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| 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 |
Benchmarks Real world tests of Core i7 3770K vs Opteron 3280
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core i7 3770K
13,098
Opteron 3280
2,986
GeekBench 3 (Single core) Data courtesy Primate Labs
Core i7 3770K
3,304
Opteron 3280
900
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core i7 3770K
2,620,000 MB/s
Opteron 3280
1,710,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core i7 3770K
13,703
Opteron 3280
7,233
GeekBench
Core i7 3770K
17,972
Opteron 3280
7,233
PassMark Data courtesy Passmark
Core i7 3770K
9,544
Opteron 3280
5,330
PassMark (Single Core)
Core i7 3770K
2,084
Opteron 3280
875
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 ![]() | AMD Opteron 3280 ![]() |
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