Buy on Amazon
$363.56
In Stock
AvailabilityMSRP in USD: $423
Availability
MSRP in USD: $423
Availability
Availability
Key Differences
In short — Core i9-9900T outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i9-9900T is 565 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i9-9900T
- Performs up to 1% better in Forza Horizon 5 than Core i5-8400 - 172 vs 171 FPS
- Consumes up to 46% less energy than Intel Core i5-8400 - 35 vs 65 Watts
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Advantages of Intel Core i5-8400
- Up to 69% cheaper than Core i9-9900T - $114.0 vs $363.56
- Up to 68% better value when playing Forza Horizon 5 than Core i9-9900T - $0.67 vs $2.11 per FPS
Forza Horizon 5
Resolution
1920 x 1080
Game Graphics
Max
Core i9-9900T
Desktop • Apr 23rd, 2019
FPS
172
100%
Value, $/FPS
$2.11/FPS
31%
Price, $
$363.56
31%
FPS Winner
Core I9-9900T ES QQC0 CPU 1.7GHz 16MB 35W 8 Cores 16 Thread 14nm 9thGeneration CPU LGA1151 for I9 9900T
Buy for $363.56 on Amazon
In Stock
Updated 331 minutes ago
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $114 on Amazon
In Stock
Updated 334 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Max
Core i9-9900T
Desktop • Apr 23rd, 2019
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i9-9900T | vs | Intel Core i5-8400 |
|---|---|---|
Apr 23rd, 2019 | Release Date | Oct 5th, 2017 |
| Core i9 | Collection | Core i5 |
| Coffee Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 6 |
16 | Threads | 6 |
| 2.1 GHz | Base Clock Speed | 2.8 GHz |
4.4 GHz | Turbo Clock Speed | 4.0 GHz |
35 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
| 21.0x | Multiplier | 28.0x |
UHD Graphics 630 | Integrated Graphics | None |
| No | Overclockable | No |
Builds Using Core i9-9900T or Core i5-8400
Forza Horizon 5, 1920 x 1080, Max
1 FPS
$849.99/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
