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Intel Core i7 9700KF vs AMD Ryzen 7 3800X

We compared two 8-core desktop CPUs: the 3.6 GHz Intel Core i7 9700KF against the 3.9 GHz AMD Ryzen 7 3800X. 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
Performance
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 3800X and 9700KF
Advantages of Intel Core i7 9700KF
  • Consumes up to 10% less energy than the Ryzen 7 3800X – 95 vs 105 Watt
  • 9% higher Turbo Boost frequency (4.9 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 7 3800X
  • Has 20 MB larger L3 cache size
  • More modern manufacturing process – 7 versus 14 nanometers
  • Newer - released 7 months later
  • Newer PCI Express version – 4.0
  • Around 6.08 GB/s (15%) higher theoretical memory bandwidth

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
5103
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
24776
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
9208

Specs

Full technical specification of Intel Core i7 9700KF and AMD Ryzen 7 3800X

General

Vendor Intel AMD
Released January 7, 2019 July 7, 2019
Launch price 379 USD 399 USD
Type Desktop Desktop
Codename Coffee Lake Zen 2
Model number i7-9700KF -
Socket LGA-1151 AM4
Integrated GPU No No

Performance

Cores 8 8
Threads 8 16
Base Frequency 3.6 GHz 3.9 GHz
Turbo Boost Frequency 4.9 GHz 4.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 36x 39x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 12MB (shared) 32MB (shared)
Unlocked Multiplier Yes Yes

Power

Transistors - 19.2 billions
Fabrication Process 14 nm 7 nm
TDP 95 W 105 W
Max. temperature 100°C 95°C

Memory support

Memory types DDR4-2666 DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 47.68 GB/s
EEC Support No Yes

Misc

Official site Intel Core i7 9700KF official page AMD Ryzen 7 3800X official page
PCI Express Version 3.0 4.0
PCI Express Lanes 16 20
Instruction Set SSE4.1, SSE4.2, AVX-2 -

Cast your vote

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Total votes: 1

Comments

So which CPU will you choose: AMD Ryzen 7 3800X or Intel Core i7 9700KF?