Comments on: $25 Raspberry Pi packs 2x iPhone 4S GPU performance, roasts Tegra 2

By: Gianluigi Bombatomica

Gianluigi Bombatomica — Mon, 06 Feb 2012 17:59:00 +0000

I assume he was talking about the ARM CPU (hence he said “chip”) not the Raspberry Pi as a whole

By: soujisama

soujisama — Wed, 25 Jan 2012 21:31:00 +0000

This was not a CPU comparison.

By: soujisama

soujisama — Wed, 25 Jan 2012 21:31:00 +0000

This was not a CPU comparison.

By: Nope

Nope — Wed, 25 Jan 2012 20:00:00 +0000

It’s not “obviously” meant for use in Smart TVs and the like. The primary use case is hackers using it in hardware hacks and small development projects, which includes but isn’t primarily about multimedia devices.It’s just that the GPU happens to be cheap to produce.

By: 2012lolz

2012lolz — Wed, 25 Jan 2012 19:47:00 +0000

Compare an integer hardware divide and learn which is faster. The ARM11 doesn’t have an integer hardware divide instruction.

By: Pete A.

Pete A. — Wed, 25 Jan 2012 18:51:00 +0000

XBMC, AirPlay… yes, I want this.

By: Graham Briggs

Graham Briggs — Wed, 25 Jan 2012 17:51:00 +0000

The chip is obviously mostly meant for use in Smart TVs and the like, and thus the balance of resources is weighted towards the graphics. This is the first I’ve heard about the actual performance of what Broadcom calls VideoCore IV (which they got by buying a UK based outfit). The comment might not even apply to 3D performance, but raw video decode performance.
But yeah, the CPU itself is very weak, but for media players all it is doing is telling the dedicated hardware what work to do.

By: Anonymous

Anonymous — Wed, 25 Jan 2012 17:18:00 +0000

this 700mhz arm11 (arm v6) POS must be paired with some out of world GPU if it graphically outperforms dual core arm cortex a9 (arm v7) which is like two generations ahead than arm11

By: timbox100

timbox100 — Wed, 25 Jan 2012 16:16:00 +0000

What I read about the Pi was that to get the chip price down they used a old and cheap chip.
While I have heard that the Tegra 2 has ram pipe line speed restrictions not found in say the latest TI chips over all it would still whip the arse of a 700mhz Arm11