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iPad 4 Ram?
- Thread starter ghsDUDE
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Wait...the 3 has 1GB of RAM? Can you break down the RAM in the iPad 1 vs iPad 2 vs iPad 3...
I thought the 4 was twice as fast?
iPad 2 a5 soc has 512mb
iPad 3 a5x 1gb ram
iPad 4 a6x either 1gb or 1.5gb your guess is as good as mine.
The twice as fast is to do with the a6x chip it's the same as the iPhone 5's with twice as many gpu cores and the a6 slaps the a5 silly!
I think it's
1: 256MB
2: 512MB
3: 1GB
4: (not sure yet, possibly 1GB as well)
The speed difference comes from changing the processor from a A5X to a A6X not from the ram.
iPad 1: 256MB
iPad 2: 512MB
iPad 3: 1GB
iPad 4: Wuh?
Doubling the ram doesn't make the device twice as fast. It just means it's capable of handling more complex memory hungry applications, and/or more tasks in the background.
The 4 will have the same ram as the 3. Apple themselves listed all the physical changes. New chip and lightning. Nothing else. Mini will have 512.
It cannot have 1.5 GB of RAM as it only have a single NAND flash on the PCB.
So it is the power of 2. 256 MB -> 512 MB -> 1024 MB -> 2048 MB.
Although I see no reason why they should have upgraded it to 2 GB of RAM.
We will know as soon as they open it up and look at the System-on-a-Chip but A6 has 1 GB of RAM and I highly suspect A6X retains the same amount.
You may well be right. But remember, the A5X doubled the RAM compared to the A5.
Apple also claimed the A6X has double the graphics performance compared to the A5X, yet it retains the same number of cores. Increasing the RAM might be one of the ways they achieved that, as it would increase the performance of texture-heavy 3D apps, etc, on the retina display.
It doesn't really have the impact you are searching for, remember the A6 uses faster and lower-powered RAM (LP DDR2 SDRAM 1066 Mhz as opposed to the 800 Mhz used in the A5X).
However I would gladly be proven wrong. I could easily see them using the "rule of 1/4th" again as every other SoC from Apple has had.
Apple A4, 800 Mhz Cortex-A8 (Hummingbird) with 200 Mhz SGX535.
Apple A5, 800 Mhz dual-core Cortex-A9 paired with 200 Mhz SGX543MP2.
Apple A5X, 1 Ghz dual-core Cortex-A9 paired with 250 Mhz SGX543MP4.
Apple A6, 1.3 Ghz dual-core Swift paired with 325 Mhz SGX543MP3.
Apple A5, 800 Mhz dual-core Cortex-A9 paired with 200 Mhz SGX543MP2.
Apple A5X, 1 Ghz dual-core Cortex-A9 paired with 250 Mhz SGX543MP4.
Apple A6, 1.3 Ghz dual-core Swift paired with 325 Mhz SGX543MP3.
Which easily could make the Apple A6X 1.5-1.6 Ghz dual-core Swift paired with 375-400 Mhz SGX543MP4. Just a guess. It may even use LP DDR3 SDRAM clocked at 1600 Mhz (although I doubt it) for higher memory bandwidth needed at at resolution of 2048 x 1536 pixels. Instead they may have opted for the pseudo 128-bit memory bandwidth implemented in the A5X.
The extra RAM does not magically speed graphic processing up, however, faster RAM will give the entire System-on-a-Chip a higher bandwidth and remove a bottleneck. 1 GB is enough for now, especially if it was enough for the new iPad (3rd generation) with its less efficient processor.
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Apple never mentions RAM at the keynotes for their iDevices, we'll have to wait for the teardown.
You never used a app like AURIA. if the iPad 3s has 2gb of Ram I will pick it up. If not, its not worth the upgrade from the 3 IME.
I'm upgrading from the original iPad, I can't wait to upgrade tbh. Any ideas when the teardown will be?
Indeed I have not used that app, and neither have the vast majority of users.
Badly optimized apps or apps that uses the hardware to the bleeding edge is not Apple's fault but the developers doing.
Well yes, the app is well optimized, but the user can push it to the limit. Not blaming or complaining, just saying 2gb would be welcomed as a power user.
Just wondering why is it that Apple never announces the ram amount ? They tell about the other stuff. We find out later anyway, and isn't this important to many and holding back on this info is perplexing to me.
No idea, probably because Apple feels that their customers don't need to worry about things like RAM.
Just like with multitasking on iOS, they want customers to not worry about closing apps and manage things running in the background as the OS does it all for them.
Twice as fast seems an exaggeration. The A5x (iPad 3) and the A6x (iPad4) have the same clock speed. More GPU cores add a boost but that statement seems like marketing speak.
Let's see independent benchmarks under actual use not in lab conditions.
But they don't have the same clock speed. Nothing has been confirmed and the Apple A6 is twice as fast as its predecessor, which we already know from the iPhone 5.