Intel Pentium G645T vs G2120T |
Released September, 2012
Intel Pentium G645T
- 2.5 GHz
- Dual core
Reasons to buy the Intel Pentium G645T
 | Much better turbo clock speed 1,100 MHz |
VS
Released April, 2013
Intel Pentium G2120T
- 2.7 GHz
- Dual core
Reasons to buy the G2120T
| | Much newer manufacturing process 22 nm | | More number of displays supported 3 |
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Differences What are the advantages of each
| |||||||
| Much better turbo clock speed | 1,100 MHz | vs | 1,050 MHz | Around 5% better turbo clock speed | |||
|---|---|---|---|---|---|---|---|
| |||||||
| Much newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| More number of displays supported | 3 | vs | 2 | 1 more number of displays supported | |||
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Features Key features of the Pentium G645T vs G2120T
clock speed
L2 cache
L3 cache
gpu clock speed
overclocked clock speed (air)
overclocked clock speed (water)
Specifications Full list of technical specs
summary | Pentium G645T | vs | G2120T |
|---|---|---|---|
| Clock speed | 2.5 GHz | 2.7 GHz | |
| Cores | Dual core | Dual core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| 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 | 35W | 35W | |
| Annual home energy cost | 8.43 $/year | 8.43 $/year | |
| Annual commercial energy cost | 30.66 $/year | 30.66 $/year | |
| Typical power consumption | 28.44W | 28.44W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 5,000 MT/s | 5,000 MT/s | |
details | Pentium G645T | vs | G2120T |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| L3 cache | 3 MB | 3 MB | |
| L3 cache per core | 1.5 MB/core | 1.5 MB/core | |
| Manufacture process | 32 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 2.5 GHz | 2.7 GHz | |
| Overclocked clock speed (Water) | 2.5 GHz | 2.7 GHz | |
| Overclocked clock speed (Air) | 2.5 GHz | 2.7 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics | Intel® HD Graphics | |
| Number of displays supported | 2 | 3 | |
| GPU clock speed | 650 MHz | 650 MHz | |
| Turbo clock speed | 1,100 MHz | 1,050 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Maximum bandwidth | 17,066.66 MB/s | 25,600 MB/s | |
| Maximum memory size | 32,768 MB | 32,768 MB | |
 Intel Pentium G645T  Report a correction |  Intel Pentium G2120T Report a correction |
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