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| 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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Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
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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 | |||
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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 | |||
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CPUBoss is not aware of any important advantages of the E7-4809 v2 vs the E7-4820 v2. | |||||||
Features Key features of the Xeon E7-4820 v2 vs E7-4809 v2
clock speed
Xeon E7-4820 v2
2 GHz
Xeon E7-4809 v2
1.9 GHz
L2 cache
Xeon E7-4820 v2
2 MB
Xeon E7-4809 v2
1.5 MB
L3 cache
Xeon E7-4820 v2
16 MB
Xeon E7-4809 v2
12 MB
TDP
Xeon E7-4820 v2
105W
Xeon E7-4809 v2
105W
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 ![]() | Intel Xeon E7-4809 v2 ![]() |
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