TDP
105W
Max RAM
47.68 GB/s
General info
| Type i | Desktop (537 others) |
| Cpu socket i | AM4AMD Ryzen 9 3900X |
| Chipset i | X570, B550, A520, X470, B450 (37 others) |
| Has Integrated Graphics i | ✖ |
| Release date i | 6 years ago07/07/2019 (6 others) |
| Thermal design power (tdp) i | 105W (14 others) |
| Semiconductor size i | 7 nm (99 others) |
| Cpu temperature i | 95 °C (167 others) |
| Pci express (pcie) version i | 4 (261 others) |
Performance
| CPU Speed i | 12 x 3.8 GHz |
| Cpu threads i | 24 threads (55 others) |
| Turbo clock speed i | 4.6GHz (46 others) |
| Has An Unlocked Multiplier i | ✔ (256 others) |
| L2 Cache i | 6 MB (57 others) |
| L3 Cache i | 64 MB (32 others) |
| L1 Cache i | 768 KB (24 others) |
| L2 Core i | 0.5 MB/core (166 others) |
| L3 Core i | 5.33 MB/core (38 others) |
Benchmarks
| Passmark result i | 32537 |
| Passmark result (single) i | 2703 (1 other) |
| Cinebench r20 (multi) result i | 6954 |
| Cinebench r20 (single) result i | 502 |
| Geekbench 6 Result (multi) i | 9924 |
| Geekbench 6 Result (single) i | 1708 |
| Blender (bmw27) Result i | 116.4 seconds |
Memory
| Ram speed (max) i | 3200 MHz (87 others) |
| Maximum memory bandwidth i | 47.68 GB/s (26 others) |
| Ddr memory version i | 4 (397 others) |
| Memory channels i | 2 (845 others) |
| Maximum memory amount i | 128GB (262 others) |
| Supports ecc memory i | ✔ (319 others) |
Similar products
Frequently Asked Questions
How much L3 cache does the AMD Ryzen 9 3900X have?
At 64 MB, the AMD Ryzen 9 3900X is 191% above the category average for L3 cache, ranking #34 out of 870 — see ranking cpu products.
What is the l3 core of the AMD Ryzen 9 3900X?
At 5.33 MB/core, the AMD Ryzen 9 3900X is 113% above the category average for l3 core, ranking #16 out of 643 — see ranking cpu products.
What is the blender (bmw27) result of the AMD Ryzen 9 3900X?
At 116.4 seconds, the AMD Ryzen 9 3900X is 73% below the category average for blender (bmw27) result, ranking #90 out of 100 — see ranking cpu products.
What is the TDP of the AMD Ryzen 9 3900X?
At 105W, the AMD Ryzen 9 3900X is 70% above the category average for TDP, ranking #107 out of 931 — see ranking cpu products.
How many threads does the AMD Ryzen 9 3900X support?
At 24 threads, the AMD Ryzen 9 3900X is 65% above the category average for CPU threads, ranking #74 out of 951 — see ranking cpu products.
What is the PassMark result of the AMD Ryzen 9 3900X?
At 32,537, the AMD Ryzen 9 3900X is 57% above the category average for PassMark result, ranking #133 out of 855 — see ranking cpu products.
How much L1 cache does the AMD Ryzen 9 3900X have?
At 768 KB, the AMD Ryzen 9 3900X is 54% above the category average for L1 cache, ranking #61 out of 656 — see ranking cpu products.
What is the cinebench r20 (multi) result of the AMD Ryzen 9 3900X?
At 6954, the AMD Ryzen 9 3900X is 35% above the category average for cinebench r20 (multi) result, ranking #53 out of 261 — see ranking cpu products.
What is the semiconductor size of the AMD Ryzen 9 3900X?
At 7 nm, the AMD Ryzen 9 3900X is 33% below the category average for semiconductor size, ranking #577 out of 950 — see ranking cpu products.
What is the multi-core Geekbench 6 score of the AMD Ryzen 9 3900X?
At 9924, the AMD Ryzen 9 3900X is 29% above the category average for multi-core Geekbench 6 score, ranking #158 out of 576 — see ranking cpu products.
What is the RAM speed of the AMD Ryzen 9 3900X?
At 3200 MHz, the AMD Ryzen 9 3900X is 26% below the category average for RAM speed, ranking #479 out of 929 — see ranking cpu products.
How much L2 cache does the AMD Ryzen 9 3900X have?
At 6 MB, the AMD Ryzen 9 3900X is 20% below the category average for L2 cache, ranking #282 out of 820 — see ranking cpu products.
How does it compare?
How does the AMD Ryzen 9 3900X's L1 cache compare to similar CPUss?
At 768 KB, the AMD Ryzen 9 3900X leads the Intel Core i7-12800HX (80 KB) by 90%.
How does the AMD Ryzen 9 3900X's L2 cache compare to similar CPUss?
At 6 MB, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (32 MB) by 81%.
How does the AMD Ryzen 9 3900X's TDP compare to similar CPUss?
At 105W, the AMD Ryzen 9 3900X leads the Intel Core i7-13700TE (35W) by 67%.
How does the AMD Ryzen 9 3900X's L3 cache compare to similar CPUss?
At 64 MB, the AMD Ryzen 9 3900X leads the Intel Core i7-12850HX (25 MB) by 61%.
How does the AMD Ryzen 9 3900X's multi-core Geekbench 6 score compare to similar CPUss?
At 9924, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (21,157) by 53%.
How does the AMD Ryzen 9 3900X's RAM speed compare to similar CPUss?
At 3200 MHz, the AMD Ryzen 9 3900X trails the Intel Core i7-13700TE (5600 MHz) by 43%.
How does the AMD Ryzen 9 3900X's single-core Geekbench 6 score compare to similar CPUss?
At 1708, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (2756) by 38%.
How does the AMD Ryzen 9 3900X's passmark result (single) compare to similar CPUss?
At 2703, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (4088) by 34%.
How does the AMD Ryzen 9 3900X's maximum memory compare to similar CPUss?
At 128GB, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (192GB) by 33%.
How does the AMD Ryzen 9 3900X's PassMark result compare to similar CPUss?
At 32,537, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (48,477) by 33%.
How does the AMD Ryzen 9 3900X's semiconductor size compare to similar CPUss?
At 7 nm, the AMD Ryzen 9 3900X trails the Intel Core i7-12850HX (10 nm) by 30%.
How does the AMD Ryzen 9 3900X's DDR memory version compare to similar CPUss?
At 4, the AMD Ryzen 9 3900X trails the Apple M2 Ultra (76-core GPU) (5) by 20%.