Thanks to high clock rates and high performance per clock, Sandy Bridge-E delivers the best performance in our efficiency run's single-threaded workloads. Presumably, this is attributable to the 100 MHz Turbo Boost advantage the Core i7-3960X holds over second-place Core i7-2600K.
Average power across the single-threaded benchmarks is higher than on other Sandy Bridge processors, making it appear as though the -3960X's other five cores aren't necessarily being switched off during single-threaded operations. Moreover, there's a lot more shared L3 cache that remains in use compared to Sandy Bridge. Still, the 109 W average power use is very slightly lower than Sandy Bridge-E's predecessor and clearly lower compared to AMD’s six-core and eight-core CPUs.
Great performance and acceptable power requirements pay off, as the total power required to complete the single-threaded benchmarks of our efficiency run is lower than on any other system with six or more cores.
- Sandy Bridge-E: Could The -E Stand For Efficiency?
- Hardware: Core i7-3960X, Intel DX79SI, Radeon HD 6850
- Test Setup And Benchmarks
- Benchmark Results: Archiving And Professional Applications
- Benchmark Results: Matlab
- Benchmark Results: Audio/Video
- Benchmark Results: Idle And Peak Power
- Benchmark Results: Single-Threaded Efficiency Run
- Benchmark Results: Multi-Threaded Efficiency Run
- Benchmark Results: Combined Efficiency Run
- Efficiency Score And Power Diagram
- Is Core i7-3960X An Efficiency Winner?