Buy on Amazon
$40.99
In Stock
Availability
Availability
AvailabilityMSRP in USD: $599
Availability
MSRP in USD: $599
Key Differences
In short — Core i9-12900K outperforms the cheaper Pentium G645 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 3350 days newer than the cheaper Pentium G645.
Advantages of Intel Pentium G645
- Up to 85% cheaper than Core i9-12900K - $40.99 vs $269.99
- Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts
Advantages of Intel Core i9-12900K
- Performs up to 28% better in Borderlands 3 than Pentium G645 - 250 vs 195 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Pentium G645 - 24 vs 2 threads
Borderlands 3
Resolution
1920 x 1080
Game Graphics
Badass
Intel Pentium G645 Dual-Core Processor 2.9 Ghz 3 MB Cache LGA 1155 - BX80623G645
Buy for $40.99 on Amazon
In Stock
Updated 302 minutes ago
Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W
Buy for $269.99 on Amazon
In Stock
Updated 302 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Badass
Pentium G645
Desktop • Sep 2nd, 2012
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Pentium G645
Desktop • Sep 2nd, 2012
Single-Core
465
17.748091603053435%
Multi-Core
800
5.179669796050502%
Intel Pentium G645 | vs | Intel Core i9-12900K |
|---|---|---|
| Sep 2nd, 2012 | Release Date | Nov 4th, 2021 |
| Pentium | Collection | Core i9 |
| Sandy Bridge | Codename | Alder Lake |
| Intel Socket 1155 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
| 2 | Cores | 16 |
| 2 | Threads | 24 |
| 2.9 GHz | Base Clock Speed | 3.2 GHz |
| Non-Turbo | Turbo Clock Speed | 5.2 GHz |
65 W | TDP | 125 W |
| 32 nm | Process Size | 10 nm |
| 29.0x | Multiplier | 32.0x |
| Intel HD (Sandy Bridge) | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
Builds Using Pentium G645 or Core i9-12900K
Borderlands 3, 1920 x 1080, Badass
159 FPS
$24.96/FPS
GeForce RTX 3090
Core i9-12900K
32 GB, 8 TB SSD + 1 TB HDD
Buy on Amazon
$3,969
In Stock
102 FPS
$13.52/FPS
GeForce RTX 4060
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$1,379
In Stock
74 FPS
$18.22/FPS
GeForce RTX 3050
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$1,348
In Stock
250 FPS
$14.4/FPS
GeForce RTX 4090
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
$3,599.99
In Stock
176 FPS
$10.8/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$1,899.99
In Stock
176 FPS
$13.62/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,396.8
In Stock
159 FPS
$18.06/FPS
GeForce RTX 3090
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,870.99
In Stock
102 FPS
$15.58/FPS
GeForce RTX 4060
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$1,589
In Stock
102 FPS
$13.52/FPS
GeForce RTX 4060
Core i9-12900K
32 GB, 1 TB SSD
Buy on Amazon
$1,379
In Stock
176 FPS
$13.81/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,429.99
In Stock
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