Product Comparison: AMD Ryzen 9 3900X vs Intel Core i9-9900K


General Specifications
Brand
AMD
Intel
Model
Ryzen 9 3900X
Core i9-9900K
Origin
China
China
About the Product
Higher speeds. More memory. Wider bandwidth. You must push every lever, squeeze every ounce, and leave nothing on the table. AMD's Ryzen 9 processor was designed to break expectations and set a new standard for high-performance processors.
New 9th Gen Intel Core i9-9900K processor, codenamed Coffee Lake microarchitecture. Designed for Intel LGA 1151 desktop platform. Belongs to the family of high-performance Core i9 processors.
Package Size
Height
5.7 in.
4.61 in.
Width
5.7 in.
4.41 in.
Depth
5.7 in.
2.91 in.
Weight
2.28 lbs.
1.1 lbs.

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

Details
Socket
AM4
FCLGA1151
Lithography
7 nm
14 nm
Type of Processors
Desktop
Desktop
Code Name
Matisse
Coffee Lake
What customers say about "Details"
AMD Ryzen 9 3900X Unlocked Desktop Processor
  • I love that AMD is using AM4 still which gives you some backwards compatibility with motherboard selection.
  • Still AM4-compatible! Perfect for my case.
  • Check your motherboard compatibility for the AM4 Matisse. Easy to setup.
  • Its just so damn good, easy to drop in to an existing AM4 motherboard.
  • Seems like a good upgrade for older AM4 boards.
Intel Core i9-9900K Desktop Processor
  • It is easy to install and overclock.
  • Install and overclocking on this chip went extremely well.
  • This chip is a beast. Very easy to install.
  • Installed easily and not issues building on Asus Maximus mobo.
  • 7 days after install it died. Horrible job intel.
Technical Specifications
CPU Cores
12
8
CPU Threads
24
16
Clock Speed
3.8 GHz
3.6 GHz
Turbo Clock Speed
4.6 GHz
5 GHz
Max TDP
105 W
95 W
Max Temperature
95 °C
100 °C
Data Width
64 bits
64 bits
Virtualization Technology
Yes
Yes

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

What customers say about "Technical Specifications"
AMD Ryzen 9 3900X Unlocked Desktop Processor
  • The clocks and boost speeds run speedier, and this is stable with my memory.
  • The higher clock speed is noticeable. I like it.
  • I've had no problems hitting and exceeding the advertised clock speeds.
  • It not have the fastest core clock speed of all processors out there.
  • The only issue is the boost clock not reaching the advertised 4.6GHz but AMD promised to fix that in upcoming BIOS updates.
Intel Core i9-9900K Desktop Processor
  • Super fast gaming processor. High performance.
  • The computer runs perfectly, very smoothly, without any cartons.
  • This CPU is a beast! I installed this with a liquid cooler and even in the top end games out now it does not struggle to keep this thing cool.
  • I had no issues installing the chip and it runs great.
  • Easy to install, easy to boost, handles everything I throw at it.
Cache And Memory Specifications
L1 Cache Size
768 kB
256 kB
L2 Cache Size
6000 kB
2048 kB
L3 Cache Size
64000 kB
16000 kB
Max Memory Size
32 GB
128 GB
Memory Types
DDR4
DDR4
Max Memory Channels
2
2
Max Memory Bandwidth
25.6 GB/s
41.6 GB/s

AMD Ryzen 9 3900X

Intel Core i9-9900K

AMD Ryzen 9 3900X

Intel Core i9-9900K

What customers say about "Cache And Memory Specifications"
AMD Ryzen 9 3900X Unlocked Desktop Processor
  • 24-thread CPU with a massive 64MB L3 cache.
  • 12 Cores 24 Threads - with a massive L3 Cache.
  • With 3900X, memory is stable at 3000 MHz.
  • Easy to overclock memory. Massive L3 Cache!
  • Got this installed and running. It's a beast! Great memory and cache.
Intel Core i9-9900K Desktop Processor
  • Super easy to install and is super fast.
  • This CPU is easy to install, fast, and so far glitch-free.
  • Very nice packaging and easy installation. Supports excellent memory type.
  • 8 cores in a ring bus with low inter-core and memory latency allows this CPU to excel at any task.
Supported Technologies
Execute Disable Bit / Virus Protection
Yes
Yes
Turbo Boost / Turbo Core
Yes
Yes
Enhanced SpeedStep / PowerNow!
No
Yes
Hyper-Threading / HyperTransport
Yes
Yes
Warranty / Certifications
Manufacturer Warranty
3 year(s)
3 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer
Graphics Specifications
DirectX* Support
12
Graphics Output
eDP/DP/HDMI
Graphics Video Max Memory
64 GB
Graphics Max Dynamic Frequency
1200 MHz
Graphics Base Frequency
350 MHz
Processor Graphics
Intel UHD Graphics 630


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