Home > CPU Comparisons > Core i9 9880H or Core i7 7700K: what's better?

Intel Core i9 9880H vs i7 7700K

We compared two CPUs: the 2.3 GHz Intel Core i9 9880H (laptop) with 8-cores against the 4.2 GHz i7 7700K (desktop) with 4-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 7700K and 9880H
Advantages of Intel Core i9 9880H
  • Newer - released 2 years and 4 months later
  • Consumes up to 51% less energy than the Core i7 7700K – 45 vs 91 Watt
  • Has 4 physical cores more than the 7700K
  • Has 8 MB larger L3 cache size
  • Supports up to 128 GB DDR4-2666 RAM
  • Around 6.04 GB/s (17%) higher theoretical memory bandwidth
  • 7% higher Turbo Boost frequency (4.8 GHz vs 4.5 GHz)


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 7700K


Vendor Intel Intel
Released April 23, 2019 January 3, 2017
Launch price 556 USD 350 USD
Type Laptop Desktop
Codename Coffee Lake Kaby Lake
Model number i9-9880H i7-7700K
Socket BGA-1440 LGA-1151
Integrated GPU Intel UHD Graphics 630 Intel HD Graphics 630


Cores 8 4
Threads 16 8
Base Frequency 2.3 GHz 4.2 GHz
Turbo Boost Frequency 4.8 GHz 4.5 GHz
Bus frequency - 42 MHz
Multiplier 23x 100x
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) 8MB (shared)
Unlocked Multiplier No No


Fabrication Process 14 nm 14 nm
TDP 45 W 91 W
Max. temperature 100°C 100°C

Memory support

Memory types DDR4-2666, LPDDR3-2133 DDR4-2400, DDR3L-1600
Memory Size 128 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.8 GB/s 35.76 GB/s
EEC Support No No


Official site Intel Core i9 9880H official page Intel Core i7 7700K 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 7700K or i9 9880H?