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楼主 |
发表于 2019-6-25 18:46:33
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https://news.ycombinator.com/item?id=20260863
最专业的细节分析 太长了看不过来
Single table computer with BCM2711
processor
Broadcom BCM2711
CPU cores
4 x ARM Cortex-A72, max. 1.5GHz
RAM
1, 2 or 4 GB of LPDDR4-1866 (x32, Micron D9WHV / MT53D1024M32D4DT-053)
GPU
VideoCore VI (VC6)
video Decoder
H.264 (1080p60), H.265 (2160p60)
Gigabit Ethernet
MAC to BCM2711, PHY: BCM54213PE
WLAN, Bluetooth
SDIO: 802.11ac (2.4 and 5 GHz, 1×1), BT 5.0
USB 3.0 driver
VIA Labs (VLI) VL805
external connections
2x Micro-HDMI, 1x RJ45, 2x USB-A 3.0, 2x USB-A 2.0, 1x MicroSD, 1x Audio-Jack + video output, 1x USB-C for power supply
connectors on board
GPIO pin header, 1x PoE header, 1x DSI (screen), 1x CSI (camera)
the reference points (Raspbian Buster, 2019-06-20)
7-zip, 4 cores (Zip / Unzip)
3562/7755
CoreMark 1/8 core
8239/32813 points
data transfer speeds
USB 3.0 (encrypted with LUKS)
200 MB / s (115 MB / s)
Ethernet (send / receive)
924/926 Mbps
NAS access to USB SSD (encryption with LUKS)
80 (60) MB / s
entrance (including the included USB-C adapter, connected: USB input devices, Full HD display)
Soft-off
0.3 watts
Raspbian: inactive with / without ethernet, mouse, keyboard
3.5 / 4.4 watts
Inactive with Wi-Fi, mouse and tasting.
4.2 watts
Last with YouTube (Chromium) / openSSL
6.0 / 7.6 watts
Inactive command line and ethernet, without mouse, keyboard, monitor
3.8 watts
LibreElec 10: inactive video / 4K
4.2 / 4.5 watts
prices
with 1/2/4 GB
35/45/55 US dollars, estimated at € 40/50/60
(CIW) |
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