Both Nvidia's Kepler and AMD's Graphics Core Next architectures are now known for excellent performance-per-watt. So, let's see how the new GeForce cards stack up:
The GeForce GTX 650 achieves a spectacular result, consuming less power than Afox's GeForce GT 640! We won't be surprised if a manufacturer creates a GeForce GTX 650 without any auxiliary connector at all.
As for the GeForce GTX 660, it requires almost the same power as the GeForce GTX 660 Ti, and about 25 W more than AMD's Radeon HD 7850 under load.
When it comes thermal performance, Gigabyte's GeForce GTX 650 delivers an impressive load temperature of only 47 degrees Celsius. The GeForce GTX 660 cards generate significantly higher temperatures, with the reference card spiking as high as 76 degrees under load and Zotac's card hitting 71 degrees. Gigabyte's Windforce cooling solution helps a lot, keeping its GeForce GTX 660's peak temperature down to 56 degrees.
From two feet away, noise is minimal across the board. None of the cards we tested are loud, even after a 10-minute Battlefield 3 session.
- GeForce GTX 650: Filling In The Gaps
- GeForce GTX 660: Introducing GK106
- Gigabyte's GeForce GTX 660 (GV-N660OC-2GD)
- Zotac's GeForce GTX 660 (ZT-60901-10M)
- Test Setup And Benchmarks
- Benchmark Results: Batman: Arkham City
- Benchmark Results: Battlefield 3
- Benchmark Results: Crysis 2
- Benchmark Results: DiRT Showdown
- Benchmark Results: Max Payne 3
- Benchmark Results: Metro 2033
- Benchmark Results: The Elder Scrolls V: Skyrim
- Benchmark Results: World Of Warcraft: Mists Of Pandaria
- SLI And CrossFire, Compared
- Overclocking GeForce GTX 660
- GeForce GTX 660: OEM And Retail Cards With Different GPUs?
- Memory Bandwidth: Testing The Limits
- Memory Bandwidth: Analysis And Summary
- OpenCL: GPGPU Benchmarks
- OpenCL: GPGPU Benchmarks (Basemark CL)
- OpenCL: Image Processing (Basemark CL)
- OpenCL: Video Processing (Basemark CL)
- Temperature And Noise
- GeForce GTX 650 And 660: Nvidia Fights Back