TDP
65W
Max RAM
47.68 GB/s
General info
| Type i | Desktop (537 others) |
| Cpu socket i | AM4AMD Ryzen 9 3900 |
| Chipset i | X570, B550, A520, X470, B450 (37 others) |
| Has Integrated Graphics i | ✖ |
| Release date i | 6 years ago09/24/2019 (1 other) |
| Thermal design power (tdp) i | 65W (199 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 3.1 GHz (1 other) |
| Cpu threads i | 24 threads (55 others) |
| Turbo clock speed i | 4.3GHz (25 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 | 30581 |
| Passmark result (single) i | 2604 |
| Cinebench r20 (multi) result i | 6443 |
| Geekbench 6 Result (multi) i | 9491 |
| Geekbench 6 Result (single) i | 1673 (1 other) |
| Blender (bmw27) Result i | 132.5 seconds |
Integrated graphics
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) |
Similar products
Frequently Asked Questions
How much L3 cache does the AMD Ryzen 9 3900 have?
At 64 MB, the AMD Ryzen 9 3900 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 3900?
At 5.33 MB/core, the AMD Ryzen 9 3900 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 3900?
At 132.5 seconds, the AMD Ryzen 9 3900 is 69% below the category average for blender (bmw27) result, ranking #88 out of 100 — see ranking cpu products.
How many threads does the AMD Ryzen 9 3900 support?
At 24 threads, the AMD Ryzen 9 3900 is 65% above the category average for CPU threads, ranking #74 out of 951 — see ranking cpu products.
How much L1 cache does the AMD Ryzen 9 3900 have?
At 768 KB, the AMD Ryzen 9 3900 is 54% above the category average for L1 cache, ranking #61 out of 656 — see ranking cpu products.
What is the PassMark result of the AMD Ryzen 9 3900?
At 30,581, the AMD Ryzen 9 3900 is 48% above the category average for PassMark result, ranking #161 out of 855 — see ranking cpu products.
What is the semiconductor size of the AMD Ryzen 9 3900?
At 7 nm, the AMD Ryzen 9 3900 is 33% below the category average for semiconductor size, ranking #577 out of 950 — see ranking cpu products.
What is the RAM speed of the AMD Ryzen 9 3900?
At 3200 MHz, the AMD Ryzen 9 3900 is 26% below the category average for RAM speed, ranking #479 out of 929 — see ranking cpu products.
What is the cinebench r20 (multi) result of the AMD Ryzen 9 3900?
At 6443, the AMD Ryzen 9 3900 is 25% above the category average for cinebench r20 (multi) result, ranking #60 out of 261 — see ranking cpu products.
What is the multi-core Geekbench 6 score of the AMD Ryzen 9 3900?
At 9491, the AMD Ryzen 9 3900 is 23% above the category average for multi-core Geekbench 6 score, ranking #174 out of 576 — see ranking cpu products.
How much L2 cache does the AMD Ryzen 9 3900 have?
At 6 MB, the AMD Ryzen 9 3900 is 20% below the category average for L2 cache, ranking #282 out of 820 — see ranking cpu products.
How much memory does the AMD Ryzen 9 3900 support?
At 128GB, the AMD Ryzen 9 3900 is 16% below the category average for maximum memory, ranking #213 out of 904 — see ranking cpu products.
How does it compare?
How does the AMD Ryzen 9 3900's L2 cache compare to similar CPUss?
At 6 MB, the AMD Ryzen 9 3900 trails the Apple M2 Ultra (76-core GPU) (32 MB) by 81%.
How does the AMD Ryzen 9 3900's l3 core compare to similar CPUss?
At 5.33 MB/core, the AMD Ryzen 9 3900 leads the Intel Core i9-7920X (1.3 MB/core) by 76%.
How does the AMD Ryzen 9 3900's L3 cache compare to similar CPUss?
At 64 MB, the AMD Ryzen 9 3900 leads the Intel Core i9-7920X (16.5 MB) by 74%.
How does the AMD Ryzen 9 3900's TDP compare to similar CPUss?
At 65W, the AMD Ryzen 9 3900 trails the Intel Core i9-9920X (165W) by 61%.
How does the AMD Ryzen 9 3900's multi-core Geekbench 6 score compare to similar CPUss?
At 9491, the AMD Ryzen 9 3900 trails the Apple M2 Ultra (76-core GPU) (21,157) by 55%.
How does the AMD Ryzen 9 3900's semiconductor size compare to similar CPUss?
At 7 nm, the AMD Ryzen 9 3900 trails the Intel Core i9-9920X (14 nm) by 50%.
How does the AMD Ryzen 9 3900's l2 core compare to similar CPUss?
At 0.5 MB/core, the AMD Ryzen 9 3900 trails the Intel Core i9-9920X (1 MB/core) by 50%.
How does the AMD Ryzen 9 3900's memory channels compare to similar CPUss?
At 2, the AMD Ryzen 9 3900 trails the Intel Core i9-9920X (4) by 50%.
How does the AMD Ryzen 9 3900's L1 cache compare to similar CPUss?
At 768 KB, the AMD Ryzen 9 3900 leads the Intel Core i9-7920X (384 KB) by 50%.
How does the AMD Ryzen 9 3900's single-core Geekbench 6 score compare to similar CPUss?
At 1673, the AMD Ryzen 9 3900 trails the Apple M2 Ultra (76-core GPU) (2756) by 39%.
How does the AMD Ryzen 9 3900's PassMark result compare to similar CPUss?
At 30,581, the AMD Ryzen 9 3900 trails the Apple M2 Ultra (76-core GPU) (48,477) by 37%.
How does the AMD Ryzen 9 3900's passmark result (single) compare to similar CPUss?
At 2604, the AMD Ryzen 9 3900 trails the Apple M2 Ultra (76-core GPU) (4088) by 36%.