The Galxy Tab WiFi uses the same housing as the Galaxy Tab 3G, but is it really the same? Obviously not. A user version of "domestic" Tablet Samsung realized that if the technical details of the 3G version said "C110, 1GHz, Cortex A8 Hummingbird" for the processor, Wi-Fi version was satisfied with the indication "1GHz Cortex A8 processor.
After investigation, he discovered that the CPU was very different. Indeed, the Hummingbird Samsung uses a PowerVR SGX GPU while the 540 Wi-Fi Galaxy Tab merely a PowerVR SGX 530. The only SoC that uses the GPU with a Cortex A8 is the OMAP3 Texas Instruments, already used in the Galaxy SL.
Both chips are close, but still faster Hummingbird. In both cases, it is a SoC (System on a Chip), which combines processor, chipset and GPU onto the same chip. The processor is the same: an ARM Cortex A8 at 1 GHz. There are still a small difference: the cache is 256 kb on OMAP3 and 512 kb from Samsung.
For the GPU, the supplier is the same - Imagination - but the chip exchange. Samsung uses a PowerVR SGX 540, Texas Instruments a PowerVR SGX 530. Specifically, the first is about two times faster than the second. Finally, memory is managed in 64-bit Samsung and 32-bit at Texas Instrument, which limits a little performance.
In fact, early tests show that the Galaxy Tab 3G is more reactive than the Galaxy Tab Wi-Fi, which is quite logical. And the difference is low in normal use is expected to explode in programs that use the GPU.
After investigation, he discovered that the CPU was very different. Indeed, the Hummingbird Samsung uses a PowerVR SGX GPU while the 540 Wi-Fi Galaxy Tab merely a PowerVR SGX 530. The only SoC that uses the GPU with a Cortex A8 is the OMAP3 Texas Instruments, already used in the Galaxy SL.
Both chips are close, but still faster Hummingbird. In both cases, it is a SoC (System on a Chip), which combines processor, chipset and GPU onto the same chip. The processor is the same: an ARM Cortex A8 at 1 GHz. There are still a small difference: the cache is 256 kb on OMAP3 and 512 kb from Samsung.
For the GPU, the supplier is the same - Imagination - but the chip exchange. Samsung uses a PowerVR SGX 540, Texas Instruments a PowerVR SGX 530. Specifically, the first is about two times faster than the second. Finally, memory is managed in 64-bit Samsung and 32-bit at Texas Instrument, which limits a little performance.
In fact, early tests show that the Galaxy Tab 3G is more reactive than the Galaxy Tab Wi-Fi, which is quite logical. And the difference is low in normal use is expected to explode in programs that use the GPU.
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Thanks for supplying us with this kind of information. :)
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