Intel Xeon E3-1265L v2 vs E3-1220LV2 |
Released May, 2012
Intel Xeon E3-1265L v2
- 2.5 GHz
- Quad core
Reasons to buy the Intel Xeon E3-1265L v2
 | Much more l3 cache 8 MB | | Much better PassMark score 7,745 |
| | Significantly higher clock speed 2.5 GHz | | More cores 4 |
by Niels-Broekhuijsen (Apr, 2013)The E7-8800 V2 chips would work in configurations that feature up to eight sockets and will feature 15 cores per CPU, along with Hyperthreading, resulting in 30 threads per socket.
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Released May, 2012
Intel Xeon E3-1220LV2
- 2.3 GHz
- Dual core
Reasons to buy the E3-1220LV2
| | Significantly lower typical power consumption 13.81W | | Much more l2 cache per core 0.5 MB/core |
| | Significantly lower annual commercial energy cost 14.89 $/year | | Significantly lower annual home energy cost 4.1 $/year |
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Differences What are the advantages of each
| |||||||
| Much more l3 cache | 8 MB | vs | 3 MB | Around 2.8x more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much better PassMark score | 7,745 | vs | 4,427 | Around 75% better PassMark score | |||
| Significantly higher clock speed | 2.5 GHz | vs | 2.3 GHz | Around 10% higher clock speed | |||
| More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
| Much better performance per dollar | 2.8 pt/$ | vs | 0.78 pt/$ | More than 3.5x better performance per dollar | |||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
| More threads | 8 | vs | 4 | Twice as many threads | |||
| Much better overclocked clock speed (Air) | 2.5 GHz | vs | 1.8 GHz | Around 40% better overclocked clock speed (Air) | |||
| More l3 cache per core | 2 MB/core | vs | 1.5 MB/core | Around 35% more l3 cache per core | |||
| Much better overclocked clock speed (Water) | 2.5 GHz | vs | 1.8 GHz | Around 40% better overclocked clock speed (Water) | |||
| |||||||
| Significantly lower typical power consumption | 13.81W | vs | 36.56W | 2.6x lower typical power consumption | |||
| Much more l2 cache per core | 0.5 MB/core | vs | 0.25 MB/core | 2x more l2 cache per core | |||
| Significantly lower annual commercial energy cost | 14.89 $/year | vs | 39.42 $/year | 2.6x lower annual commercial energy cost | |||
| Significantly lower annual home energy cost | 4.1 $/year | vs | 10.84 $/year | 2.6x lower annual home energy cost | |||
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Benchmarks Real world tests of Xeon E3-1265L v2 vs E3-1220LV2
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E3-1265L v2 | vs | E3-1220LV2 |
|---|---|---|---|
| Clock speed | 2.5 GHz | 2.3 GHz | |
| Turbo clock speed | 3.5 GHz | 3.5 GHz | |
| Cores | Quad core | Dual 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 | 45W | 17W | |
| Annual home energy cost | 10.84 $/year | 4.1 $/year | |
| Annual commercial energy cost | 39.42 $/year | 14.89 $/year | |
| Performance per watt | 19.91 pt/W | 8.68 pt/W | |
| Typical power consumption | 36.56W | 13.81W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 5,000 MT/s | 5,000 MT/s | |
details | Xeon E3-1265L v2 | vs | E3-1220LV2 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 4 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| L3 cache | 8 MB | 3 MB | |
| L3 cache per core | 2 MB/core | 1.5 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 2.5 GHz | 1.8 GHz | |
| Overclocked clock speed (Water) | 2.5 GHz | 1.8 GHz | |
| Overclocked clock speed (Air) | 2.5 GHz | 1.8 GHz | |
integrated graphics | |||
| GPU | GPU | None | |
| Label | Intel® HD Graphics 2500 | N/A | |
| Number of displays supported | 3 | N/A | |
| GPU clock speed | 650 MHz | N/A | |
| Turbo clock speed | 1,150 MHz | N/A | |
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 | 25,600 MB/s | |
| Maximum memory size | 33,556.48 MB | 33,003.52 MB | |
 Intel Xeon E3-1265L v2  Report a correction |  Intel Xeon E3-1220LV2 Report a correction |
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