Cores: 12L3 cache: 64MB (shared)TDP: 105 W Transistor size: 7 nm
Ryzen 9 3900X - desktop processor produced by Amd for socket AM4 that has 12 cores and 24 threads. The base clock frequency of the CPU is 3800 MHz, but due to Turbo Core technology, it can perform up to 4600 MHz. The size of the L3 cache is 64 MB. Please note that this chip doesnβt have integrated graphics.
Single-Core Performance
48
Multi-Core Performance
44
NanoReview Final Score
48
Compare AMD Ryzen 9 3900X with other CPUs
Test in Benchmarks
Performance test of AMD Ryzen 9 3900X in benchmarks
Cinebench
Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
74
Cinebench 2024 (Multi)
982
GeekBench v6
The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
1699
Geekbench 6 (Multi-Core)
10470
File compression
872.1 MB/sec
Clang compilation
104.4 Klines/sec
HTML 5 Browser
209.4 pages/sec
PDF Renderer
299.9 Mpixels/sec
Text processing
144.4 pages/sec
Background blur
41.1 images/sec
Photo processing
75.2 images/sec
Ray tracing
24.4 Mpixels/sec
Sources:
GeekBench
[1]
β
801
samples
PassMark
Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
2703
Passmark CPU (Multi-Core)
32492
Integer math
99.4 GOps/sec
Floating point math
58.4 GOps/sec
Find prime numbers
213M Primes/sec
Random string sorting
48.2M Strings/sec
Data encryption
28.6 GBytes/sec
Data compression
448.8 MBytes/sec
Physics
1782 Frames/sec
Extended instructions
29.2B Matrices/sec
Sources:
PassMark
[3]
β
17216
samples
Blender
3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Performance Per Watt
Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt
9.4 PPW
Geekbench 6 Multi / Watt
99.7 PPW
Passmark CPU Mark / Watt
309.4 PPW
Blender / Watt
2.66 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
The latest benchmark tests that have been submitted by users
Specifications
Ryzen 9 3900X technical specifications
Performance Cores
P-Cores
12
P-Threads
24
Base Frequency (P)
3.8 GHz
Turbo Boost Frequency (P)
4.6 GHz
Total
Total Cores
12
Total Threads
24
Bus Frequency
100 MHz
Multiplier
38x
L1 Cache
64K (per core)
L2 Cache
512K (per core)
L3 Cache
64MB (shared)
Unlocked Multiplier
Yes
Transistors
3.8 billions
Fabrication Process
7 nm
TDP (PL1)
105 W
Socket
AM4
Peak Temperature
95Β°C
Memory Types
- DDR4-3200
Max. Memory Size
128 GB
Memory Channels
2
Max. Memory Bandwidth
47.68 GB/s
ECC Support
Yes
Official Site
AMD Ryzen 9 3900X official page
PCI Express Version
4.0
PCI Express Lanes
16
Technologies
- Compute: BMI1, BMI2, F16C, SHA
- Performance: Precision Boost 2, SMT, XFR 2
- Virtualization: AMD-V
- Security: EVP, SMAP, SMEP
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