AMD Ryzen 9 3900X vs Intel Core i9 9940X
CPU · Specs Compare
General Parameters
Release Date
Jul 2019
Oct 2018
Manufacturer
AMD
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2
Skylake
Integrated Graphics
N/A
N/A
Processor Number
—
i9-9940X
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
14 nm
Socket
AM4
LGA-2066
Power Consumption
105 W
165 W
Peak Operating Temperature
95 °C
88 °C
CPU Performance
Performance Cores
12
14
Performance Core Threads
24
28
Performance Core Base Frequency
3.8 GHz
3.3 GHz
Performance Core Turbo Frequency
4.6 GHz
4.4 GHz
Total Core Count
12
14
Total Thread Count
24
28
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
33x
L1 Cache
64 K per core
64 K per core
L2 Cache
512 K per core
1 MB per core
L3 Cache
64 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-3200
DDR4-2666
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
47.68 GB/s
85 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
16
44
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
1,306
1,228
Cinebench R23
18,454
15,351
Geekbench 6
1,842
1,328
Geekbench 5
1,319
1,189
Geekbench 6
11,715
9,787
Geekbench 5
11,991
14,374
Cinebench 2024
78
—
Cinebench 2024
1,068
—
Passmark CPU
2,683
—
Passmark CPU
32,531
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.