Home > CPU Comparisons > Core i9 9880H or Core i7 8700K: what's better?

Intel Core i9 9880H vs i7 8700K

We compared two CPUs: the 2.3 GHz Intel Core i9 9880H (laptop) with 8-cores against the 3.7 GHz i7 8700K (desktop) with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

NanoReview Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Consumption
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 8700K and 9880H
Advantages of Intel Core i9 9880H
  • Newer - released 1 year and 7 months later
  • Consumes up to 53% less energy than the Core i7 8700K – 45 vs 95 Watt
  • Has 2 physical cores more than the 8700K
  • Has 4 MB larger L3 cache size
  • 2% higher Turbo Boost frequency (4.8 GHz vs 4.7 GHz)
Advantages of Intel Core i7 8700K
  • Unlocked multiplier


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of Intel Core i9 9880H and i7 8700K


Vendor Intel Intel
Released April 23, 2019 October 5, 2017
Launch price 556 USD 359 USD
Type Laptop Desktop
Codename Coffee Lake Coffee Lake
Model number i9-9880H i7-8700K
Socket BGA-1440 LGA-1151
Integrated GPU Intel UHD Graphics 630 Intel UHD Graphics 630


Cores 8 6
Threads 16 12
Base Frequency 2.3 GHz 3.7 GHz
Turbo Boost Frequency 4.8 GHz 4.7 GHz
Bus frequency - 100 MHz
Multiplier 23x 37x
Bus Bandwidth 8 GT/s 8 GT/s
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 256K (per core)
L3 Cache 16MB (shared) 12MB (shared)
Unlocked Multiplier No Yes


Fabrication Process 14 nm 14 nm
TDP 45 W 95 W
Max. temperature 100°C 100°C

Memory support

Memory types DDR4-2666, LPDDR3-2133 DDR4-2666
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.8 GB/s 41.6 GB/s
EEC Support No No


Official site Intel Core i9 9880H official page Intel Core i7 8700K official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 16
Instruction Set SSE4.1, SSE4.2, AVX-2 SSE4.1, SSE4.2, AVX-2


So which CPU will you choose: Intel Core i7 8700K or i9 9880H?