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| Intel Xeon L5640 vs L5639 |
Released March, 2010
Intel Xeon L5640
- 2.26 GHz
- Hexa core
Reasons to buy the Intel Xeon L5640
![]() | Higher clock speed 2.26 GHz | ![]() | Much better overclocked clock speed (Air) 3.9 GHz |
![]() | Better overclocked clock speed (Water) 2.27 GHz |
VS
First seen on January, 2013
Intel Xeon L5639
- 2.13 GHz
- Hexa core
Reasons to buy the L5639
![]() | Much better performance per dollar 2.23 pt/$ |
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Differences What are the advantages of each
| |||||||
Higher clock speed | 2.26 GHz | vs | 2.13 GHz | More than 5% higher clock speed | |||
---|---|---|---|---|---|---|---|
Much better overclocked clock speed (Air) | 3.9 GHz | vs | 3.46 GHz | Around 15% better overclocked clock speed (Air) | |||
Better overclocked clock speed (Water) | 2.27 GHz | vs | 2.13 GHz | More than 5% better overclocked clock speed (Water) | |||
| |||||||
Much better performance per dollar | 2.23 pt/$ | vs | 0.63 pt/$ | More than 3.5x better performance per dollar |
Benchmarks Real world tests of Xeon L5640 vs L5639
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon L5640
16,852
Xeon L5639
14,645
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon L5640
1,918
Xeon L5639
2,085
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon L5640
1,250,000 MB/s
Xeon L5639
1,390,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon L5640
11,047
Xeon L5639
9,881
GeekBench
Xeon L5640
11,047
Xeon L5639
13,956
PassMark Data courtesy Passmark
Xeon L5640
6,451
Xeon L5639
7,021
PassMark (Single Core)
Xeon L5640
1,100
Xeon L5639
1,125
Specifications Full list of technical specs
summary | Xeon L5640 | vs | L5639 |
---|---|---|---|
Clock speed | 2.26 GHz | 2.13 GHz | |
Cores | Hexa core | Hexa core | |
Socket type | |||
LGA 1366 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE4 | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
Supports dynamic frequency scaling | Yes | Yes | |
bus | |||
Architecture | QPI | QPI | |
Number of links | 2 | 2 | |
Data rate | 46,928 MB/s | 46,928 MB/s | |
Transfer rate | 5,860 MT/s | 5,860 MT/s | |
Clock speed | 2,930 MHz | 2,933 MHz |
details | Xeon L5640 | vs | L5639 |
---|---|---|---|
Threads | 12 | 12 | |
L2 cache | 2 MB | 2 MB | |
L2 cache per core | 0.33 MB/core | 0.33 MB/core | |
L3 cache | 12 MB | 12 MB | |
L3 cache per core | 2 MB/core | 2 MB/core | |
Manufacture process | 32 nm | 32 nm | |
Max CPUs | 2 | 2 | |
overclocking | |||
Overclocked clock speed | 3.9 GHz | 3.46 GHz | |
Overclocked clock speed (Water) | 2.27 GHz | 2.13 GHz | |
Overclocked clock speed (Air) | 3.9 GHz | 3.46 GHz | |
power consumption | |||
TDP | 60W | 60W | |
Annual home energy cost | 14.45 $/year | 14.45 $/year | |
Annual commercial energy cost | 52.56 $/year | 52.56 $/year | |
Performance per watt | 10.46 pt/W | 11.16 pt/W | |
Typical power consumption | 48.75W | 48.75W |
Intel Xeon L5640 ![]() | Intel Xeon L5639 ![]() |
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