Intel Core i7 5960X vs AMD Ryzen 9 3900X

We compared two desktop CPUs: the 3.0 GHz Intel Core i7 5960X with 8-cores against the 3.8 GHz AMD Ryzen 9 3900X with 12-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
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
NanoReview Final Score
Generic CPU rating
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs.

Key Differences

What are the key differences between 3900X and 5960X
Advantages of Intel Core i7 5960X
  • Supports quad-channel memory
  • Around 20.32 GB/s (43%) higher theoretical memory bandwidth
Advantages of AMD Ryzen 9 3900X
  • Has 45056 KB larger L3 cache size
  • More modern manufacturing process – 7 versus 22 nanometers
  • Newer - released 4-years and 11-months later
  • Unlocked multiplier
  • Supports up to 128 GB DDR4-3200 RAM
  • Has 4 more physical cores
  • 31% higher Turbo Boost frequency (4.6 GHz vs 3.5 GHz)
  • Newer PCI Express version – 4.0
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Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
1322
Cinebench R23 (Multi-Core)
18865

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression - 870.8 MB/sec
Clang compilation - 107.8 Klines/sec
HTML 5 Browser - 202.3 pages/sec
PDF Renderer - 293.1 Mpixels/sec
Text processing - 152.5 pages/sec
Background blur - 38.4 images/sec
Photo processing - 58.1 images/sec
Ray tracing - 26.6 Mpixels/sec
Sources: GeekBench [1]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
2708
Passmark CPU (Multi-Core)
32700
Integer math 47.3 GOps/sec 100.1 GOps/sec
Floating point math 23.7 GOps/sec 58.6 GOps/sec
Find prime numbers 61M Primes/sec 215M Primes/sec
Random string sorting 27.5M Strings/sec 48.9M Strings/sec
Data encryption 3.6 GBytes/sec 28.7 GBytes/sec
Data compression 195.6 MBytes/sec 449.4 MBytes/sec
Physics 999 Frames/sec 1820 Frames/sec
Extended instructions 12.7B Matrices/sec 29.3B Matrices/sec
Sources: PassMark [3], [4]

Value for money

Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.
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Specifications

Full technical specification of Intel Core i7 5960X and AMD Ryzen 9 3900X

General

Vendor Intel AMD
Released August 29, 2014 July 7, 2019
Type Desktop Desktop
instruction set x86-64 x86-64
Model number i7-5960X -
Integrated GPU No No

CPU

Performance Cores
P-Cores 8 12
P-Threads 16 24
Base Frequency (P) 3.0 GHz 3.8 GHz
Turbo Boost Frequency (P) 3.5 GHz 4.6 GHz
Total
Total Cores 8 12
Total Threads 16 24
Bus Frequency 100 MHz 100 MHz
Multiplier 30x 38x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 20MB (shared) 64MB (shared)
Unlocked Multiplier No Yes

Package

Transistors 2.6 billions 3.8 billions
Fabrication process 22 nm 7 nm
TDP (PL1) 140 W 105 W
Socket LGA-2011-3 AM4
Peak temperature - 95°C

Memory Support

Memory types - DDR4-2133 - DDR4-3200
Memory Size 64 GB 128 GB
Max. Memory Channels 4 2
Max. Memory Bandwidth 68 GB/s 47.68 GB/s
ECC Support No Yes

Misc

Official site Intel Core i7 5960X official page AMD Ryzen 9 3900X official page
PCI Express Version 3.0 4.0
PCI Express Lanes 40 16
Extended instructions SSE4.2, AVX-2 -

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Comments

So which CPU will you choose: AMD Ryzen 9 3900X or Intel Core i7 5960X?
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