Review: Dell Optiplex 7090 Ultra: Modular All-in-One PC

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Dell Optiplex 7090 Ultra: Test © COMPUTER BILD

Dell Optiplex 7090 Ultra in the test: The technology is built into the base of the almost 24-inch all-in-one PC.

The Dell Optiplex 7090 Ultra with its removable computing unit is unique and the concept is not only filled because it is more sustainable than classic all-in-one PCs. The Optiplex worked really fast in the test, did not consume much energy and remained extremely quiet. The monitor also impressed with its good image quality.

Per

  • Fast work pace
  • High image quality
  • Works quietly and economically
  • Lots of connections
  • Good wireless keyboard / mouse set in the package
  • Modular design

Cons

  • Nothing for games
  • No touch screen
  • Card reader is missing

Test rating from the editors

2.3

Well

A.ll-in-one PCs are a clever and elegant invention: most of the technology is located in the back of the monitor. This saves space on the desk and reduces the clutter of cables to a minimum. But beware, a component is defective, then the entire all-in-one PC often has to give way to a new device. Not so with the Optiplex 7090 Ultra, as manufacturer Dell promises. Is that really true? The test gives answers!

Optiplex 7090 Ultra: PC is in a separate module

The secret: Dell has put the PC hardware in a separate module (see picture at the bottom) that latches into the stand of the monitor. If the display is defective, it can be exchanged for a new one. If the computer is defective, the module can also give way to a new model. Of course, this also applies if the technology is getting on in years and it is necessary to replace it with new, more powerful hardware. Dell offers modules in different versions from 760 euros.

Dell Optiplex 7090 Ultra: Test © COMPUTER BILD

The module housed in the base houses the entire technology of the Dell Optiplex 7090 Ultra, which is also found in classic notebooks.

Notebook technology

Dell Optiplex 7090 Ultra: Test © COMPUTER BILD

The display of the Dell Optiplex 7090 Ultra can be swiveled thanks to the plate, the on / off switch is on the stand.

Fast when working

How fast does the all-in-one PC work?

Tempo with Office / Tempo in video editing

very fast (97.3%) / very fast (73.4%)

Game speed (frames per second for DX11 / DX12 games): 1366×768 pixels / 1920×1080 pixels

liquid (44) / very jerky (18) / jerky (26) / very jerky (11)

Storage speed

a little slow (67.1%)

Transfer data: from external SSD to PC /
PC on external SSD

365.7 MB / s /
301.2 MB / s (USB 3.2 Gen 2 Type-A)

How good is the display?

Accuracy of color representation /
Contrast /
Brightness distribution /
Image composition

high (97.0%) /
high (1036: 1) /
somewhat high (9.8%) /
short (9.3 ms)

Anti-reflective coating

still matt

Pixel density (dots per inch)

low (93.0 dpi at 1920 x 1080 pixels)

Image quality (visual test on the built-in display)

very high (no distortions)

How loud and expensive is the operation?

Operating noise: Office / videos / full load / games

very quiet (0.3 / 0.3 / 0.6 / 0.5 sone)

Power consumption: normal / max. / Yearly electricity costs

32.15 watts / 63.52 watts / 67.83 KW / h (17.46 euros)

Is there everything you need?

RAM (built-in / expandable to a maximum)

very much (16 gigabytes / 32 gigabytes)

Storage: usable storage space / type

477 GB / Kioxia KBG40FNS512G NVMe

Connection options at the front /
rear /
free expansion options

1x headset /
1x headset, 2 display ports, 2 HDMI 1 LAN /
no

USB sockets on the front /
rear /

Loads devices also switched off to USB

2x USB 3.2 Gen 2 (1x Type-A, 1x Type-C /
3x USB 3.2 Gen 2 Type-A, 2x USB 3.2 Gen 1 Type A, 1x USB 3.2 Gen 2 Type-C with Thunderbolt 4) /
Yes

WLAN standard / WLAN frequency / Bluetooth

802.11ax / 2.4 GHz and 5 GHz / yes (version 5)

Memory card reader / drive / microphone / webcam

no / no / yes / no

Supplied programs

Windows 10 Pro

How easy is it to use?

Keyboard quality /

the mouse

Standard wireless keyboard with little travel, dedicated volume keys /
normal-sized, no-frills wireless mouse, a little heavy

Operation of the touch screen

unavailable

Built-in display: setting options

many (angle of inclination, height, turn, swivel)

Good screen

They twitch over the built-in display, which is almost 24 inches and, as is usual with many cheaper all-in-one PCs, shows content in Full HD (1920×1080 pixels). This is a good choice for office programs. This means that the display of menus is not as small as with displays with a higher resolution, which are, however, better suited for the detailed editing of photos or videos in 4K. The other picture quality of the display is good: the color fidelity is 97 percent, the contrast a very decent 1,036: 1. Also important: the display is matt. So there are less annoying reflections.

Quiet and economical

The processor in the Dell (Core i5-1145G7) is one of the energy-saving models. It consumes a maximum of 15 watts because Intel developed it for use in notebooks. A clear advantage, because the All-in-One from Dell is content with only 32 watts in normal operation, and even under full load it only draws 64 watts. The low power consumption in turn ensures little waste heat. The fans hardly have to be turned on. In normal operation, the computer works very quietly: With 0.3 sone, it can hardly be heard even in very quiet surroundings. And at full load it holds back comfortably with 0.6 sone.

Lots of connections

The Dell has a comparatively large number of connections. There are two DisplayPorts and an HDMI connection for connecting additional monitors. The Dell has eight USB sockets for keyboards, muse and printers and external SSDs, and even a Thunderbolt 4 port for really fast external SSDs. Incidentally, the Dell can access the Internet wirelessly via a fast WLAN-ax or via a network cable and a built-in LAN socket.

Dell Optiplex 7090 Ultra in the test: conclusion

The Dell Optiplex 7090 Ultra with its removable computing unit is unique and the concept is not only filled because it is more sustainable than classic all-in-one PCs. The Optiplex worked really fast in the test, did not consume much energy and remained extremely quiet. The monitor also impressed with its good image quality.

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