Winner
Intel Xeon E3-1270
CPUBoss recommends the Intel Xeon E3-1270 based on its performance, single-core performance and value.
See full details | Intel Xeon E5520 vs E3-1270 |
![]() | Supports more RAM 147,456 MB | ![]() | Supports more CPUs in SMP configuration 2 |
![]() | Much better overclocked clock speed (Water) 4.27 GHz |
![]() | Much higher clock speed 3.4 GHz | ![]() | Much higher turbo clock speed 3.8 GHz |
![]() | Much better PassMark score 9,832 | ![]() | Much better PassMark (Single core) score 2,222 |
Performance | |
Benchmark performance using all cores | |
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more |
Single-core Performance | |
Individual core benchmark performance | |
PassMark (Single Core), Geekbench 3 Single Core and 1 more |
Integrated Graphics | |
Integrated GPU performance for graphics | |
Sky Diver and Cloud Gate |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
CompuBench 1.5 Bitcoin mining and 4 more |
Performance per Watt | |
How efficiently does the processor use electricity? | |
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more |
Value | |
Are you paying a premium for performance? | |
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more |
5.2 | CPUBoss Score |
Combination of all six facets | |
Winner |
| |||||||
Supports more RAM | 147,456 MB | vs | 32,768 MB | Supports 4.5x more RAM | |||
---|---|---|---|---|---|---|---|
Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
Much better overclocked clock speed (Water) | 4.27 GHz | vs | 3.8 GHz | More than 10% better overclocked clock speed (Water) | |||
| |||||||
Much higher clock speed | 3.4 GHz | vs | 2.26 GHz | More than 50% higher clock speed | |||
Much higher turbo clock speed | 3.8 GHz | vs | 2.53 GHz | More than 50% higher turbo clock speed | |||
Much better PassMark score | 9,832 | vs | 4,453 | Around 2.2x better PassMark score | |||
Much better PassMark (Single core) score | 2,222 | vs | 1,024 | Around 2.2x better PassMark (Single core) score | |||
Much better performance per watt | 10.9 pt/W | vs | 2.4 pt/W | More than 4.5x better performance per watt | |||
Much better performance per dollar | 2.6 pt/$ | vs | 0.49 pt/$ | More than 5.2x better performance per dollar | |||
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
Newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Significantly better overclocked clock speed (Air) | 3.52 GHz | vs | 3.28 GHz | More than 5% better overclocked clock speed (Air) | |||
Newer | Apr, 2011 | vs | Mar, 2009 | Release date over 2 years later |
summary | Xeon E5520 | vs | E3-1270 |
---|---|---|---|
Clock speed | 2.26 GHz | 3.4 GHz | |
Turbo clock speed | 2.53 GHz | 3.8 GHz | |
Cores | Quad core | Quad core | |
Socket type | |||
LGA 1366 | |||
LGA 1155 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | 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 | 80W | 80W | |
Annual home energy cost | 19.27 $/year | 19.27 $/year | |
Annual commercial energy cost | 70.08 $/year | 70.08 $/year | |
Performance per watt | 2.4 pt/W | 10.9 pt/W | |
Typical power consumption | 65W | 65W | |
bus | |||
Architecture | QPI | DMI | |
Number of links | 2 | 1 | |
Transfer rate | 5,860 MT/s | 5,000 MT/s |
details | Xeon E5520 | vs | E3-1270 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 8 | 8 | |
L2 cache | 1 MB | 1 MB | |
L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
L3 cache | 8 MB | 8 MB | |
L3 cache per core | 2 MB/core | 2 MB/core | |
Manufacture process | 45 nm | 32 nm | |
Max CPUs | 2 | 1 | |
Clock multiplier | 17 | 34 | |
Operating temperature | Unknown - 72°C | Unknown - 69.1°C | |
overclocking | |||
Overclocked clock speed | 3.28 GHz | 3.52 GHz | |
Overclocked clock speed (Water) | 4.27 GHz | 3.8 GHz | |
Overclocked clock speed (Air) | 3.28 GHz | 3.52 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 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
Channels | Triple Channel | Dual Channel | |
Supports ECC | Yes | Yes | |
Maximum bandwidth | 25,599.99 MB/s | 21,333.32 MB/s | |
Maximum memory size | 147,456 MB | 32,768 MB |
Intel Xeon E5520 ![]() | Intel Xeon E3-1270 ![]() |
![]() | VS | ![]() |
$336 | $240 | |
E3-1270 vs 3770 | ||
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$336 | $305 | |
E3-1270 vs 2600 | ||
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$336 | $225 | |
E3-1270 vs E3-1230 v2 | ||
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$336 | $355 | |
E3-1270 vs E3-1270 v2 | ||
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$391 | $520 | |
E5520 vs X5650 | ||
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$391 | $264 | |
E5520 vs 3770K | ||
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$391 | $279 | |
E5520 vs E5620 | ||
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$305 | $300 | |
W3520 vs 2500 | ||
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$272 | $350 | |
4790K vs 6700K | ||
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$281 | ||
4200U vs 6410 | ||
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$281 | ||
6200U vs 7th Gen A9-9410 | ||
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$275 | $161 | |
4005U vs N3540 | ||
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$134 | $225 | |
847 vs 3217U | ||
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$180 | ||
3470 vs 5200 | ||