Radeon R7 240 And 250: Our Sub-$100 Gaming Card Round-Up

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Results: Grid 2

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.

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98 Comments Comment from the forums

Hazly1979

This card is slower than HD 7750AMD is playing now for sub par $100

Watch the language - G
Reply
emad_ramlawi

No need to read the review, those parts are HD 7750 or the new Nvidia GTX 750 for the WIN

Watch the language - G
Reply
blackmagnum

Just buy a bigger PSU and be done with these poor performance-for-the-dollar/watt cards.
Reply
tridon

These discrete cards that squeeze frames out with very little power drain are great. I recently bought one such cheap AMD-card for my fiancée when she wanted to play Guild Wars 2 with me. Having an aging low cost workstation with a weak power supply "Made in Hell", cards like these were the only option. At least without having to upgrade and tweak other parts of the PC. (Yes I'm lazy ).Don Woligroski: For the few(?) that are in the same situation as me it would be great to se an efficiency chart. Like average frames pr. average watt usage through a benchmark, or something in that vein.
Reply
Martell1977

My brother has a HP s3500f slimline computer that I thought the R7 240 might work well in (at least better than the Geforce 6150se it has now). Problem is he has a 250w PSU, all the R7 240's list 400w minimum and it seems the only place to get one under $75 is eBay($43, new). 400w seems awfully high for such a low end card...
Reply
cleeve

12559832 said:
My brother has a HP s3500f slimline computer that I thought the R7 240 might work well in (at least better than the Geforce 6150se it has now). Problem is he has a 250w PSU, all the R7 240's list 400w minimum and it seems the only place to get one under $75 is eBay($43, new). 400w seems awfully high for such a low end card...

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.

Reply
cats_Paw

Cleeve.... not true:http://www.guru3d.com/articles_pages/amd_radeon_hd_7750_and_7770_review,7.htmlA stressed 7770 Requires at least a 400W good PSU (Note that 400W DOES NOT mean 400W on the 12V rail, but 400W in total. If you do that math in a 250W supply you get a lot less power on the 12V rail, who knows maybe 170... Also remmber that the GPU needs a fixed amount of power in a defined amount of cables. This means that if the PSU is not good, it wont be able to juice the GPU well enought).
Reply
Sakkura

In Metro: Last Light, the GT 640 gets exactly the same FPS and frame time variance at both 720p and 1080p. It looks like you accidentally input the data from one benchmark run in both places.

*EDIT BY EDITOR*

You're absolutely right! We fixed the charts, thanks for catching that!
Reply
Sakkura

12560307 said:
Cleeve.... not true:http://www.guru3d.com/articles_pages/amd_radeon_hd_7750_and_7770_review,7.htmlA stressed 7770 Requires at least a 400W good PSU (Note that 400W DOES NOT mean 400W on the 12V rail, but 400W in total. If you do that math in a 250W supply you get a lot less power on the 12V rail, who knows maybe 170... Also remmber that the GPU needs a fixed amount of power in a defined amount of cables. This means that if the PSU is not good, it wont be able to juice the GPU well enought).
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.
Reply
InvalidError

Where do you get that 400W figure from that Guru3D article? The highest measured figure in there says: "System Wattage with GPU in FULL Stress = 231W" and further down they say they estimate the board's power to max out at ~86W which is just above 7A.That would be power measured at the wall which includes PSU losses... and their test system includes water pump for their OC'd i7-965, cold-cathode lighting and a bunch of other unnecessary stuff most low-end systems would not have that brings their idle power up to a whopping 155W instead of the 50-80W range for typical for current Intel-based mainstream setups.
Reply