Core i7-8700 vs i7-7700
Description
The i7-8700 is based on Coffee Lake architecture while the i7-7700 is based on Kaby Lake.
Using the multithread performance as a reference, the i7-8700 gets a score of 389 k points while the i7-7700 gets 257.5 k points.
Summarizing, the i7-8700 is 1.5 times faster than the i7-7700 . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-8700 gets a score of 389 k points while the i7-7700 gets 257.5 k points.
Summarizing, the i7-8700 is 1.5 times faster than the i7-7700 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
906ea
906e9
Core
Coffee Lake-S
Kaby Lake-S
Base frecuency
3.2 GHz
3.6 GHz
Boost frecuency
4.6 GHz
4.2 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
6/12
4/8
TDP
65 W
65 W
Cache L1 (d+i)
6x32+6x32 kB
32+32 kB
Cache L2
6x256 kB
256 kB
Cache L3
12288 kB
8192 kB
Date
October 2017
September 2016
Mean monothread perf.
75.01k points
67.33k points
Mean multithread perf.
388.95k points
257.52k 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
i7-8700
i7-7700
Test#1 (Integers)
4.48k
4.23k (x0.94)
Test#2 (FP)
18.31k
16.76k (x0.92)
Test#3 (Generic, ZIP)
5.88k
5.42k (x0.92)
Test#1 (Memory)
13.45k
12.23k (x0.91)
TOTAL
42.12k
38.64k (x0.92)
Multithread
i7-8700
i7-7700
Test#1 (Integers)
27.35k
16.71k (x0.61)
Test#2 (FP)
124.94k
73.1k (x0.59)
Test#3 (Generic, ZIP)
43.23k
25.76k (x0.6)
Test#1 (Memory)
7.08k
7.12k (x1)
TOTAL
202.61k
122.68k (x0.61)
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
i7-8700
i7-7700
Test#1 (Integers)
16.45k
15.33k (x0.93)
Test#2 (FP)
23.74k
21.94k (x0.92)
Test#3 (Generic, ZIP)
6.24k
5.85k (x0.94)
Test#1 (Memory)
13.43k
12.52k (x0.93)
TOTAL
59.86k
55.64k (x0.93)
Multithread
i7-8700
i7-7700
Test#1 (Integers)
100.94k
61.73k (x0.61)
Test#2 (FP)
159.09k
99.91k (x0.63)
Test#3 (Generic, ZIP)
43.61k
27.03k (x0.62)
Test#1 (Memory)
6.59k
9.28k (x1.41)
TOTAL
310.23k
197.96k (x0.64)
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
i7-8700
i7-7700
Test#1 (Integers)
16.57k
15.34k (x0.93)
Test#2 (FP)
25.52k
23.41k (x0.92)
Test#3 (Generic, ZIP)
6.01k
5.87k (x0.98)
Test#1 (Memory)
12.82k
11.07k (x0.86)
TOTAL
60.92k
55.69k (x0.91)
Multithread
i7-8700
i7-7700
Test#1 (Integers)
101.85k
62.68k (x0.62)
Test#2 (FP)
170.31k
105.24k (x0.62)
Test#3 (Generic, ZIP)
43.12k
26.35k (x0.61)
Test#1 (Memory)
7.11k
5.79k (x0.81)
TOTAL
322.39k
200.07k (x0.62)
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
i7-8700
i7-7700
Test#1 (Integers)
29.25k
26.7k (x0.91)
Test#2 (FP)
25.98k
23.7k (x0.91)
Test#3 (Generic, ZIP)
6.05k
5.46k (x0.9)
Test#1 (Memory)
13.74k
11.48k (x0.84)
TOTAL
75.01k
67.33k (x0.9)
Multithread
i7-8700
i7-7700
Test#1 (Integers)
182.56k
115.97k (x0.64)
Test#2 (FP)
159.9k
108.43k (x0.68)
Test#3 (Generic, ZIP)
38.18k
26.28k (x0.69)
Test#1 (Memory)
8.31k
6.85k (x0.82)
TOTAL
388.95k
257.52k (x0.66)
Performance/W
i7-8700
i7-7700
Test#1 (Integers)
2809 points/W
1784 points/W
Test#2 (FP)
2460 points/W
1668 points/W
Test#3 (Generic, ZIP)
587 points/W
404 points/W
Test#1 (Memory)
128 points/W
105 points/W
TOTAL
5984 points/W
3962 points/W
Performance/GHz
i7-8700
i7-7700
Test#1 (Integers)
6358 points/GHz
6356 points/GHz
Test#2 (FP)
5647 points/GHz
5643 points/GHz
Test#3 (Generic, ZIP)
1316 points/GHz
1300 points/GHz
Test#1 (Memory)
2986 points/GHz
2733 points/GHz
TOTAL
16307 points/GHz
16032 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4