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[Various] AMD Kaveri A10-7850K (7700K, 7600) reviews - Page 14

post #131 of 1004
Quote:
Originally Posted by maarten12100 View Post

So what I got from those reviews:

1. Kaveri does amazing in terms of performance and performance/Watt in the 45W and lower space.
2. Kaveri does amazing in the 45W space compared to Iris pro's 65w processors and wins high res since the iris pro has less gpu grunt but gains it's speed mostly from the fast L4 cache.
3. Kaveri as expected completely sucks in floating point performance. (was to be expected with 2 128bit FPU's per module and them only 1 used while running non AVX insructions)

AMD has a win for budget gaming on laptop and small desktop and a failure in terms of overclocking beyond 3,5GHz but the win AMD has will be boosted a lot not only will future GCN drivers increase the APU's performance as to where Richland was still on VLIW4 also GCN will help with XDMA and extra frame pacing support for hybrid CF and of course there is also a thing called Mantle which if successful will also help a lot.

But you forgot the 45w chip doesn't actually idle less than Trinity or Richland its roughly the same but when you want to step up the power there isn't as much in reserve. On top of that the difference in sound pressure and heat output is highly exaggerated between an Trinity/Richland A10 100w and a A8 Kaveri 45w Chip, thats like the difference between a 100w lightbulb and 45w, where the 100w would most of the time (movies,music,browsing) as low as the 45w .. so there is no real difference other than the 'hard cap'


id love to see the power usage over a year between a Trinity/Richland and a 45W Kaveri in normal tasks and gaming i bet you would save less than 10$ a year with the less than 55w delta given normal work loads
Edited by Pip Boy - 1/14/14 at 9:32am
post #132 of 1004
7600 is great. 7850K not so much...
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post #133 of 1004
so do these come with BF4 bundled? I don't see it mentioned anywhere
post #134 of 1004
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Originally Posted by nitrubbb View Post

so do these come with BF4 bundled? I don't see it mentioned anywhere

Few bundles on newegg have BF4 bundled with them
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post #135 of 1004
I think the drivers for the igpu is not yet official. We should wait for the beta on the end of the month. Also some bios fixes. If this can clock close to 5ghz then it will be a great sff gaming rig
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post #136 of 1004
Quote:
Originally Posted by OcN13 View Post

DDr4? haha when is amd suppose to implement ddr4 on their apus? Going to be awhile. Also toms used up to 2500mhz ram already. Ddr4 will start at 2133mhz . . .

Obviously DDR4 support will come with the next generation APU's i'm sure. It's true that DDR4 will start at 2133mhz, but the JEDEC specifications for DDR4 go up to 4266mhz. Also, DDR3 2133 =/= DDR4 2133. Memory bandwidth will always be the most important factor in an APU system.
Edited by opty165 - 1/14/14 at 9:38am
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post #137 of 1004
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Originally Posted by phill1978 View Post

But you forgot the 45w chip doesn't actually idle less than Trinity or Richland its roughly the same but when you want to step up the power there isn't as much in reserve. On top of that the difference in sound pressure and heat output is highly exaggerated between an Trinity/Richland A10 100w and a A8 Kaveri 45w Chip, thats like the difference between a 100w lightbulb and 45w, where the 100w would most of the time (movies,music,browsing) as low as the 45w .. so there is no real difference other than the 'hard cap'


id love to see the power usage over a year between a Trinity/Richland and a 45W Kaveri in normal tasks and gaming i bet you would save less than 10$ a year with the less than 55w delta given normal work loads
Yeah it idles 5 to 10W above richland but this may be due to the reviewers using some Asrock board or perhaps it is idling higher for some reason beyond me.
Should make a good laptop chip and I really wonder how it scales in the 15/25W space since that is the mainstream laptop market.
Quote:
Originally Posted by sugarhell View Post

I think the drivers for the igpu is not yet official. We should wait for the beta on the end of the month. Also some bios fixes. If this can clock close to 5ghz then it will be a great sff gaming rig
4,7 was confirmed but it was already running like 1,45V over it so I don't think 5GHz will be attainable unless you have a lucky clocker or go extreme temps.
Quote:
Originally Posted by opty165 View Post

Obviously DDR4 support will come with the next generation APU's i'm sure. It's true that DDR4 will start at 2133mhz, but the JEDEC specifications for DDR4 go up to 4266mhz. Also, DDR3 2133 =/= DDR4 2133. Memory bandwidth will always be the most important factor in an APU system.
For if the person wonders how memory speed is calculated well it is kind of like they do with the gpu to keep things simple we are going to neglect the bus width for now:
DDR(double data rate meaning the the bus multi is 2) is the type of ram the subfix is a clock multiplier(times bus multi but that 2 and pretty irrelevant) which goes like 2, 4, 8, 16(DDR4) aka doubles just like it is with gpu memory where is goes 1, 2, 4(GDDR5) this is also the reason why some subvendors list gpu memory clock as "effective speed" which is clock times multiplier.
Multiplying clock speed in MHz(which of course stand for Mega s^-1 or Mega per second(Million cycles per second)) with the multiplier and multiplying that with the bus width will give give the bandwidth in Mbit/s

Par example (both on a 64 bit bus which is common for dual channel):
DDR3 400MHz * 8 * 64 = 204800 Mbit/s = 25600MB/s
DDR4 400MHz * 16 * 64 = 409600 Mbit/s = 51200MB/s
Edited by maarten12100 - 1/14/14 at 9:58am
post #138 of 1004
Quote:
Originally Posted by nitrubbb View Post

so do these come with BF4 bundled? I don't see it mentioned anywhere

Right, just remembered it was supposed to be bundled. If it is, then that $190 price might be a little more acceptable.
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post #139 of 1004
Ofcourse newegg is offering combos on every board except the UP4
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post #140 of 1004
damn this is disappointing, AMD please give me an excuse to upgrade from my AM2+ system. Still hopeful for a Steamroller FX chip
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Overclock.net › Forums › Industry News › Hardware News › [Various] AMD Kaveri A10-7850K (7700K, 7600) reviews