Conclusion: Let's get the obvious out of the way first; if you can stretch your budget close to £300 and you want to maximise performance, NVIDIA's GeForce GTX 670 is our recommended card. It's in the sub-£250 bracket that AMD's Radeon HD 7870 comes into contention, and at this price point there's arguably no better card on the market. If you're gaming at 1080p and you're hoping to keep power-draw and noise down to a comfortable level, the HD 7870 is a good all-round fit.
Summary: In our initial launch reviews of the HD 7870, we praised how much performance improved over the last generation, and that still stands. The Sapphire HD 7870 Flex offers performance close to what NVIDIA's last generation GTX 580 flagship provided. Sapphire chose to not overclock their card out of the box, so the Flex runs at the same speed as the AMD reference design. I feel that they missed out on an opportunity here, as the card can easily run higher clocks.
Pros: Fast, good performance increase over previous generation, Quiet, Native full-size HDMI & DisplayPort output, Three monitors without the need for active DisplayPort adapter, Dual BIOS, Support for ZeroCore power, Support for PCI-Express 3.0 and DirectX 11.1
Cons: Not overclocked out of the box, Lower memory overclock than other HD 7870 cards
Summary: Una vez finalizadas las pruebas podemos afirmar que esta versión FleX de Sapphire es una muy buena opción para los que busquen una placa de video con la cual poder jugar a los juegos actuales con un alto nivel de detalle sin perder la fluidez en los mismos cuando elevamos la resolución o aplicamos algunos filtros.