TDP
165W
Max RAM
85 GB/s
General info
| Type i | Desktop (537 others) |
| Cpu socket i | LGA 2066Intel Core i9-7940X |
| Chipset i | X299 (12 others) |
| Has Integrated Graphics i | ✖ |
| Release date i | 8 years ago05/30/2017 (3 others) |
| Thermal design power (tdp) i | 165W (13 others) |
| Semiconductor size i | 14 nm (274 others) |
| Cpu temperature i | 102 °C |
| Pci express (pcie) version i | 3 (376 others) |
Performance
| CPU Speed i | 14 x 3.1 GHz |
| Cpu threads i | 28 threads (9 others) |
| Turbo clock speed i | 4.4GHz (57 others) |
| Has An Unlocked Multiplier i | ✔ (256 others) |
| L2 Cache i | 14 MB (11 others) |
| L3 Cache i | 19.2 MB |
| L1 Cache i | 448 KB (1 other) |
| L2 Core i | 1 MB/core (163 others) |
| L3 Core i | 1.3 MB/core (5 others) |
Benchmarks
| Passmark result i | 25540 |
| Passmark result (single) i | 2482 |
| Geekbench 6 Result (multi) i | 9918 |
| Geekbench 6 Result (single) i | 1368 |
Memory
| Ram speed (max) i | 2666 MHz (94 others) |
| Maximum memory bandwidth i | 85 GB/s (1 other) |
| Ddr memory version i | 4 (397 others) |
| Memory channels i | 4 (48 others) |
| Maximum memory amount i | 128GB (262 others) |
| Supports ecc memory i | ✖ |
Similar products
Frequently Asked Questions
What is the TDP of the Intel Core i9-7940X?
At 165W, the Intel Core i9-7940X is 168% above the category average for TDP, ranking #32 out of 931 — see ranking cpu products.
How many threads does the Intel Core i9-7940X support?
At 28 threads, the Intel Core i9-7940X is 92% above the category average for CPU threads, ranking #64 out of 951 — see ranking cpu products.
How much L2 cache does the Intel Core i9-7940X have?
At 14 MB, the Intel Core i9-7940X is 87% above the category average for L2 cache, ranking #116 out of 820 — see ranking cpu products.
What is the memory channels of the Intel Core i9-7940X?
At 4, the Intel Core i9-7940X is 80% above the category average for memory channels, ranking #19 out of 921 — see ranking cpu products.
What is the l2 core of the Intel Core i9-7940X?
At 1 MB/core, the Intel Core i9-7940X is 69% above the category average for l2 core, ranking #51 out of 665 — see ranking cpu products.
What is the l3 core of the Intel Core i9-7940X?
At 1.3 MB/core, the Intel Core i9-7940X is 48% below the category average for l3 core, ranking #595 out of 643 — see ranking cpu products.
What is the RAM speed of the Intel Core i9-7940X?
At 2666 MHz, the Intel Core i9-7940X is 38% below the category average for RAM speed, ranking #633 out of 929 — see ranking cpu products.
What is the semiconductor size of the Intel Core i9-7940X?
At 14 nm, the Intel Core i9-7940X is 33% above the category average for semiconductor size, ranking #86 out of 950 — see ranking cpu products.
What is the multi-core Geekbench 6 score of the Intel Core i9-7940X?
At 9918, the Intel Core i9-7940X is 29% above the category average for multi-core Geekbench 6 score, ranking #159 out of 576 — see ranking cpu products.
What is the PassMark result of the Intel Core i9-7940X?
At 25,540, the Intel Core i9-7940X is 24% above the category average for PassMark result, ranking #237 out of 855 — see ranking cpu products.
What is the single-core Geekbench 6 score of the Intel Core i9-7940X?
At 1368, the Intel Core i9-7940X is 21% below the category average for single-core Geekbench 6 score, ranking #381 out of 576 — see ranking cpu products.
What is the PCIe version of the Intel Core i9-7940X?
At 3, the Intel Core i9-7940X is 21% below the category average for PCIe version, ranking #508 out of 919 — see ranking cpu products.
How does it compare?
How does the Intel Core i9-7940X's L2 cache compare to similar CPUss?
At 14 MB, the Intel Core i9-7940X leads the AMD Ryzen 3 5305GE (2 MB) by 86%.
How does the Intel Core i9-7940X's TDP compare to similar CPUss?
At 165W, the Intel Core i9-7940X leads the AMD Ryzen 3 5305GE (35W) by 79%.
How does the Intel Core i9-7940X's semiconductor size compare to similar CPUss?
At 14 nm, the Intel Core i9-7940X leads the Apple M3 Ultra (28-core CPU / 60-core GPU) (3 nm) by 79%.
How does the Intel Core i9-7940X's multi-core Geekbench 6 score compare to similar CPUss?
At 9918, the Intel Core i9-7940X trails the Apple M3 Ultra (28-core CPU / 60-core GPU) (27,749) by 64%.
How does the Intel Core i9-7940X's L3 cache compare to similar CPUss?
At 19.2 MB, the Intel Core i9-7940X leads the AMD Ryzen 3 5305GE (8 MB) by 58%.
How does the Intel Core i9-7940X's single-core Geekbench 6 score compare to similar CPUss?
At 1368, the Intel Core i9-7940X trails the Apple M3 Ultra (28-core CPU / 60-core GPU) (3221) by 58%.
How does the Intel Core i9-7940X's maximum memory compare to similar CPUss?
At 128GB, the Intel Core i9-7940X trails the Apple M3 Ultra (28-core CPU / 60-core GPU) (256GB) by 50%.
How does the Intel Core i9-7940X's L1 cache compare to similar CPUss?
At 448 KB, the Intel Core i9-7940X trails the Intel Core i9-9940X (896 KB) by 50%.
How does the Intel Core i9-7940X's l2 core compare to similar CPUss?
At 1 MB/core, the Intel Core i9-7940X leads the AMD Ryzen 3 5305GE (0.5 MB/core) by 50%.
How does the Intel Core i9-7940X's memory channels compare to similar CPUss?
At 4, the Intel Core i9-7940X leads the AMD Ryzen 3 5305GE (2) by 50%.
How does the Intel Core i9-7940X's l3 core compare to similar CPUss?
At 1.3 MB/core, the Intel Core i9-7940X trails the AMD Ryzen 3 5305GE (2 MB/core) by 35%.
How does the Intel Core i9-7940X's PCIe version compare to similar CPUss?
At 3, the Intel Core i9-7940X trails the Apple M3 Ultra (28-core CPU / 60-core GPU) (4) by 25%.