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Amethyst

macrumors 6502a
Original poster
Aug 8, 2006
601
294
I want to upgrade my quad 3.7 nMP CPU under $350 budget so there are 3 choices for me:

E5-2667 v2 8-core 3.3
E5-2690 v2 10-core 2.8
and E5-2695 v2 12-core 2.5

I mainly use this mac for:

iPhone, Android App development.
Photoshop for web/app design.
Daily internet surfing.

What CPU i must choose?
 
I have the E5-2690 v2 10-core 3.0 and its pretty good but if I were to pick again I would probably get the 2667v2 since it boosts to 4.0Ghz. 4 extra threads does come in useful sometimes though
 
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I believe so. I've seen reports on this forum of people using this CPU and there's a bunch of Geekbench results.

Okay, will do. I take reports in the forum as decent enough evidence.

Unfortunately Geekbench doesn't mean anything since it is possible to spoof reports. For example there are "Mac Pro" reports with CPUs using architectures that don't even exist in a Mac.
 
Just checked eBay - not bad for $200 upgrade. This poor machine gets a lot of hate, but I love mine!

Had to look up AST, hadn't heard of it before. I have a ton of questions - will start a new thread.
 
I have the 2667 and am very pleased with it. I would choose that or the 10 core if you are going to upgrade.
 
I bought the 2690, so far it's been rock solid and over 30k on geekbench. Found mine on eBay for $300.
 
Not to thread hijack, but is there likely to be any difference in heat or noise between the 2667 and the 2690?

PS - I do realize the TDP is the same.
 
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The TDP is 130 watt for these processors so it shouldn't change. I have only ever had one time I overheated the beast but that was full load on the CPU and both GPUs for days. Not a common workload for most so I don't think you will ever see any issues.
 
The TDP is 130 watt for these processors so it shouldn't change. I have only ever had one time I overheated the beast but that was full load on the CPU and both GPUs for days. Not a common workload for most so I don't think you will ever see any issues.
Did you manually crank the fan to high? I’ve found that on my system it is way too slow to ramp up under a lot of load.
 
According to Geekbench 4:

E5-1620 v2 4-core 3.7
Single-Core: 4000
Multi-Core: 14000

E5-2667 v2 8-core 3.3
Single-Core: 4100
Multi-Core: 26000

E5-2690 v2 10-core 2.8
Single-Core: 3700
Multi-Core: 28000

E5-2695 v2 12-core 2.5
Single-Core: 3200
Multi-Core: 27000

E5-2697 v2 12-core 2.7
Single-Core: 3600
Multi-Core: 29000

So yeah, the 8-core E5-2667v2 seems to be the sweet spot. However, in day-to-day use, it won't be much faster than the 4-core you have right now.

Not the OP, but I went with the E5-2667. Realistically, I doubt it will make much of a difference from 8 to 10 cores for me; and while the sample size is small it seems that 8 core MPs have more resale value than the 10 core machines.
 
For resale value putting in a CPU that Apple didn't offer can cause some to shy away. E5-2667 might not be noticed, but a 10-core would be. Especially since they wouldn't normally be searching for a 10 core.
 
For resale value putting in a CPU that Apple didn't offer can cause some to shy away. E5-2667 might not be noticed, but a 10-core would be. Especially since they wouldn't normally be searching for a 10 core.


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For resale value putting in a CPU that Apple didn't offer can cause some to shy away. E5-2667 might not be noticed, but a 10-core would be. Especially since they wouldn't normally be searching for a 10 core.

Yep, I figured it was time to get one to experiment with, so bought a new 4 core from OWC. For under $1500, why not?

Just thinking down the road - I'd like to be able to (mostly) get out of it when the newest MP is released (if ever).
 
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I was running Photoscan pro on a large dataset (3000+ photos). Not enough thermal headroom in the new mac pro so the CPU at times was at 200 degrees. Depending on the instruction set (AVX) you can get the CPU pretty hot, and with both GPU's at 100% load it doesn't take long to heat soak the machine. I had the fan at maximum the whole time and had to open a window (Alaska winter) to cool the room down to about 60 degrees to maintain acceptable temperatures.
 
Late to this thread, but I'm thinking about doing the same thing - buying a 4-Core and upgrading it. My only concern is that I want to be able to run 3 4K monitors without any issues. Does anyone have any experience with the D300s and 4k monitors?
 
Looking at these to upgrade mine but the E5-1660 v2 is expensive, the 8c and 12c is cheaper but not sure which to get.
 
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