The Raspberry Pi 4 Model B has been launched, despite months of tricky misdirection implying that it wouldn't be on the market until 2020. The technical specifications include two micro HDMI ports, two USB3 ports, two USB2 ports, dual band Wi-fi, Bluetooth 5, Gigabit Ethernet, and either 1GB, 2GB, or 4GB of RAM. Power consumption is noticeably higher than similar earlier models and the power can be supplied over USBC.
From the spec sheet:
takyon: Review at Tom's Hardware. Cons: "Key software doesn't work at launch, Poor high-res video playback". Cases for the previous Pi don't work due to the new micro-HDMI ports. Tom's measured nearly ten times better storage performance using one of the new USB 3.0 ports, and the gigabit Ethernet port can actually reach nearly 1 Gbps (943 Mbps vs. 237 Mbps for the previous model).
Also at The Verge and Ars Technica.
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(Score: 2) by JoeMerchant on Monday June 24 2019, @05:04PM
The one in the middle is a bit weird, but I do see a huge difference in market even between a $35 piece and a $50 piece. Remember, there's a whole world of legacy R-Pi applications out there that get by just fine on 1GB of RAM, but might appreciate the other upgrades, at no cost.
And, I don't think that buying 4GB RAM chips in (more) bulk is going to drop their price appreciably.
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