The AMD Radeon R9 295X2 Review
by Ryan Smith on April 8, 2014 8:00 AM EST- Posted in
- GPUs
- AMD
- Radeon
- Radeon 200
Metro: Last Light
As always, kicking off our look at performance is 4A Games’ latest entry in their Metro series of subterranean shooters, Metro: Last Light. The original Metro: 2033 was a graphically punishing game for its time and Metro: Last Light is in its own right too. On the other hand it scales well with resolution and quality settings, so it’s still playable on lower end hardware.
Our first gaming benchmark pretty much sets the tone for what we’ll be seeing in this review. In building the 295X2 AMD set out to build a single card that could match the performance of the 290X “Uber” In Crossfire, and that is exactly what we see happening here. The 295X2 and 290XU CF swap places due to run-to-run variation, but ultimately both tie together, whether it’s above the GTX 780 Ti SLI or below it.
As we’ve already seen with the 290X, thanks in part to AMD’s ROP advantage, AMD’s strong suit is in very high resolutions. This leads to the 295X2 edging out the competition at 2160p, while being edged out itself at 1440p. None the less between AMD and NVIDIA setups this is a very close fight thus far, and will be throughout. As for Metro, even at the punishing resolution of 2160, the 295X2 is fast enough to keep this game going at above 50fps.
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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.