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| Intel Xeon L5420 vs E5335 |
Released March, 2008
Intel Xeon L5420
- 2.5 GHz
- Quad core
Reasons to buy the Intel Xeon L5420
![]() | Much more l2 cache 12 MB | ![]() | Much higher clock speed 2.5 GHz |
![]() | Much better overclocked clock speed (Air) 3.67 GHz | ![]() | Much more l2 cache per core 3 MB/core |
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Differences What are the advantages of each
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Much more l2 cache | 12 MB | vs | 8 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
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Much higher clock speed | 2.5 GHz | vs | 2 GHz | 25% higher clock speed | |||
Much better overclocked clock speed (Air) | 3.67 GHz | vs | 2.23 GHz | Around 65% better overclocked clock speed (Air) | |||
Much more l2 cache per core | 3 MB/core | vs | 2 MB/core | 50% more l2 cache per core | |||
Newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Significantly lower typical power consumption | 40.63W | vs | 65W | Around 40% lower typical power consumption | |||
Much better overclocked clock speed (Water) | 3.85 GHz | vs | 2 GHz | Around 95% better overclocked clock speed (Water) | |||
Significantly lower annual commercial energy cost | 43.8 $/year | vs | 70.08 $/year | Around 40% lower annual commercial energy cost | |||
Significantly lower annual home energy cost | 12.04 $/year | vs | 19.27 $/year | More than 35% lower annual home energy cost | |||
Newer | Mar, 2008 | vs | Jan, 2007 | Release date over 1 years later | |||
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CPUBoss is not aware of any important advantages of the E5335 vs the L5420. | |||||||
Benchmarks Real world tests of Xeon L5420 vs E5335
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon L5420
4,968
Xeon E5335
3,838
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon L5420
1,380
Xeon E5335
1,099
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon L5420
107,200 MB/s
Xeon E5335
85,100 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon L5420
4,473
Xeon E5335
3,585
GeekBench
Xeon L5420
5,037
Xeon E5335
3,585
PassMark Data courtesy Passmark
Xeon L5420
3,506
Xeon E5335
2,513
PassMark (Single Core)
Xeon L5420
1,043
Xeon E5335
785
Specifications Full list of technical specs
summary | Xeon L5420 | vs | E5335 |
---|---|---|---|
Clock speed | 2.5 GHz | 2 GHz | |
Cores | Quad core | Quad core | |
Socket type | |||
LGA 771 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | No | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 50W | 80W | |
Annual home energy cost | 12.04 $/year | 19.27 $/year | |
Annual commercial energy cost | 43.8 $/year | 70.08 $/year | |
Performance per watt | 2.75 pt/W | 1.32 pt/W | |
Typical power consumption | 40.63W | 65W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 1,333 MHz | 1,333 MHz |
details | Xeon L5420 | vs | E5335 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 4 | |
L2 cache | 12 MB | 8 MB | |
L2 cache per core | 3 MB/core | 2 MB/core | |
Manufacture process | 45 nm | 65 nm | |
Transistor count | 820,000,000 | 582,000,000 | |
Max CPUs | 2 | 2 | |
Clock multiplier | 7 | 6 | |
Voltage range | 0.85 - 1.35V | 1 - 1.5V | |
Operating temperature | Unknown - 57°C | Unknown - 66°C | |
overclocking | |||
Overclocked clock speed | 3.67 GHz | 2.23 GHz | |
Overclocked clock speed (Water) | 3.85 GHz | 2 GHz | |
Overclocked clock speed (Air) | 3.67 GHz | 2.23 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 |
Intel Xeon L5420 ![]() | Intel Xeon E5335 ![]() |
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