Intel Xeon E7-4820 v2 vs E7-4820 |
Released February, 2014
Intel Xeon E7-4820 v2
- 2 GHz
- Octa core
Reasons to buy the Intel Xeon E7-4820 v2
 | Higher turbo clock speed 2.5 GHz | | Newer manufacturing process 22 nm |
| | Newer Feb, 2014 |
VS
Released April, 2011
Intel Xeon E7-4820
- 2 GHz
- Octa core
Reasons to buy the E7-4820
| | Supports more RAM 2,097,152 MB | | More l3 cache 18 MB |
| | More l3 cache per core 2.25 MB/core |
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Differences What are the advantages of each
| |||||||
| Higher turbo clock speed | 2.5 GHz | vs | 2.27 GHz | More than 10% higher turbo clock speed | |||
|---|---|---|---|---|---|---|---|
| Newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Newer | Feb, 2014 | vs | Apr, 2011 | Release date over 2 years later | |||
| |||||||
| Supports more RAM | 2,097,152 MB | vs | 1,572,864 MB | Supports around 35% more RAM | |||
| More l3 cache | 18 MB | vs | 16 MB | Around 15% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| More l3 cache per core | 2.25 MB/core | vs | 2 MB/core | Around 15% more l3 cache per core | |||
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Features Key features of the Xeon E7-4820 v2 vs E7-4820
clock speed
turbo clock speed
L2 cache
L3 cache
TDP
Specifications Full list of technical specs
summary | Xeon E7-4820 v2 | vs | E7-4820 |
|---|---|---|---|
| Clock speed | 2 GHz | 2 GHz | |
| Turbo clock speed | 2.5 GHz | 2.27 GHz | |
| Cores | Octa core | Octa core | |
| Socket type | |||
| LGA 2011 | |||
| LGA 1567 | |||
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 | 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 | 1 | |
| Data rate | 86,400 MB/s | 23,464 MB/s | |
| Transfer rate | 7,200 MT/s | 5,860 MT/s | |
| Clock speed | 3,600 MHz | 2,930 MHz | |
details | Xeon E7-4820 v2 | vs | E7-4820 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 16 | 16 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 16 MB | 18 MB | |
| L3 cache per core | 2 MB/core | 2.25 MB/core | |
| Manufacture process | 22 nm | 32 nm | |
| Max CPUs | 4 | 4 | |
| Clock multiplier | 20 | 15 | |
| Operating temperature | Unknown - 68°C | Unknown - 64°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 | |||
| DDR | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 42,666.64 MB/s | 25,600 MB/s | |
| Maximum memory size | 1,572,864 MB | 2,097,152 MB | |
 Intel Xeon E7-4820 v2  Report a correction |  Intel Xeon E7-4820 Report a correction |
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