sanabago21 said:
JayWood2010 said:
KBG29 said:
OP:
Whether the XB3 has the specs rumored or they rebuild it to be faster the difference will be very small. We are talking even harder to see than the PS3 vs the 360. With where graphics are for these consoles it would take major advantages to actually make a difference.
To me the higher the baseline for development, the happier I am. That means more room for PC devs to stretch their legs, and that makes me happy.
@JayWood2010
I am really confused at what you are trying to say with the RAM. 360 had the same unified RAM set up, and the OS had 32MB reserved during gameplay. That left the CPU and GPU to share the remaining 470MB any way a developer saw fit. The GPU had 12MB of dedicated embedded RAM.
With the PS4 I think Sony wants full access to the OS at all times, and that would be why it may take as much as 2GB. That however, would be the limit for the OS during gameplay. The other 6GB would available to developers to split between the CPU and GPU exclusively for the game features any way they want. All the streaming, cross game chat, Share features, and the lot would be part of that 2GB reserved for the OS. |
You got that correct.
The 6GB memory will be split through hardware as the developers choose. It isn't just dedicated memory. That's all I'm Saying. A lot of people seem to think all 8Gb is for dedicated memory but that isnt true. If that was true then you would have 0Gb for both the GPU and OS. The RAM in this case is sharing memory with everything else.
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What im trying to correct is that you said 2gb will be dedicated to the GPU which is not the case.The GPU and the CPU are going to share all the memory left over after subtracting whatever the OS will use.. That is what shared memory means, no dedicated memory for the GPU or CPU. SO that 6gb or 7GB of memory left over from the PS4 will be available for game development.
ALso its been estimated that the ps4 OS will only use 512mb of memory as can be seen from the digital foundry article
Graphics Core:
- GPU is based on AMD's "R10XX" (Southern Islands) architecture
- DirectX 11.1+ feature set
- 18 Compute Units (CUs)
- Hardware balanced at 14 CUs (4 dedicated to Compute)
- Shared 512KB of read/write L2 cache
- 800MHz
- 1.843 Tflops, 922 GigaOps/s
- Dual shader engines
- 18 texture units
- 8 render backends
Memory:
- 4GB unified system memory, 176GB/s
- 3.5GB available to games (estimate)
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Ahh i see what you are saying. That sunds about right :)
