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| Intel Xeon E7-8870 vs E5-4650 |
Released April, 2011
Intel Xeon E7-8870
- 2.4 GHz
- Deca core
Reasons to buy the Intel Xeon E7-8870
![]() | Supports more RAM 4,194,304 MB | ![]() | Much more l3 cache 30 MB |
![]() | Much more l2 cache 3 MB | ![]() | More threads 20 |
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Released May, 2012
Intel Xeon E5-4650
- 2.7 GHz
- Octa core
Reasons to buy the E5-4650
![]() | Much higher clock speed 2.7 GHz | ![]() | Significantly higher turbo clock speed 3.3 GHz |
![]() | Much better overclocked clock speed (Air) 2.94 GHz | ![]() | Significantly better overclocked clock speed (Water) 2.7 GHz |
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Differences What are the advantages of each
| |||||||
Supports more RAM | 4,194,304 MB | vs | 393,216 MB | Supports around 10.8x more RAM | |||
---|---|---|---|---|---|---|---|
Much more l3 cache | 30 MB | vs | 20 MB | 50% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
Much more l2 cache | 3 MB | vs | 2 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
More threads | 20 | vs | 16 | 4 more threads | |||
Supports more CPUs in SMP configuration | 8 | vs | 4 | Twice as many CPUs in SMP configuration | |||
More l3 cache per core | 3 MB/core | vs | 2.5 MB/core | 20% more l3 cache per core | |||
More l2 cache per core | 0.3 MB/core | vs | 0.25 MB/core | Around 20% more l2 cache per core | |||
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Much higher clock speed | 2.7 GHz | vs | 2.4 GHz | Around 15% higher clock speed | |||
Significantly higher turbo clock speed | 3.3 GHz | vs | 2.8 GHz | Around 20% higher turbo clock speed | |||
Much better overclocked clock speed (Air) | 2.94 GHz | vs | 2.51 GHz | More than 15% better overclocked clock speed (Air) | |||
Significantly better overclocked clock speed (Water) | 2.7 GHz | vs | 2.4 GHz | Around 15% better overclocked clock speed (Water) | |||
Newer | May, 2012 | vs | Apr, 2011 | Release date over 1 years later |
Features Key features of the Xeon E7-8870 vs E5-4650
clock speed
Xeon E7-8870
2.4 GHz
Xeon E5-4650
2.7 GHz
turbo clock speed
Xeon E7-8870
2.8 GHz
Xeon E5-4650
3.3 GHz
L2 cache
Xeon E7-8870
3 MB
Xeon E5-4650
2 MB
L3 cache
Xeon E7-8870
30 MB
Xeon E5-4650
20 MB
overclocked clock speed (air)
Xeon E7-8870
2.51 GHz
Xeon E5-4650
2.94 GHz
overclocked clock speed (water)
Xeon E7-8870
2.4 GHz
Xeon E5-4650
2.7 GHz
Specifications Full list of technical specs
summary | Xeon E7-8870 | vs | E5-4650 |
---|---|---|---|
Clock speed | 2.4 GHz | 2.7 GHz | |
Turbo clock speed | 2.8 GHz | 3.3 GHz | |
Cores | Deca core | Octa core | |
Socket type | |||
LGA 1567 | |||
LGA 2011 | |||
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 | 130W | 130W | |
Annual home energy cost | 31.32 $/year | 31.32 $/year | |
Annual commercial energy cost | 113.88 $/year | 113.88 $/year | |
Typical power consumption | 105.63W | 105.63W | |
bus | |||
Architecture | QPI | QPI | |
Number of links | 1 | 2 | |
Data rate | 25,600 MB/s | 64,000 MB/s | |
Transfer rate | 6,400 MT/s | 8,000 MT/s | |
Clock speed | 3,200 MHz | 4,000 MHz |
details | Xeon E7-8870 | vs | E5-4650 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 20 | 16 | |
L2 cache | 3 MB | 2 MB | |
L2 cache per core | 0.3 MB/core | 0.25 MB/core | |
L3 cache | 30 MB | 20 MB | |
L3 cache per core | 3 MB/core | 2.5 MB/core | |
Manufacture process | 32 nm | 32 nm | |
Max CPUs | 8 | 4 | |
overclocking | |||
Overclocked clock speed | 2.51 GHz | 2.94 GHz | |
Overclocked clock speed (Water) | 2.4 GHz | 2.7 GHz | |
Overclocked clock speed (Air) | 2.51 GHz | 2.94 GHz | |
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 | |||
DDR3-1600 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
DDR | |||
Channels | Quad Channel | Quad Channel | |
Supports ECC | Yes | Yes | |
Maximum bandwidth | 25,600 MB/s | 51,200 MB/s | |
Maximum memory size | 4,194,304 MB | 393,216 MB |
Intel Xeon E7-8870 ![]() | Intel Xeon E5-4650 ![]() |
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