Intel Core i7 3770K vs AMD Opteron 3280 |
Released April, 2012
Intel Core i7 3770K
- 3.5 GHz
- Quad core
- Unlocked
Reasons to buy the Intel Core i7 3770K
 | Is unlocked Yes | | Significantly higher clock speed 3.5 GHz |
| | Has a built-in GPU Yes | | Higher turbo clock speed 3.9 GHz |
VS
Released March, 2012
AMD Opteron 3280
- 2.4 GHz
- Octa core
Reasons to buy the AMD Opteron 3280
| | Much more l2 cache 8 MB | | Much lower typical power consumption 52.81W |
| | Much more l2 cache per core 1 MB/core | | More cores 8 |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
|---|---|---|---|---|---|---|---|
| Significantly higher clock speed | 3.5 GHz | vs | 2.4 GHz | More than 45% higher clock speed | |||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
| Higher turbo clock speed | 3.9 GHz | vs | 3.4 GHz | Around 15% higher turbo clock speed | |||
| Significantly newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much better PassMark (Single core) score | 2,084 | vs | 875 | Around 2.5x better PassMark (Single core) score | |||
| Much better overclocked clock speed (Air) | 4.69 GHz | vs | 2.87 GHz | Around 65% better overclocked clock speed (Air) | |||
| Significantly more l3 cache per core | 2 MB/core | vs | 1 MB/core | 2x more l3 cache per core | |||
| Better PassMark score | 9,544 | vs | 5,330 | Around 80% better PassMark score | |||
| Much better overclocked clock speed (Water) | 4.8 GHz | vs | 2.4 GHz | More than 2x better overclocked clock speed (Water) | |||
| Higher Maximum operating temperature | 67.4 °C | vs | 61.1 °C | More than 10% higher Maximum operating temperature | |||
| |||||||
| Much more l2 cache | 8 MB | vs | 1 MB | 8x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Much lower typical power consumption | 52.81W | vs | 114.97W | 2.2x lower typical power consumption | |||
| Much more l2 cache per core | 1 MB/core | vs | 0.25 MB/core | 4x more l2 cache per core | |||
| More cores | 8 | vs | 4 | Twice as many cores; run more applications at once | |||
| Much better performance per watt | 10.33 pt/W | vs | 4.55 pt/W | More than 2.2x better performance per watt | |||
| Much lower annual home energy cost | 15.66 $/year | vs | 42.19 $/year | 2.7x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 56.94 $/year | vs | 112.39 $/year | Around 50% lower annual commercial energy cost | |||
Report a correction
Benchmarks Real world tests of Core i7 3770K vs Opteron 3280
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core i7 3770K | vs | Opteron 3280 |
|---|---|---|---|
| Clock speed | 3.5 GHz | 2.4 GHz | |
| Turbo clock speed | 3.9 GHz | 3.4 GHz | |
| Cores | Quad core | Octa core | |
| Socket type | |||
| LGA 1155 | |||
| AM3+ | |||
| Is unlocked | Yes | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
power consumption | |||
| TDP | 77W | 65W | |
| Annual home energy cost | 42.19 $/year | 15.66 $/year | |
| Annual commercial energy cost | 112.39 $/year | 56.94 $/year | |
| Performance per watt | 4.55 pt/W | 10.33 pt/W | |
| Typical power consumption | 114.97W | 52.81W | |
bus | |||
| Architecture | DMI | HyperTransport 3.0 | |
details | Core i7 3770K | vs | Opteron 3280 |
|---|---|---|---|
| Threads | 8 | 8 | |
| L2 cache | 1 MB | 8 MB | |
| L2 cache per core | 0.25 MB/core | 1 MB/core | |
| L3 cache | 8 MB | 8 MB | |
| L3 cache per core | 2 MB/core | 1 MB/core | |
| Manufacture process | 22 nm | 32 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 35 | 12 | |
| Operating temperature | Unknown - 67.4°C | Unknown - 61.1°C | |
overclocking | |||
| Overclocked clock speed | 4.69 GHz | 2.87 GHz | |
| Overclocked clock speed (Water) | 4.8 GHz | 2.4 GHz | |
| Overclocked clock speed (Air) | 4.69 GHz | 2.87 GHz | |
integrated graphics | |||
| GPU | GPU | None | |
| Label | Intel® HD Graphics 4000 | N/A | |
| Latest DirectX | 11.x | N/A | |
| Number of displays supported | 3 | N/A | |
| GPU clock speed | 650 MHz | N/A | |
| Turbo clock speed | 1,150 MHz | N/A | |
| 3DMark06 | 5,339.9 | N/A | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3 | |||
 Intel Core i7 3770K  Report a correction |  AMD Opteron 3280 Report a correction |
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