Intel Xeon E5-4650 vs Itanium 9540 |
Released May, 2012
Intel Xeon E5-4650
- 2.7 GHz
- Octa core
Reasons to buy the Intel Xeon E5-4650
 | Much higher clock speed 2.7 GHz | | Significantly lower typical power consumption 105.63W |
| | Significantly lower annual commercial energy cost 113.88 $/year | | Significantly lower annual home energy cost 31.32 $/year |
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Released November, 2012
Intel Itanium 9540
- 2.13 GHz
- Octa core
Reasons to buy the Itanium 9540
| | Much more l2 cache 4 MB | | Much more l3 cache 24 MB |
| | Supports more CPUs in SMP configuration 8 | | Much more l2 cache per core 0.5 MB/core |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 2.7 GHz | vs | 2.13 GHz | More than 25% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Significantly lower typical power consumption | 105.63W | vs | 138.13W | Around 25% lower typical power consumption | |||
| Significantly lower annual commercial energy cost | 113.88 $/year | vs | 148.92 $/year | Around 25% lower annual commercial energy cost | |||
| Significantly lower annual home energy cost | 31.32 $/year | vs | 40.95 $/year | Around 25% lower annual home energy cost | |||
| |||||||
| Much more l2 cache | 4 MB | vs | 2 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Much more l3 cache | 24 MB | vs | 20 MB | 20% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| Supports more CPUs in SMP configuration | 8 | vs | 4 | Twice as many CPUs in SMP configuration | |||
| Much more l2 cache per core | 0.5 MB/core | vs | 0.25 MB/core | 2x more l2 cache per core | |||
| More l3 cache per core | 3 MB/core | vs | 2.5 MB/core | 20% more l3 cache per core | |||
| Newer | Nov, 2012 | vs | May, 2012 | Release date 5 months later | |||
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Features Key features of the Xeon E5-4650 vs Itanium 9540
clock speed
L2 cache
L3 cache
TDP
Specifications Full list of technical specs
summary | Xeon E5-4650 | vs | Itanium 9540 |
|---|---|---|---|
| Clock speed | 2.7 GHz | 2.13 GHz | |
| Cores | Octa core | Octa core | |
| Socket type | |||
| LGA 2011 | |||
| LGA 1248 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 130W | 170W | |
| Annual home energy cost | 31.32 $/year | 40.95 $/year | |
| Annual commercial energy cost | 113.88 $/year | 148.92 $/year | |
| Typical power consumption | 105.63W | 138.13W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Supports ECC | Yes | Yes | |
details | Xeon E5-4650 | vs | Itanium 9540 |
|---|---|---|---|
| Threads | 16 | 16 | |
| L2 cache | 2 MB | 4 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| L3 cache | 20 MB | 24 MB | |
| L3 cache per core | 2.5 MB/core | 3 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 4 | 8 | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 1 | |
| Data rate | 64,000 MB/s | 25,600 MB/s | |
| Transfer rate | 8,000 MT/s | 6,400 MT/s | |
| Clock speed | 4,000 MHz | 3,200 MHz | |
 Intel Xeon E5-4650  Report a correction |  Intel Itanium 9540 Report a correction |
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