Intel Xeon E7-4820 v2 vs E7-4809 v2 |
Released February, 2014
Intel Xeon E7-4820 v2
- 2 GHz
- Octa core
Reasons to buy the Intel Xeon E7-4820 v2
 | Much more l3 cache 16 MB | | Supports dynamic frequency scaling Yes |
| | More l2 cache 2 MB | | Higher clock speed 2 GHz |
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Differences What are the advantages of each
| |||||||
| Much more l3 cache | 16 MB | vs | 12 MB | Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Supports dynamic frequency scaling | Yes | vs | No | Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed | |||
| More l2 cache | 2 MB | vs | 1.5 MB | Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Higher clock speed | 2 GHz | vs | 1.9 GHz | More than 5% higher clock speed | |||
| More threads | 16 | vs | 12 | 4 more threads | |||
| |||||||
| CPUBoss is not aware of any important advantages of the E7-4809 v2 vs the E7-4820 v2. | |||||||
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Features Key features of the Xeon E7-4820 v2 vs E7-4809 v2
clock speed
L2 cache
L3 cache
TDP
Specifications Full list of technical specs
summary | Xeon E7-4820 v2 | vs | E7-4809 v2 |
|---|---|---|---|
| Clock speed | 2 GHz | 1.9 GHz | |
| Cores | Octa core | Hexa core | |
| Socket type | |||
| LGA 2011 | |||
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| AES | |||
| AVX | |||
| Supports dynamic frequency scaling | Yes | No | |
power consumption | |||
| TDP | 105W | 105W | |
| Annual home energy cost | 25.29 $/year | 25.29 $/year | |
| Annual commercial energy cost | 91.98 $/year | 91.98 $/year | |
| Typical power consumption | 85.31W | 85.31W | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 3 | 3 | |
| Data rate | 86,400 MB/s | 76,800 MB/s | |
| Transfer rate | 7,200 MT/s | 6,400 MT/s | |
| Clock speed | 3,600 MHz | 3,200 MHz | |
details | Xeon E7-4820 v2 | vs | E7-4809 v2 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 16 | 12 | |
| L2 cache | 2 MB | 1.5 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 16 MB | 12 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 4 | 4 | |
| Clock multiplier | 20 | 19 | |
| Operating temperature | Unknown - 68°C | Unknown - 68°C | |
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 | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 42,666.64 MB/s | 34,133.32 MB/s | |
| Maximum memory size | 1,572,864 MB | 1,572,864 MB | |
 Intel Xeon E7-4820 v2  Report a correction |  Intel Xeon E7-4809 v2 Report a correction |
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