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New Computer for 4k Video Editing

Enthusiast ,
Jan 18, 2018 Jan 18, 2018

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Dell XPS 8920 Specs

Are these specifications adequate?

ProcessorIntel Core i7-7700 Quad-Core
Base Clock Speed3.6 GHz
Max Boost Speed4.2 GHz
L3 Cache8 MB
System Bus8 GT/s Direct Media Interface
ChipsetSocket: LGA 1151
Type: Intel Z270
Total Installed Memory8 GB
Maximum Memory Capacity64 GB
Memory TypeDDR4 SDRAM
Memory Speed2400 MHz
Graphics TypeDedicated
Graphics CardNVIDIA GeForce GT 730 with 2 GB DDR3 VRAM
Drives
Hard DriveInstalled: 1 TB 7200 rpm
Type: SATA
Optical DriveSuperMulti DVD Burner
Drive ExpansionNot Specified by Manufacturer
PCI ExpansionNot Specified by Manufacturer
Inputs / Outputs
Ports1 x USB 3.1 Type-C
1 x USB 3.1 Type-A
7 x USB 3.0 Type-A
2 x USB 2.0 Type-A
Display1 x HDMI
1 x DisplayPort
Audio1 x 1/8" (3.5 mm) Headphone Output
1 x 1/8" (3.5 mm) Microphone Input
3 x 1/8" (3.5 mm) Line-Out
Flash Media SlotSD
SDHC
SDXC
Communications
Network1 x 10/100/1000 Mbps Gigabit Ethernet (RJ45)
Wi-Fi802.11ac
BluetoothBluetooth 4.0
Keyboard & Mouse
KeyboardType: Full-Size
MouseUSB
General
Operating SystemWindows 10 Home (64-Bit)
Power Supply480 W

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LEGEND ,
Jan 18, 2018 Jan 18, 2018

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Not good enough, I'm afraid. Especially since it has a discrete GPU that's actually worse than the integrated Intel HD Graphics. And for all I know Dell's version of the GT 730 is a really crummy Fermi (GF108) GPU that has only 96 CUDA cores. And that hard drive cannot sustain even 200 MB/second, let alone 500 MB/second, in sequential writes.

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Enthusiast ,
Jan 18, 2018 Jan 18, 2018

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What are your recommendations?

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LEGEND ,
Jan 18, 2018 Jan 18, 2018

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Build your own.  Learn how, and what you'll need.  Shop below.

Computer Parts, Laptops, Electronics, and More - Newegg.com

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Community Expert ,
Jan 18, 2018 Jan 18, 2018

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Enthusiast ,
Jan 18, 2018 Jan 18, 2018

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Thank you.  I will check out your suggestion.

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Community Expert ,
Jan 18, 2018 Jan 18, 2018

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Read in the hardware forum. The decisions are complex.

Hardware Forum

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LEGEND ,
Mar 07, 2018 Mar 07, 2018

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After looking at the specs, it turned out that Dell was using a GK208-based (Kepler, 384 CUDA cores) variant of the GT 730. However, the DDR3 throughput on that card is a terribly low 14 GB/second. If my GDDR5 variant of the GT 730 slowed down my entire system even at CPU level, that GT 730 DDR3 would be even worse. The more typical Fermi-based variant of the GT 730 (which is actually a rebrand of the old GT 430 from 2010) would be worse still despite a wider 128-bit DDR3 memory bus (the GK208 uses a 64-bit memory bus) with higher throughput (29 GB/second for the GF108 versus 14 GB/second for the GK208 DDR3 version) because (as my previous testing has confirmed) Fermi GPUs are simply too weak to come anywhere close to fully utilize their memory bandwidth or throughput.

By the way, the XPS 8920 designation was for the XPS Special Edition with the i7. And the specs that Michael Stehly listed are just for the base configuration of that model, as offered during most of 2017. As such, that system would have required multiple component upgrades (the RAM, GPU and disk(s)), configurable at the time of ordering, just for it to even be usable in Premiere Pro.

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