Home > CPU Comparisons > Core i7 9700KF or Core i7 8700K: what's better?

Intel Core i7 9700KF vs i7 8700K

We compared two desktop CPUs: the 3.6 GHz Intel Core i7 9700KF with 8-cores against the 3.7 GHz i7 8700K with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

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

Key Differences

What are the key differences between 8700K and 9700KF
Advantages of Intel Core i7 9700KF
  • Newer - released 1-year and 3-months later
  • Has 2 more physical cores
  • 11% faster in a single-core Geekbench v5 test - 1325 vs 1199 points
  • 4% higher Turbo Boost frequency (4.9 GHz vs 4.7 GHz)
Advantages of Intel Core i7 8700K
  • Includes an integrated GPU Intel UHD Graphics 630

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
14672
Geekbench 5 (Single-Core)
1303
Geekbench 5 (Multi-Core)

Specifications

Full technical specification of Intel Core i7 9700KF and i7 8700K
Performance
Cores 8 6
Threads 8 12
Base Frequency 3.6 GHz 3.7 GHz
Turbo Boost Frequency 4.9 GHz 4.7 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 36x 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 12MB (shared) 12MB (shared)
Unlocked Multiplier Yes Yes
Power
Fabrication Process 14 nm 14 nm
TDP 95 W 95 W
Max. temperature 100°C 100°C
Memory support
Memory types DDR4-2666 DDR4-2666
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 41.6 GB/s
ECC Support No No
General
Vendor Intel Intel
Released January 7, 2019 October 5, 2017
Launch price 379 USD 359 USD
Type Desktop Desktop
Codename Coffee Lake Coffee Lake
Model number i7-9700KF i7-8700K
Socket LGA-1151 LGA-1151
Integrated GPU No Intel UHD Graphics 630
Official site Intel Core i7 9700KF 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

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Comments

So which CPU will you choose: Intel Core i7 8700K or i7 9700KF?