8.08%]
13.12k [6.13%]
12.53k [1.41%]
Intel Core i7-7660U
12.36k
This model
12.02k [-2.74%]
11.96k [-3.21%]
11.9k [-3.71%]
11.57k [-6.42%]
10.83k [-12.36%]

Monothread memory performance
Model
Score
11.31k [3.36%]
11.29k [3.26%]
11.16k [2.04%]
11.13k [1.79%]
Intel Core i7-7660U
10.94k
This model
10.81k [-1.16%]
10.77k [-1.55%]
10.73k [-1.86%]
10.73k [-1.87%]
10.72k [-1.95%]

Multithread memory performance
Model
Score
18.48k [9.78%]
17.07k [1.36%]
16.95k [0.64%]
16.88k [0.25%]
Intel Core i7-7660U
16.84k
This model
14.72k [-12.58%]
14.69k [-12.78%]
14.58k [-13.38%]
14.57k [-13.45%]
14.2k [-15.63%]

Hardlimit Benchmark Central - Ver. 3.11.2