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Let's disect this for a second:
- In terms of raw power, the x2 has the edge over a single 7850 in theory but,it's not that clear cut.
- The x2 won't do DX11
- It won't do well at 1080p> as it only has a 1GB frame buffer
- It uses twice the power of the 7850
- It's not as good in modern games
- It's more liable to die on you due to it being 4 year old tech as opposed to being <2years
- It will be noisy
- It will likely have crossfire issues, some games will only utlilise 1GPU etc etc
- The list goes on.
In short the 7850 is a much better all round choice, will it give you better frames on Crysis3 than a x2? maybe or maybe not, either lower the settings, the res or shell out for a better card if you are debating either card.
I would have to disagree. I went from a 4870/4850 CF setup to a 5870 and I have to say both setups perform about the same in ideal conditions for both.
1GB frame buffer should be okay for 1080p, albeit only just.
Power usage on the 4000 series cards is horrendous, yes, and inherently have a noisy fan because of it.
Crossfire issues aren't guaranteed.
Similar thing for me. Phenom II X2, single 4850, low settings, ran in the 20-30 FPS range for me. Don't remember what resolution the monitor was, maybe 1680x1050?I ran it on a dual core athlon X2, 4850, 4GB DDR2. Everything low/medium/low settings about 25FPS @ 1440x900. Still looked beautiful. It took many upgrades to break ultra settings until I upgraded to the Athlon II X4 and crossfired my 4850 (didnt have my 5850 at the time) by then Crysis 1 was old news.
For the daughter's computer.Getting one of what? Dont you already have a 6970 and the choice was between another or a single more powerful card?
I don't think "bang for your buck" is how I'd describe a 7950 when used cards are an option. If she doesn't mind medium settings, I'd try that 6970 (which is roughly the same performance as a 5870) or a 5870. Those cards still cost a bit (~$150-200 USD), but their HD XX50 counterparts would save you a couple shillings with a minimal hit in performance.Like I said, The best bang for your buck is actually getting an upgrade for yourself and give her your 6970. You are buying 1 card but upgrading 2 systems. A 7950 is much cheaper and can easily perform the same as the 7970. The extra shaders made little to no difference in performance.
Or if your budget is a fixed amount rather than amount per system then you should just get her a 7850 1 GB. It will play any game on high except metro and crysis 3. If you look at the reviews, by the time the card needs more than 1 GB, it is already unplayable. The gpu will bottleneck before the memory in almost all cases. If you plan to go above 1080p or duels/triples then get the 2GB.
The HD 4000 series cards are mostly useless considering their lack of DirectX 10 support. I loved mine, but 200-300 watts per card and lack of DX10/OpenCL pushed me to upgrade.
Why don't you just give her your 6970 and buy yourself a 7970? Nothing is wasted and problem is solved.
No one said it was a wise option, but it is the most awesome option.I had thought on getting a 7970 for myself but it's a bit to expensive plus my 6970 is enough for me.
I actually would like to +1 this, though. The hand-me-down upgrade model isn't a particularly bad one.
Edit: I just realized I was disagreeing with a moderator about the 6970 vs 7950 debate, but I think I'll hold my ground. Mindweaver, perhaps you're thinking of the 7850? The 7950 is $300 on a good day whereas the 6970 seems to go for $200-ish.
Also, the 5870 and 5970 are within striking distance of each other, but the 6970 is generally priced quite a bit higher.
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