Key Differences
In short — Core i5-8400T outperforms the cheaper Pentium G840 on the selected game parameters. However, the worse performing Pentium G840 is a better bang for your buck. The better performing Core i5-8400T is 2507 days newer than the cheaper Pentium G840.
Advantages of Intel Core i5-8400T
- Performs up to 151% better in League of Legends than Pentium G840 - 128 vs 51 FPS
- Consumes up to 46% less energy than Intel Pentium G840 - 35 vs 65 Watts
- Can execute more multi-threaded tasks simultaneously than Intel Pentium G840 - 6 vs 2 threads
Advantages of Intel Pentium G840
- Up to 68% cheaper than Core i5-8400T - $45.0 vs $139.0
- Up to 19% better value when playing League of Legends than Core i5-8400T - $0.88 vs $1.09 per FPS
- Works without a dedicated GPU, while Intel Core i5-8400T doesn't have integrated graphics
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Desktop • Apr 2nd, 2018
FPS
128
100%
Value, $/FPS
$1.09/FPS
80.73394495412843%
Price, $
$139
32%
FPS Winner
Buy for $139 on Amazon
In Stock
Updated 361361 minutes ago
Desktop • May 22nd, 2011
FPS
51
39.84375%
Value, $/FPS
$0.88/FPS
100%
Price, $
$45
100%
Value Winner
Buy for $45 on Amazon
In Stock
Updated 361360 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Desktop • Apr 2nd, 2018
Desktop • May 22nd, 2011
Geekbench 5 Benchmarks
Desktop • May 22nd, 2011
Single-Core
439
39.94540491355778%
Multi-Core
745
19.181256436663233%
Intel Core i5-8400T | vs | Intel Pentium G840 |
---|---|---|
Apr 2nd, 2018 | Release Date | May 22nd, 2011 |
Core i5 | Collection | Pentium |
Coffee Lake | Codename | Sandy Bridge |
Intel Socket 1151 | Socket | Intel Socket 1155 |
Desktop | Segment | Desktop |
6 | Cores | 2 |
6 | Threads | 2 |
1.7 GHz | Base Clock Speed | 2.8 GHz |
3.3 GHz | Turbo Clock Speed | Non-Turbo |
35 W | TDP | 65 W |
14 nm | Process Size | 32 nm |
17.0x | Multiplier | 28.0x |
None | Integrated Graphics | Intel HD (Sandy Bridge) |
No | Overclockable | No |