Intel Xeon E5420 vs Core2 Quad Q6600 |
Released November, 2007
Intel Xeon E5420
- 2.5 GHz
- Quad core
5.2 Out of 10
Reasons to buy the Intel Xeon E5420
 | Much more l2 cache 12 MB | | Much newer manufacturing process 45 nm |
| | Much better performance per dollar 4.08 pt/$ | | Much more l2 cache per core 3 MB/core |
VS
Released January, 2007
Intel Core2 Quad Q6600
- 2.4 GHz
- Quad core
5.2 Out of 10
Reasons to buy the Core2 Quad Q6600
| | Slightly better overclocked clock speed (Air) 3.52 GHz |
by Tech Radar (Aug, 2007)In real terms, quad-threaded applications are thin on the ground and will be until at least this winter.
CPUBoss Review Our evaluation of E5420 vs Q6600 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 | |
No winner declared
Too close to call
Cast your vote Do you agree or disagree with CPUBoss?
VS
Intel Xeon E5420CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| 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 | |||
|---|---|---|---|---|---|---|---|
| Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much better performance per dollar | 4.08 pt/$ | vs | 1.42 pt/$ | More than 2.8x better performance per dollar | |||
| Much more l2 cache per core | 3 MB/core | vs | 2 MB/core | 50% more l2 cache per core | |||
| Significantly better geekbench 3 AES single core score | 106,200 MB/s | vs | 102,800 MB/s | Around 5% better geekbench 3 AES single core score | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Lower typical power consumption | 65W | vs | 85.31W | Around 25% lower typical power consumption | |||
| Higher Maximum operating temperature | 67 °C | vs | 62.2 °C | Around 10% higher Maximum operating temperature | |||
| Newer | Nov, 2007 | vs | Jan, 2007 | Release date 10 months later | |||
| Lower annual commercial energy cost | 70.08 $/year | vs | 91.98 $/year | Around 25% lower annual commercial energy cost | |||
| Lower annual home energy cost | 19.27 $/year | vs | 25.29 $/year | Around 25% lower annual home energy cost | |||
| |||||||
| Slightly better overclocked clock speed (Air) | 3.52 GHz | vs | 3.17 GHz | More than 10% better overclocked clock speed (Air) | |||
Report a correction
Benchmarks Real world tests of Xeon E5420 vs Core2 Quad Q6600
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E5420 | vs | Core2 Quad Q6600 |
|---|---|---|---|
| Clock speed | 2.5 GHz | 2.4 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 771 | |||
| LGA 775 | |||
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 | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 80W | 105W | |
| Annual home energy cost | 19.27 $/year | 25.29 $/year | |
| Annual commercial energy cost | 70.08 $/year | 91.98 $/year | |
| Performance per watt | 1.78 pt/W | 1.19 pt/W | |
| Typical power consumption | 65W | 85.31W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 1,333 MHz | 1,066 MHz | |
details | Xeon E5420 | vs | Core2 Quad Q6600 |
|---|---|---|---|
| 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 | 1 | |
| Clock multiplier | 7 | 9 | |
| Voltage range | 0.85 - 1.35V | 0.85 - 1.5V | |
| Operating temperature | Unknown - 67°C | Unknown - 62.2°C | |
overclocking | |||
| Overclocked clock speed | 3.17 GHz | 3.52 GHz | |
| Overclocked clock speed (Water) | 3.9 GHz | 3.6 GHz | |
| Overclocked clock speed (Air) | 3.17 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 | |
 Intel Xeon E5420  Report a correction |  Intel Core2 Quad Q6600 Report a correction |
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