amd ryzen 9 3900x vs amd ryzen 7 3700x

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We compared two CPUs AMD Ryzen 7 3700X (Desktop) 8-cores against AMD Ryzen 9 3900X (Desktop) 12-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price 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

Key Differences

What are the key differences between AMD Ryzen 7 3700X and AMD Ryzen 9 3900X
Advantages of AMD Ryzen 7 3700X
  • Consumes up to 48% less energy than the AMD Ryzen 9 3900X – 65 vs 125 Watt
Advantages of AMD Ryzen 9 3900X
  • Newer released 0 years later
  • Has 4 more physical cores
  • Has 32 MB larger L3 cache size
  • 4% higher Turbo Boost frequency (4.6 GHz vs 4.4 GHz)

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
18768
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
33024
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
12151

Specifications

Full technical specification of ryzen 7 3700x and ryzen 9 3900x

General

AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Vendor AMD AMD
Released May 27 2019 July 7 2019
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Matisse Matisse
Socket AM4 AM4
Integrated GPU - -

Performance

AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Cores 8 12
Threads 16 24
Base Frequency 3.6 GHz 3.8 GHz
Turbo Boost Frequency 4.4 GHz 4.6 GHz
L1 Cache 96K (per core) 96K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 32 MB 64 MB
Unlocked Multiplier Yes Yes

Power

AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Fabrication process 7 nm 7 nm
Power consumption (TDP) 65 W 125 W
Max. temperature °C 95°C

Memory support

AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Memory types DDR4 Dual-channel DDR4 Dual-channel
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 51.196 GB/s 51.196 GB/s
ECC Support No No

iGPU

AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Integrated Graphics - -

Misc

AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Official site AMD Ryzen 7 3700X official page AMD Ryzen 9 3900X official page
PCI Express Version
PCI Express Lanes

Comments

So which CPU will you choose: AMD Ryzen 9 3900X or AMD Ryzen 7 3700X?