Intel Pentium G2020 vs Core2 Duo E8400 |
Released January, 2013
Intel Pentium G2020
- 2.9 GHz
- Dual core
Reasons to buy the Intel Pentium G2020
 | Has a built-in GPU Yes | | Much newer manufacturing process 22 nm |
| | Lower typical power consumption 44.69W | | Newer Jan, 2013 |
VS
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Core2 Duo E8400
| | Much more l2 cache 6 MB | | Much better overclocked clock speed (Air) 4.22 GHz |
| | Supports trusted computing Yes | | Much more l2 cache per core 3 MB/core |
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Differences What are the advantages of each
| |||||||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
|---|---|---|---|---|---|---|---|
| Much newer manufacturing process | 22 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Lower typical power consumption | 44.69W | vs | 52.81W | More than 15% lower typical power consumption | |||
| Newer | Jan, 2013 | vs | Jan, 2008 | Release date over 5 years later | |||
| Lower annual home energy cost | 13.25 $/year | vs | 15.66 $/year | More than 15% lower annual home energy cost | |||
| Lower annual commercial energy cost | 48.18 $/year | vs | 56.94 $/year | More than 15% lower annual commercial energy cost | |||
| |||||||
| Much more l2 cache | 6 MB | vs | 1 MB | 6x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3.03 GHz | Around 40% better overclocked clock speed (Air) | |||
| Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
| Much more l2 cache per core | 3 MB/core | vs | 0.5 MB/core | 6x more l2 cache per core | |||
| Higher clock speed | 3 GHz | vs | 2.9 GHz | Around 5% higher clock speed | |||
| Much better overclocked clock speed (Water) | 4.23 GHz | vs | 3.1 GHz | More than 35% better overclocked clock speed (Water) | |||
Report a correction
Benchmarks Real world tests of Pentium G2020 vs Core2 Duo E8400
CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Pentium G2020 | vs | Core2 Duo E8400 |
|---|---|---|---|
| Clock speed | 2.9 GHz | 3 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| LGA 1155 | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 55W | 65W | |
| Annual home energy cost | 13.25 $/year | 15.66 $/year | |
| Annual commercial energy cost | 48.18 $/year | 56.94 $/year | |
| Performance per watt | 2.11 pt/W | 1.83 pt/W | |
| Typical power consumption | 44.69W | 52.81W | |
details | Pentium G2020 | vs | Core2 Duo E8400 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 1 MB | 6 MB | |
| L2 cache per core | 0.5 MB/core | 3 MB/core | |
| Manufacture process | 22 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 29 | 9 | |
overclocking | |||
| Overclock popularity | 3 | 125 | |
| Overclock review score | 0.8 | 4.5 | |
| Overclocked clock speed | 3.03 GHz | 4.22 GHz | |
| Overclocked clock speed (Water) | 3.1 GHz | 4.23 GHz | |
| Overclocked clock speed (Air) | 3.03 GHz | 4.22 GHz | |
integrated graphics | |||
| GPU | GPU | None | |
| Label | Intel® HD Graphics | N/A | |
| Number of displays supported | 3 | N/A | |
| GPU clock speed | 650 MHz | N/A | |
| Turbo clock speed | 1,050 MHz | N/A | |
bus | |||
| Architecture | DMI | FSB | |
| Number of links | 1 | 1 | |
 Intel Pentium G2020  Report a correction |  Intel Core2 Duo E8400 Report a correction |
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