win8发布，哪家ARM厂商能提前支持win8 RT版本的？

2012-10月26号，win8发布了。话说ARM厂商只有TI，高通，NVIDIA三家获得MS的合作。且NVDIA据说2月份就出了ARM架构的Win8平板电脑，因此看看NVIDIA的双核芯片和三星的有啥优势？对比如下，不知他们价格如何。三星4212的已经有开发板在卖了。不过不是win8的系统。呵呵。

Tegra 3 Specifications：

CPU	Quad-Core, with 5th battery-saver core
Max Frequency	Up to 1.7 GHz Single Core /1.6 GHz Quad-Core
L2 Cache	1 MB
L1 Cache (I/D)	(32KB / 32KB) per core
Memory
Frequency	DDR3-L 1500
LPDDR2-1066
Memory Size	Up to 2 GB
GPU
Architecture	ULP GeForce
3D Performance Relative to Tegra 2*	Up to 3x
Cores	12
3D Stereo	Yes
Full Programmability	Yes
OpenGL ES Version	2
OpenVG	1.1
EGL	1.4
Video (1080p)
Decode	H.264 (HP @ 40Mbps)
VC-1 AP
MPEG2
MPEG-4
DivX 4/5
XviD HT
H.263
Theora
VP8
WMV
Sorenson Spark
Real Video
VP6
Encode	H.264
MPEG4
H.263
VP8
Video Teleconference (VTC)	H.264
MPEG4
H.263
VP8
Audio
Decode	AAC-LC
AAC+
eAAC+
MP3
MP3 VBR
W***/PCM
AMR-NB
AMR-WB
BSAC
MPEG-2 Audio
Vorbis
WMA 9
WMA Lossless
WMA Pro
G.729a *
G.711 *
QCELP *
EVRC *
* Through third party
Encode	AAC LC
AAC+
eAAC+
PCM/W***
AMR-NB
AMR-WB
Imaging
Primary Camera	32 MP
Secondary Camera	5 MP
Mpixel/s	300
Digital Zoom	Up to 16x
JPEG Decoding/Encoding	80MP/sec
Still Image Stabilitization	Yes
Video Stabilization	Yes
Features	Auto Exposure
Auto White Balance
Auto Focus
Lens Shading 9th order
De-Mosaic
Sharpening
Programmable De-Noise
MIPI CSI	Yes
Display
Display Controllers	2 simultaneous
HDMI	(1920x1080)
LCD	2048x1536
CRT	1920x1200
MIPI DSI	Yes
Package
Package	14x14 BGA
24.5x24.5 BGA
Process	40 nm

三星芯片：

Features of Exynos 4212

The features of Exynos 4212 are:

 ARM Cortex-A9 based Quad CPU Subsystem with NEON

 32/32 KB I/D Cache, 1 MB L2 Cache

 Operating frequency up to 800 MHz at 0.9 V, 1 GHz at 1.0 V, and 1.5 GHz at TBD V

 128-bit/64-bit Multi-layer bus architecture

 Core-D domain for ARM Cortex-A9 Quadl, CoreSight, and external memory interface

 Operating frequency up to 200 MHz at 1.0 V

 Global D- domain mainly for multimedia components and external storage interfaces

 Operating frequency up to 100 MHz at 1.0 V

 Core-P, Global-P domain mainly for other system component, such as system peripherals, peripheral DMAs, connectivity IPs and Audio interfaces.

 Operating frequency up to 100 MHz at 1.0 V

 Audio domain for low power audio play

 Advanced power management for mobile applications

 64 KB ROM for secure booting and 256 KB RAM for security function

 8-bit ITU 601/656 Camera Interface supports horizontal size up to 4224 pixels for scaled and 8192 pixels for un-scaled resolution

 Multi Format Codec provides encoding and decoding of MPEG-4/H.263/H.264 up to 1080p@30 fps and decoding of MPEG-2/VC1/Xvid video up to 1080p@30fps

 Image Signal Processing subsystem

 JPEG encoder supports various format.

 3D Graphics Acceleration with scalable Multicore GPU.

 2D Graphics Acceleration support.

 1/2/4/ 8bpp Palletized or 8/16/24bpp Non-Palletized Color TFT recommend up to SXGA resolution

 HDMI interface support for NTSC and PAL mode with image enhancer

 MIPI-DSI and MIPI-CSI interface support

 One AC-97 audio codec interface and 3-channel PCM serial audio interface

 Three 24-bit I2S interface support

 One TX only S/PDIF interface support for digital audio

 Eight I2C interface support

 Three SPI support

 Four UART supports three Mbps ports for Bluetooth 2.0

 On-chip USB 2.0 Device supports high-speed (480 Mbps, on-chip transceiver)

 On-chip USB 2.0 Host support

 Two on-chip USB HSIC

 Four SD/ SDIO/ HS-MMC interface support samsung / david.pang at 09:44,2011.12.06

SAMSUNG

Samsung Confidential

Exynos 4212_UM 1 Product Overview

1-4

Preliminary product information describes products that are in development, for which full characterization data and

associated errata are not yet available. Specifications and information herein are subject to change without notice.

 32-channel DMA controller (16 channels for Memory-to-memory DMA, 16 channels for Peripheral DMA)

 Supports 14  8 key matrix

 Configurable GPIOs

 Real time clock, PLL, timer with PWM, and watch dog timer

 Multi-core timer support for accurate tick time in power down mode (except sleep mode)

 Memory Subsystem

 Asynchronous SRAM/ ROM/ NOR interface with x8 or x16 data bus

 NAND interface with x8 data bus

 LPDDR2 interface (800 Mbps/pin DDR)

 Embedded GPS/AGPS/GLONASS.