| | | | | | |

Core i7-8665U vs Ryzen 7 4800H


Description
The i7-8665U is based on Whiskey Lake architecture while the 4800H is based on Zen 2.

Using the multithread performance as a reference, the i7-8665U gets a score of 109.7 k points while the 4800H gets 436.8 k points.

Summarizing, the 4800H is 4 times faster than the i7-8665U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806ec
860f01
Core
Whiskey Lake-U
Renoir
Architecture
Base frecuency
1.9 GHz
2.9 GHz
Boost frecuency
4.8 GHz
4.2 GHz
Socket
BGA 1528
BGA-FP6
Cores/Threads
4/8
8/16
TDP
15 W
45 W
Cache L1 (d+i)
4x32+4x32 kB
8x32+8x32 kB
Cache L2
4x256 kB
8x512 kB
Cache L3
8192 kB
2x4096 kB
Date
April 2019
January 2020
Mean monothread perf.
35.19k points
57.47k points
Mean multithread perf.
109.72k points
436.8k 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
i7-8665U
4800H
Test#1 (Integers)
14.38k
16.59k (x1.15)
Test#2 (FP)
13.43k
23.51k (x1.75)
Test#3 (Generic, ZIP)
2.87k
9.38k (x3.26)
Test#1 (Memory)
4.49k
7.98k (x1.77)
TOTAL
35.19k
57.47k (x1.63)

Multithread

i7-8665U

4800H
Test#1 (Integers)
47.22k
152.43k (x3.23)
Test#2 (FP)
46.99k
195.79k (x4.17)
Test#3 (Generic, ZIP)
10.08k
83.2k (x8.26)
Test#1 (Memory)
5.42k
5.38k (x0.99)
TOTAL
109.72k
436.8k (x3.98)

Performance/W
i7-8665U
4800H
Test#1 (Integers)
3148 points/W
3387 points/W
Test#2 (FP)
3133 points/W
4351 points/W
Test#3 (Generic, ZIP)
672 points/W
1849 points/W
Test#1 (Memory)
361 points/W
120 points/W
TOTAL
7314 points/W
9707 points/W

Performance/GHz
i7-8665U
4800H
Test#1 (Integers)
2996 points/GHz
3950 points/GHz
Test#2 (FP)
2799 points/GHz
5599 points/GHz
Test#3 (Generic, ZIP)
599 points/GHz
2234 points/GHz
Test#1 (Memory)
936 points/GHz
1899 points/GHz
TOTAL
7330 points/GHz
13683 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