Winner
Intel Core i7 3770K
CPUBoss recommends the Intel Core i7 3770K based on its performance, single-core performance and value.
See full details | Intel Xeon L5520 vs Core i7 3770K |
![]() | Much lower typical power consumption 48.75W | ![]() | Supports more CPUs in SMP configuration 2 |
![]() | Much lower annual home energy cost 14.45 $/year | ![]() | Much lower annual commercial energy cost 52.56 $/year |
![]() | Much higher clock speed 3.5 GHz | ![]() | Much higher turbo clock speed 3.9 GHz |
![]() | Much newer manufacturing process 22 nm | ![]() | Much better performance per dollar 2.21 pt/$ |
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 |
8.6 | CPUBoss Score |
Combination of all six facets | |
Winner |
| |||||||
Much lower typical power consumption | 48.75W | vs | 114.97W | 2.4x lower typical power consumption | |||
---|---|---|---|---|---|---|---|
Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
Much lower annual home energy cost | 14.45 $/year | vs | 42.19 $/year | 2.9x lower annual home energy cost | |||
Much lower annual commercial energy cost | 52.56 $/year | vs | 112.39 $/year | 2.1x lower annual commercial energy cost | |||
Supports more RAM | 147,456 MB | vs | 32,768 MB | Supports 4.5x more RAM | |||
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Much higher clock speed | 3.5 GHz | vs | 2.26 GHz | Around 55% higher clock speed | |||
Much higher turbo clock speed | 3.9 GHz | vs | 2.48 GHz | More than 55% higher turbo clock speed | |||
Much newer manufacturing process | 22 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much better performance per dollar | 2.21 pt/$ | vs | 0.29 pt/$ | Around 7.8x better performance per dollar | |||
Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
Much better PassMark (Single core) score | 2,084 | vs | 1,034 | More than 2x better PassMark (Single core) score | |||
Significantly better PassMark score | 9,544 | vs | 4,387 | Around 2.2x better PassMark score | |||
Significantly better overclocked clock speed (Air) | 4.69 GHz | vs | 3.42 GHz | More than 35% better overclocked clock speed (Air) | |||
Newer | Apr, 2012 | vs | Mar, 2009 | Release date over 3 years later | |||
Better performance per watt | 4.55 pt/W | vs | 2.66 pt/W | More than 70% better performance per watt | |||
Better overclocked clock speed (Water) | 4.8 GHz | vs | 4.08 GHz | Around 20% better overclocked clock speed (Water) |
summary | Xeon L5520 | vs | Core i7 3770K |
---|---|---|---|
Clock speed | 2.26 GHz | 3.5 GHz | |
Turbo clock speed | 2.48 GHz | 3.9 GHz | |
Cores | Quad core | Quad core | |
Socket type | |||
LGA 1366 | |||
LGA 1155 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | No | |
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 | 60W | 77W | |
Annual home energy cost | 14.45 $/year | 42.19 $/year | |
Annual commercial energy cost | 52.56 $/year | 112.39 $/year | |
Performance per watt | 2.66 pt/W | 4.55 pt/W | |
Typical power consumption | 48.75W | 114.97W | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1600 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
Channels | Triple Channel | Dual Channel | |
Supports ECC | Yes | No | |
Maximum bandwidth | 25,599.99 MB/s | 25,600 MB/s | |
Maximum memory size | 147,456 MB | 32,768 MB |
details | Xeon L5520 | vs | Core i7 3770K |
---|---|---|---|
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 | 22 nm | |
Transistor count | 731,000,000 | 1,400,000,000 | |
Max CPUs | 2 | 1 | |
Clock multiplier | 17 | 35 | |
Voltage range | 0.75 - 1.35V | 1.33 - 1.36V | |
Operating temperature | Unknown - 70°C | Unknown - 67.4°C | |
overclocking | |||
Overclocked clock speed | 3.42 GHz | 4.69 GHz | |
Overclocked clock speed (Water) | 4.08 GHz | 4.8 GHz | |
Overclocked clock speed (Air) | 3.42 GHz | 4.69 GHz | |
integrated graphics | |||
GPU | None | GPU | |
Label | N/A | Intel® HD Graphics 4000 | |
Latest DirectX | N/A | 11.x | |
Number of displays supported | N/A | 3 | |
GPU clock speed | N/A | 650 MHz | |
Turbo clock speed | N/A | 1,150 MHz | |
3DMark06 | N/A | 5,339.9 | |
bus | |||
Architecture | QPI | DMI | |
Number of links | 2 | 1 | |
Transfer rate | 5,860 MT/s | 5,000 MT/s |
Intel Xeon L5520 ![]() | Intel Core i7 3770K ![]() |
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