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| Intel Xeon E7520 vs E5-2603 v3 |
Released March, 2010
Intel Xeon E7520
- 1.87 GHz
- Quad core
Reasons to buy the Intel Xeon E7520
![]() | Significantly higher clock speed 1.87 GHz | ![]() | Significantly more l3 cache 18 MB |
![]() | Much more l3 cache per core 4.5 MB/core | ![]() | More threads 8 |
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Released July, 2014
Intel Xeon E5-2603 v3
- 1.6 GHz
- Hexa core
Reasons to buy the E5-2603 v3
![]() | More cores 6 | ![]() | Newer manufacturing process 22 nm |
![]() | Lower typical power consumption 69.06W | ![]() | Newer Jul, 2014 |
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Differences What are the advantages of each
| |||||||
Significantly higher clock speed | 1.87 GHz | vs | 1.6 GHz | More than 15% higher clock speed | |||
---|---|---|---|---|---|---|---|
Significantly more l3 cache | 18 MB | vs | 15 MB | 20% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
Much more l3 cache per core | 4.5 MB/core | vs | 2.5 MB/core | 80% more l3 cache per core | |||
More threads | 8 | vs | 6 | 2 more threads | |||
Supports more CPUs in SMP configuration | 4 | vs | 2 | Twice as many CPUs in SMP configuration | |||
Better overclocked clock speed (Air) | 1.87 GHz | vs | 1.68 GHz | More than 10% better overclocked clock speed (Air) | |||
Significantly better overclocked clock speed (Water) | 1.87 GHz | vs | 1.6 GHz | More than 15% better overclocked clock speed (Water) | |||
| |||||||
More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
Newer manufacturing process | 22 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Lower typical power consumption | 69.06W | vs | 77.19W | More than 10% lower typical power consumption | |||
Newer | Jul, 2014 | vs | Mar, 2010 | Release date over 4 years later | |||
Lower annual commercial energy cost | 74.46 $/year | vs | 83.22 $/year | More than 10% lower annual commercial energy cost | |||
Lower annual home energy cost | 20.48 $/year | vs | 22.89 $/year | More than 10% lower annual home energy cost |
Features Key features of the Xeon E7520 vs E5-2603 v3
clock speed
Xeon E7520
1.87 GHz
Xeon E5-2603 v3
1.6 GHz
L3 cache
Xeon E7520
18 MB
Xeon E5-2603 v3
15 MB
overclocked clock speed (air)
Xeon E7520
1.87 GHz
Xeon E5-2603 v3
1.68 GHz
overclocked clock speed (water)
Xeon E7520
1.87 GHz
Xeon E5-2603 v3
1.6 GHz
TDP
Xeon E7520
95W
Xeon E5-2603 v3
85W
Specifications Full list of technical specs
summary | Xeon E7520 | vs | E5-2603 v3 |
---|---|---|---|
Clock speed | 1.87 GHz | 1.6 GHz | |
Cores | Quad core | Hexa core | |
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
AVX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
AVX 2.0 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 95W | 85W | |
Annual home energy cost | 22.89 $/year | 20.48 $/year | |
Annual commercial energy cost | 83.22 $/year | 74.46 $/year | |
Typical power consumption | 77.19W | 69.06W |
details | Xeon E7520 | vs | E5-2603 v3 |
---|---|---|---|
Threads | 8 | 6 | |
L3 cache | 18 MB | 15 MB | |
L3 cache per core | 4.5 MB/core | 2.5 MB/core | |
Manufacture process | 45 nm | 22 nm | |
Max CPUs | 4 | 2 | |
Operating temperature | Unknown - 70°C | Unknown - 72.8°C | |
overclocking | |||
Overclocked clock speed | 1.87 GHz | 1.68 GHz | |
Overclocked clock speed (Water) | 1.87 GHz | 1.6 GHz | |
Overclocked clock speed (Air) | 1.87 GHz | 1.68 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 | |
bus | |||
Architecture | QPI | QPI | |
Number of links | 4 | 2 | |
Data rate | 76,800 MB/s | 51,200 MB/s | |
Transfer rate | 4,800 MT/s | 6,400 MT/s | |
Clock speed | 2,400 MHz | 3,200 MHz |
Intel Xeon E7520 ![]() | Intel Xeon E5-2603 v3 ![]() |
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