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: Warhead
Up next is our legacy title for 2013/2014, Crysis: Warhead. The stand-alone expansion to 2007’s Crysis, at over 5 years old Crysis: Warhead can still beat most systems down. Crysis was intended to be future-looking as far as performance and visual quality goes, and it has clearly achieved that. We’ve only finally reached the point where single-GPU cards have come out that can hit 60fps at 1920 with 4xAA, never mind 2560 and beyond.
At 1440p AMD and NVIDIA are within 10% of each other. However if we crank up the resolution to 2160p, the GTX 780 Ti SLI starts falling well behind the 295X2. Though this performance advantage doesn't translate to improved minimums; even at 2160p NVIDIA and AMD are close together on minimum framerates.
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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.