Winner
Intel Xeon D-1520
CPUBoss recommends the Intel Xeon D-1520 based on its single-core performance and value.
See full details Intel Xeon D-1540 vs D-1520 |
Released March, 2015
Intel Xeon D-1540
- 2 GHz
- Octa core
5.3 Out of 10
Reasons to buy the Intel Xeon D-1540
 | Much more l3 cache 12 MB | | Much more l2 cache 2 MB |
| | More cores 8 | | More threads 16 |
VS
Released March, 2015
Intel Xeon D-1520
- 2.2 GHz
- Quad core
5.4 Out of 10
Reasons to buy the D-1520
| | Significantly higher clock speed 2.2 GHz | | Much better PassMark (Single core) score 1,398 |
| | Much better performance per watt 4.65 pt/W | | Much better performance per dollar 1.05 pt/$ |
CPUBoss Review Our evaluation of D-1540 vs D-1520 among all CPUs
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 | |
| 5.4 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
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| |  | Intel Xeon D-1520CPUBoss Winner |
Differences What are the advantages of each
| |||||||
| Much more l3 cache | 12 MB | vs | 6 MB | 2x more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| More cores | 8 | vs | 4 | Twice as many cores; run more applications at once | |||
| More threads | 16 | vs | 8 | Twice as many threads | |||
| Much better PassMark score | 10,573 | vs | 6,396 | More than 65% better PassMark score | |||
| |||||||
| Significantly higher clock speed | 2.2 GHz | vs | 2 GHz | More than 10% higher clock speed | |||
| Much better PassMark (Single core) score | 1,398 | vs | 1,344 | Around 5% better PassMark (Single core) score | |||
| Much better performance per watt | 4.65 pt/W | vs | 3.64 pt/W | Around 30% better performance per watt | |||
| Much better performance per dollar | 1.05 pt/$ | vs | 0.28 pt/$ | Around 3.8x better performance per dollar | |||
| Significantly better overclocked clock speed (Air) | 2.2 GHz | vs | 2 GHz | More than 10% better overclocked clock speed (Air) | |||
| Significantly better overclocked clock speed (Water) | 2.2 GHz | vs | 2 GHz | More than 10% better overclocked clock speed (Water) | |||
Report a correction
Benchmarks Real world tests of Xeon D-1540 vs D-1520
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon D-1540 | vs | D-1520 |
|---|---|---|---|
| Clock speed | 2 GHz | 2.2 GHz | |
| Turbo clock speed | 2.6 GHz | 2.6 GHz | |
| Cores | Octa core | Quad core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| AES | |||
| AVX | |||
| AVX 2.0 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 45W | 45W | |
| Annual home energy cost | 10.84 $/year | 10.84 $/year | |
| Annual commercial energy cost | 39.42 $/year | 39.42 $/year | |
| Performance per watt | 3.64 pt/W | 4.65 pt/W | |
| Typical power consumption | 36.56W | 36.56W | |
bus | |||
| Architecture | DMI 2.0 | DMI 2.0 | |
| Number of links | 1 | 1 | |
details | Xeon D-1540 | vs | D-1520 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 16 | 8 | |
| L2 cache | 2 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 12 MB | 6 MB | |
| L3 cache per core | 1.5 MB/core | 1.5 MB/core | |
| Manufacture process | 14 nm | 14 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 80°C | Unknown - 80°C | |
overclocking | |||
| Overclocked clock speed | 2 GHz | 2.2 GHz | |
| Overclocked clock speed (Water) | 2 GHz | 2.2 GHz | |
| Overclocked clock speed (Air) | 2 GHz | 2.2 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 | |
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | Yes | Yes | |
| Maximum memory size | 131,072 MB | 131,072 MB | |
 Intel Xeon D-1540  Report a correction |  Intel Xeon D-1520 Report a correction |
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