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| 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 |
Features Key features of the Xeon E7-4820 v2 vs E7-4820
clock speed
Xeon E7-4820 v2
2 GHz
Xeon E7-4820
2 GHz
turbo clock speed
Xeon E7-4820 v2
2.5 GHz
Xeon E7-4820
2.27 GHz
L2 cache
Xeon E7-4820 v2
2 MB
Xeon E7-4820
2 MB
L3 cache
Xeon E7-4820 v2
16 MB
Xeon E7-4820
18 MB
TDP
Xeon E7-4820 v2
105W
Xeon E7-4820
105W
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 ![]() | Intel Xeon E7-4820 ![]() |
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