Intel Xeon E3-1245 v2 vs E3-1225 |
Released May, 2012
Intel Xeon E3-1245 v2
- 3.4 GHz
- Quad core
Reasons to buy the Intel Xeon E3-1245 v2
 | Much higher clock speed 3.4 GHz | | Much better PassMark score 9,099 |
| | Significantly higher turbo clock speed 3.8 GHz | | Much better performance per watt 9.49 pt/W |
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Released April, 2011
Intel Xeon E3-1225
- 3.1 GHz
- Quad core
Reasons to buy the E3-1225
| | Much higher GPU clock speed 850 MHz |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 3.4 GHz | vs | 3.1 GHz | Around 10% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much better PassMark score | 9,099 | vs | 5,954 | Around 55% better PassMark score | |||
| Significantly higher turbo clock speed | 3.8 GHz | vs | 3.4 GHz | More than 10% higher turbo clock speed | |||
| Much better performance per watt | 9.49 pt/W | vs | 2.31 pt/W | More than 4x better performance per watt | |||
| Much better performance per dollar | 2.44 pt/$ | vs | 1.01 pt/$ | Around 2.5x better performance per dollar | |||
| More l3 cache | 8 MB | vs | 6 MB | Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| More number of displays supported | 3 | vs | 2 | 1 more number of displays supported | |||
| More threads | 8 | vs | 4 | Twice as many threads | |||
| Newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Lower typical power consumption | 62.56W | vs | 77.19W | Around 20% lower typical power consumption | |||
| More l3 cache per core | 2 MB/core | vs | 1.5 MB/core | Around 35% more l3 cache per core | |||
| Lower annual commercial energy cost | 67.45 $/year | vs | 83.22 $/year | Around 20% lower annual commercial energy cost | |||
| Lower annual home energy cost | 18.55 $/year | vs | 22.89 $/year | Around 20% lower annual home energy cost | |||
| Newer | May, 2012 | vs | Apr, 2011 | Release date over 1 years later | |||
| |||||||
| Much higher GPU clock speed | 850 MHz | vs | 650 MHz | More than 30% higher GPU clock speed | |||
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Benchmarks Real world tests of Xeon E3-1245 v2 vs E3-1225
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E3-1245 v2 | vs | E3-1225 |
|---|---|---|---|
| Clock speed | 3.4 GHz | 3.1 GHz | |
| Turbo clock speed | 3.8 GHz | 3.4 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 1155 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 77W | 95W | |
| Annual home energy cost | 18.55 $/year | 22.89 $/year | |
| Annual commercial energy cost | 67.45 $/year | 83.22 $/year | |
| Performance per watt | 9.49 pt/W | 2.31 pt/W | |
| Typical power consumption | 62.56W | 77.19W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 5,000 MT/s | 5,000 MT/s | |
details | Xeon E3-1245 v2 | vs | E3-1225 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 4 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 8 MB | 6 MB | |
| L3 cache per core | 2 MB/core | 1.5 MB/core | |
| Manufacture process | 22 nm | 32 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 34 | 31 | |
overclocking | |||
| Overclock popularity | 4 | 0 | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics P4000 | Intel® HD Graphics P3000 | |
| Number of displays supported | 3 | 2 | |
| GPU clock speed | 650 MHz | 850 MHz | |
| Turbo clock speed | 1,250 MHz | 1,350 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 25,600 MB/s | 21,333.32 MB/s | |
| Maximum memory size | 33,556.48 MB | 32,768 MB | |
 Intel Xeon E3-1245 v2  Report a correction |  Intel Xeon E3-1225 Report a correction |
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