TDP
65W
Max RAM
41.6 GB/s
General info
| Type i | Desktop (537 others) |
| Cpu socket i | LGA 1151Intel Core i5-8400 |
| Chipset i | B365, Z390, Q370, H370, B360, H310, Z370 (6 others) |
| Has Integrated Graphics i | ✔ (785 others) |
| Release date i | 8 years ago10/05/2017 (5 others) |
| Thermal design power (tdp) i | 65W (199 others) |
| Semiconductor size i | 14 nm (274 others) |
| Cpu temperature i | 100 °C (504 others) |
| Pci express (pcie) version i | 3 (376 others) |
Performance
| CPU Speed i | 6 x 2.8 GHz (1 other) |
| Cpu threads i | 6 threads (25 others) |
| Turbo clock speed i | 4GHz (27 others) |
| Has An Unlocked Multiplier i | ✖ |
| L2 Cache i | 1.5 MB (55 others) |
| L3 Cache i | 9 MB (23 others) |
| L1 Cache i | 384 KB (139 others) |
| L2 Core i | 0.25 MB/core (254 others) |
| L3 Core i | 1.5 MB/core (135 others) |
Benchmarks
| Passmark result i | 9234 |
| Passmark result (single) i | 2380 |
| Cinebench r20 (multi) result i | 2291 |
| Cinebench r20 (single) result i | 411 (3 others) |
| Geekbench 6 Result (multi) i | 4808 |
| Geekbench 6 Result (single) i | 1373 |
Integrated graphics
| GPU Clock Speed i | 350 MHz (176 others) |
| Gpu name i | UHD Graphics 630 (90 others) |
| Gpu turbo i | 1050 MHz (38 others) |
| Gpu execution units i | 24 (92 others) |
| Directx version i | DirectX 12 (574 others) |
| Supported displays i | 3 (289 others) |
| Opengl version i | 4.5 (235 others) |
| Opencl version i | 3 (289 others) |
| Texture mapping units (tmus) i | 24 (75 others) |
Memory
| Ram speed (max) i | 2666 MHz (94 others) |
| Maximum memory bandwidth i | 41.6 GB/s (56 others) |
| Ddr memory version i | 4 (397 others) |
| Memory channels i | 2 (845 others) |
| Maximum memory amount i | 64GB (217 others) |
| Bus transfer rate i | 8 GT/s (195 others) |
| Supports ecc memory i | ✖ |
Similar products
Frequently Asked Questions
What is the bus transfer rate of the Intel Core i5-8400?
At 8 GT/s, the Intel Core i5-8400 is 18% above the category average for bus transfer rate, ranking #4 out of 315 — see ranking cpu products.
How much L2 cache does the Intel Core i5-8400 have?
At 1.5 MB, the Intel Core i5-8400 is 80% below the category average for L2 cache, ranking #567 out of 820 — see ranking cpu products.
How much L3 cache does the Intel Core i5-8400 have?
At 9 MB, the Intel Core i5-8400 is 59% below the category average for L3 cache, ranking #571 out of 870 — see ranking cpu products.
How many threads does the Intel Core i5-8400 support?
At 6 threads, the Intel Core i5-8400 is 59% below the category average for CPU threads, ranking #743 out of 951 — see ranking cpu products.
How much memory does the Intel Core i5-8400 support?
At 64GB, the Intel Core i5-8400 is 58% below the category average for maximum memory, ranking #530 out of 904 — see ranking cpu products.
What is the l2 core of the Intel Core i5-8400?
At 0.25 MB/core, the Intel Core i5-8400 is 58% below the category average for l2 core, ranking #395 out of 665 — see ranking cpu products.
What is the cinebench r20 (multi) result of the Intel Core i5-8400?
At 2291, the Intel Core i5-8400 is 56% below the category average for cinebench r20 (multi) result, ranking #194 out of 261 — see ranking cpu products.
What is the PassMark result of the Intel Core i5-8400?
At 9234, the Intel Core i5-8400 is 55% below the category average for PassMark result, ranking #594 out of 855 — see ranking cpu products.
What is the l3 core of the Intel Core i5-8400?
At 1.5 MB/core, the Intel Core i5-8400 is 40% below the category average for l3 core, ranking #445 out of 643 — see ranking cpu products.
What is the RAM speed of the Intel Core i5-8400?
At 2666 MHz, the Intel Core i5-8400 is 38% below the category average for RAM speed, ranking #633 out of 929 — see ranking cpu products.
What is the multi-core Geekbench 6 score of the Intel Core i5-8400?
At 4808, the Intel Core i5-8400 is 38% below the category average for multi-core Geekbench 6 score, ranking #381 out of 576 — see ranking cpu products.
What is the gpu turbo of the Intel Core i5-8400?
At 1050 MHz, the Intel Core i5-8400 is 35% below the category average for gpu turbo, ranking #656 out of 746 — see ranking cpu products.
How does it compare?
How does the Intel Core i5-8400's TDP compare to similar CPUss?
At 65W, the Intel Core i5-8400 leads the AMD Ryzen 5 4500U (15W) by 77%.
How does the Intel Core i5-8400's semiconductor size compare to similar CPUss?
At 14 nm, the Intel Core i5-8400 leads the AMD Ryzen 5 4500U (7 nm) by 50%.
How does the Intel Core i5-8400's L2 cache compare to similar CPUss?
At 1.5 MB, the Intel Core i5-8400 trails the AMD Ryzen 5 4500U (3 MB) by 50%.
How does the Intel Core i5-8400's l2 core compare to similar CPUss?
At 0.25 MB/core, the Intel Core i5-8400 trails the AMD Ryzen 5 4500U (0.5 MB/core) by 50%.
How does the Intel Core i5-8400's maximum memory compare to similar CPUss?
At 64GB, the Intel Core i5-8400 trails the Intel Core i5-9400 (128GB) by 50%.
How does the Intel Core i5-8400's RAM speed compare to similar CPUss?
At 2666 MHz, the Intel Core i5-8400 trails the AMD Ryzen 5 4500U (4266 MHz) by 38%.
How does the Intel Core i5-8400's gpu turbo compare to similar CPUss?
At 1050 MHz, the Intel Core i5-8400 trails the AMD Ryzen 5 4500U (1500 MHz) by 30%.
How does the Intel Core i5-8400's cpu temperature compare to similar CPUss?
At 100 °C, the Intel Core i5-8400 leads the Intel Core i5-8420 (72 °C) by 28%.
How does the Intel Core i5-8400's supported displays compare to similar CPUss?
At 3, the Intel Core i5-8400 trails the AMD Ryzen 5 4500U (4) by 25%.
How does the Intel Core i5-8400's cinebench r20 (multi) result compare to similar CPUss?
At 2291, the Intel Core i5-8400 leads the AMD Ryzen 5 4500U (1921) by 16%.
How does the Intel Core i5-8400's gpu clock speed compare to similar CPUss?
At 350 MHz, the Intel Core i5-8400 leads the AMD Ryzen 5 4500U (300 MHz) by 14%.
How does the Intel Core i5-8400's PassMark result compare to similar CPUss?
At 9234, the Intel Core i5-8400 trails the AMD Ryzen 5 4500U (10,754) by 14%.