Winner
Intel Xeon X5650
CPUBoss recommends the Intel Xeon X5650 based on its performance, single-core performance and cost to run.
See full details Intel Xeon X5650 vs AMD Opteron 8439 SE |
Released March, 2010
Intel Xeon X5650
- 2.66 GHz
- Hexa core
5.3 Out of 10
Reasons to buy the Intel Xeon X5650
 | Much more l3 cache 12 MB | | Much better PassMark score 7,510 |
| | Much better performance per watt 7.89 pt/W | | Much higher Maximum operating temperature 81.3 °C |
VS
Released July, 2009
AMD Opteron 8439 SE
- 2.8 GHz
- Hexa core
5.1 Out of 10
Reasons to buy the AMD Opteron 8439 SE
| | Much more l2 cache 3 MB | | Higher clock speed 2.8 GHz |
| | Supports more CPUs in SMP configuration 8 | | Significantly more l2 cache per core 0.5 MB/core |
CPUBoss Review Our evaluation of X5650 vs 8439 SE 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 | |
| 5.3 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
VS
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 better PassMark score | 7,510 | vs | 3,813 | More than 95% better PassMark score | |||
| Much better performance per watt | 7.89 pt/W | vs | 2.23 pt/W | More than 3.5x better performance per watt | |||
| Much higher Maximum operating temperature | 81.3 °C | vs | 55 °C | Around 50% higher Maximum operating temperature | |||
| More threads | 12 | vs | 6 | Twice as many threads | |||
| Much better overclocked clock speed (Air) | 3.84 GHz | vs | 3.1 GHz | Around 25% better overclocked clock speed (Air) | |||
| Newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much more l3 cache per core | 2 MB/core | vs | 1 MB/core | 2x more l3 cache per core | |||
| Much better overclocked clock speed (Water) | 4.64 GHz | vs | 2.8 GHz | More than 65% better overclocked clock speed (Water) | |||
| Lower typical power consumption | 77.19W | vs | 85.31W | Around 10% lower typical power consumption | |||
| Lower annual commercial energy cost | 83.22 $/year | vs | 91.98 $/year | Around 10% lower annual commercial energy cost | |||
| Lower annual home energy cost | 22.89 $/year | vs | 25.29 $/year | Around 10% lower annual home energy cost | |||
| Newer | Mar, 2010 | vs | Jul, 2009 | Release date 8 months later | |||
| |||||||
| Much more l2 cache | 3 MB | vs | 2 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Higher clock speed | 2.8 GHz | vs | 2.66 GHz | More than 5% higher clock speed | |||
| Supports more CPUs in SMP configuration | 8 | vs | 2 | 6 supports more CPUs in SMP configuration | |||
| Significantly more l2 cache per core | 0.5 MB/core | vs | 0.33 MB/core | More than 50% more l2 cache per core | |||
Report a correction
Benchmarks Real world tests of Xeon X5650 vs Opteron 8439 SE
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon X5650 | vs | Opteron 8439 SE |
|---|---|---|---|
| Clock speed | 2.66 GHz | 2.8 GHz | |
| Cores | Hexa core | Hexa core | |
| Socket type | |||
| LGA 1366 | |||
| F | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| 3DNow! | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 105W | |
| Annual home energy cost | 22.89 $/year | 25.29 $/year | |
| Annual commercial energy cost | 83.22 $/year | 91.98 $/year | |
| Performance per watt | 7.89 pt/W | 2.23 pt/W | |
| Typical power consumption | 77.19W | 85.31W | |
bus | |||
| Architecture | QPI | HyperTransport 3.0 | |
| Clock speed | 3,200 MHz | 2,200 MHz | |
details | Xeon X5650 | vs | Opteron 8439 SE |
|---|---|---|---|
| Threads | 12 | 6 | |
| L2 cache | 2 MB | 3 MB | |
| L2 cache per core | 0.33 MB/core | 0.5 MB/core | |
| L3 cache | 12 MB | 6 MB | |
| L3 cache per core | 2 MB/core | 1 MB/core | |
| Manufacture process | 32 nm | 45 nm | |
| Max CPUs | 2 | 8 | |
| Clock multiplier | 20 | 14 | |
| Voltage range | 0.75 - 1.35V | 1 - UnknownV | |
| Operating temperature | Unknown - 81.3°C | 0 - 55°C | |
overclocking | |||
| Overclocked clock speed | 3.84 GHz | 3.1 GHz | |
| Overclocked clock speed (Water) | 4.64 GHz | 2.8 GHz | |
| Overclocked clock speed (Air) | 3.84 GHz | 3.1 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 X5650  Report a correction |  AMD Opteron 8439 SE Report a correction |
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