Grid 2 is a beautiful game. But like many race sims, it's not very graphics-bound. This allows us to test at 1920x1080 using the High Quality preset. In addition, we enable Conservative Morphological Anti-Aliasing (CMAA), a post-processing technique developed by Intel and incorporated into this game.


Despite our stepped-up settings, most of these cards achieve playable performance. Only the Radeon HD 6670 DDR3 and GeForce GT 640 GDDR5 drop below 30 FPS for significant amounts of time. The Radeon R7 240 and Radeon HD 6670 GDDR5 are slightly smoother, spending most of the run above our target frame rate.


There are occasional spikes in our frame time variance chart. But, on average, the results are low through most of the benchmark.
These cards really aren't meant to handle higher detail settings, but we're enabling 4x MSAA anyway to see how it affects the results.


Most of the numbers don't change dramatically. But AMD's Radeon HD 6670 GDDR5 does do better than it did with CMAA turned on.


Frame time variance spikes less with MSAA turned on. Perhaps CMAA's variable post-processing load makes it more difficult to deliver a consistent frame rate.
- The Sub-$100 Graphics Card Market
- Introducing The Radeon R7 240 And 250
- Test Setup And Benchmarks
- Results: Metro: Last Light
- Results: Grid 2
- Results: BioShock Infinite
- Results: Battlefield 4
- Results: Assassin's Creed IV: Black Flag
- Power And Temperature Benchmarks
- When It Comes To Graphics, $100 Goes A Long Way
A 400W is overkill if you're running a power-efficient CPU.
Look at the results, the most this system puilled with the R7 240 is 122 Watts under load. That's the whole system, with an overclocked Core i5-2500K!
A good 250W PSU should be fine. AMD is kind of recommending overkill here, but they do that to protect people from poor quality PSUs. A 250W HP shouldn't be a problem as long as the platform isn't power hungry.
Watch the language - G
Watch the language - G
A 400W is overkill if you're running a power-efficient CPU.
Look at the results, the most this system puilled with the R7 240 is 122 Watts under load. That's the whole system, with an overclocked Core i5-2500K!
A good 250W PSU should be fine. AMD is kind of recommending overkill here, but they do that to protect people from poor quality PSUs. A 250W HP shouldn't be a problem as long as the platform isn't power hungry.
*EDIT BY EDITOR*
You're absolutely right! We fixed the charts, thanks for catching that!
A good 250W power supply will have 18-20 amps on the 12V rail, which is fine for the R7 240.
I don't know why you bring up the 7770, it clearly draws a lot more power than the R7 240.
We were talking about the R7 240, not the 7770.
Even the 7770 is only a ~86W card... just barely high enough to require a 6pin PCIe power connection.
What? What the heck are you talking about?