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Core i7-10870H vs i9-7980XE


Description
The i7-10870H is based on Comet Lake architecture while the i9-7980XE is based on Skylake.

Using the multithread performance as a reference, the i7-10870H gets a score of 487 k points while the i9-7980XE gets 1223.8 k points.

Summarizing, the i9-7980XE is 2.5 times faster than the i7-10870H. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0652
50654
Core
Comet Lake-H
Skylake-X
Architecture
Base frecuency
2.2 GHz
2.6 GHz
Boost frecuency
5 GHz
4.4 GHz
Socket
FC-BGA 1440
LGA 2066
Cores/Threads
8/16
18/36
TDP
45 W
165 W
Cache L1 (d+i)
8x32+8x32 kB
18x32+18x32 kB
Cache L2
8x256 kB
18x1024 kB
Cache L3
16384 kB
25344 kB
Date
September 2020
May 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
i7-10870H
i9-7980XE
Test#1 (Integers)
4766
4889 (2.58%)
Test#2 (FP)
19806
19975 (0.85%)
Test#3 (Generic, ZIP)
6292
6145 (-2.34%)
Test#1 (Memory)
14034
9812 (-30.08%)
TOTAL
44898
40821 (-9.08%)

Multithread

i7-10870H

i9-7980XE
Test#1 (Integers)
31208
79802 (155.71%)
Test#2 (FP)
151010
372721 (146.82%)
Test#3 (Generic, ZIP)
50126
121424 (142.24%)
Test#1 (Memory)
8366
26481 (216.54%)
TOTAL
240709
600427 (149.44%)

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
i7-10870H
i9-7980XE
Test#1 (Integers)
30376
31156 (2.57%)
Test#2 (FP)
27947
28125 (0.64%)
Test#3 (Generic, ZIP)
6510
6651 (2.17%)
Test#1 (Memory)
14366
10498 (-26.92%)
TOTAL
79200
76431 (-3.50%)

Multithread

i7-10870H

i9-7980XE
Test#1 (Integers)
216184
560190 (159.13%)
Test#2 (FP)
210824
516975 (145.22%)
Test#3 (Generic, ZIP)
51574
123940 (140.31%)
Test#1 (Memory)
8465
22687 (168.01%)
TOTAL
487048
1223792 (151.27%)

Performance/W
i7-10870H
i9-7980XE
Test#1 (Integers)
4804 points/W
3395 points/W
Test#2 (FP)
4685 points/W
3133 points/W
Test#3 (Generic, ZIP)
1146 points/W
751 points/W
Test#1 (Memory)
188 points/W
137 points/W
TOTAL
10823 points/W
7417 points/W

Performance/GHz
i7-10870H
i9-7980XE
Test#1 (Integers)
6075 points/GHz
7081 points/GHz
Test#2 (FP)
5589 points/GHz
6392 points/GHz
Test#3 (Generic, ZIP)
1302 points/GHz
1512 points/GHz
Test#1 (Memory)
2873 points/GHz
2386 points/GHz
TOTAL
15840 points/GHz
17371 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