The AMD Radeon R9 295X2 Review
by Ryan Smith on April 8, 2014 8:00 AM EST- Posted in
- GPUs
- AMD
- Radeon
- Radeon 200
Crysis 3
Still one of our most punishing benchmarks, Crysis 3 needs no introduction. With Crysis 3, Crytek has gone back to trying to kill computers and still holds “most punishing shooter” title in our benchmark suite. Only in a handful of setups can we even run Crysis 3 at its highest (Very High) settings, and that’s still without AA. Crysis 1 was an excellent template for the kind of performance required to drive games for the next few years, and Crysis 3 looks to be much the same for 2014.
Crysis 3 is another title that regular favors NVIDIA cards, and despite AMD being able to close the gap through superior Crossfire scaling the 295X2 still trails the GTX 780 Ti SLI at all resolutions. That said, AMD does at least make it relatively close, and all the while manages to crack 60fps at 2160p with Medium settings, which is about as good as any dual-GPU setup can hope for in Crysis 3 right now.
When it comes to our look at frame pacing, Crysis 3 is the one game where even the XDMA-equipped 295X2 is struggling to meet our own standards for acceptable frame pacing. Our normal threshold here is 20%, which the 295X2 just misses. The remaining difference is under 2% and in all likelihood should not be a significant problem for smoothness (it certainly hasn’t been an issue in our testing), but nonetheless it’s a game that could stand to see further improvements in AMD’s drivers.
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CiccioB - Tuesday, April 8, 2014 - link
Well, not, not exactly. One thing is not being PCI compliant, and that's a thing I can understand. Another thing is going beyond connectors electrical power specifications. If they put 3 connectors I would have not had any problem. But as it is they are forcing components specifications, not simple indications rules on maximum size and power draw.meowmanjack - Tuesday, April 8, 2014 - link
If you look at the datasheet for the power connector (I'm guessing on the part number but the Molex part linked below should at least be similar enough), each pin is rated for 23 A and the housing can support a full load on each pin. Even if only 3 pairs are passing current, the connector can deliver over 800W at 12V.The limiting factor for how much power can be drawn from that connector is going to be the copper width and thickness on the PCB. If AMD designed the board to carry ~20 A (which the presumably have) off each connector it won't cause a problem.
meowmanjack - Tuesday, April 8, 2014 - link
Oops, forgot the datasheethttp://www.molex.com/molex/products/datasheet.jsp?...
behrouz - Tuesday, April 8, 2014 - link
Thanks For Link,Finally My Doubts were Resolved.Ian Cutress - Tuesday, April 8, 2014 - link
Most of the power will be coming from the PCIe power connectors, not the lane itself. If you have 5/6/7 in a single system, then yes you might start to see issues without the appropriate motherboard power connectors.dishayu - Tuesday, April 8, 2014 - link
I'm yet to read the review but FIVE HUNDRED WATTS? WOW!Pbryanw - Tuesday, April 8, 2014 - link
I'd be more impressed if it drew 1.21 Jigawatts!! :)krazyfrog - Tuesday, April 8, 2014 - link
On the second last page, the second last chart is of load GPU temperature when it should be load load noise levels.piroroadkill - Tuesday, April 8, 2014 - link
Reasonable load noise and temps, high performance. Nice.You'll want to get the most efficient PSU you can get your mitts on, though.
Also, I would seriously consider a system that is kicking out 600 Watts of heat to be something you wouldn't want in the same room as you. Your AC will work overtime, or you'll be sweating your ass off.
A GPU for Siberia! But then, that's not really a downside as such, just a side effect of having a ridiculous amount of power pushing at the edges of this process node.
Mondozai - Tuesday, April 8, 2014 - link
"Reasonable noise and temps"? It is shockingly quiet during load for a dual GPU card. And it has incredibly low GPU temps, too.As for heat, not really, only if you have a badly ventilated room in general or live in a warm climate.