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The Dell XPS 13 9310 2-in-1 is both a minor and major upgrade over the older XPS 13 7390 2-in-1

The Dell XPS 13 9310 2-in-1 is both a minor and major upgrade over the older XPS 13 7390 2-in-1 (Image source: Dell)
The Dell XPS 13 9310 2-in-1 is both a minor and major upgrade over the older XPS 13 7390 2-in-1 (Image source: Dell)
Users will get a 60 to 90 percent boost in graphics performance between the two models, but there's a huge catch. If you don't need the GPU power, then the physically identical and steadier older model will be more than enough.
Allen Ngo, 🇩🇪

From a visual standpoint, the 2021 XPS 13 9310 2-in-1 offers nothing different from the 2019 XPS 13 7390 2-in-1. Users are getting the exact same chassis with the same dimensions and physical features between them. Even their displays are exactly the same despite their launch dates being two years apart. Instead, the major differentiating factor between the two models is what powers them inside.

The XPS 13 9310 2-in-1 runs on an 11th gen Intel Core CPU whereas the XPS 13 7390 2-in-1 runs on an older 10th gen Ice Lake or Comet lake-U part. As such, graphics performance when jumping from the Iris Plus G7 on the older model to Iris Xe on the newer model gets a significant boost by well over 50 percent without impacting battery life, temperatures, or fan noise.

Unfortunately, the GPU boost comes with a couple of caveats. Firstly, performance over time is steadier on the older Core i7-1065G7 XPS 13 7390 2-in-1 as shown by our CineBench R15 xT and Witcher 3 tests below. Clock rates would remain steady over longer periods for flatter and more predictable performance. In contrast, the Core i7-1165G7 XPS 13 9310 2-in-1 would have both fluctuating CineBench scores and Witcher 3 frame rates as a result of its fluctuating clock rates. Its performance would be higher on average, but its cycling numbers may be undesirable to some users.

Secondly, CPU performance on the Core i7 XPS 13 9310 2-in-1 can oftentimes dip below the Core i7 XPS 13 7390 2-in-1 due to its aforementioned clock rate cycling behavior. The older model can run up to 30 percent faster in these scenarios meaning users would be paying more for a model that isn't always necessary faster.

If you're in the market for an XPS 13 2-in-1, then we would first recommend determining if the extra graphics power from Iris Xe is needed for your daily workloads. If not, then the XPS 13 7390 2-in-1 can offer a near identical user experience for a lower price point.

Cinebench R15 Multi Loop

04590135180225270315360405450495540585630675720765810Tooltip
Dell XPS 13 9310 2-in-1 Intel Core i7-1165G7; CPU Multi 64Bit: Ø653 (481.71-762.89)
Dell XPS 13 7390 2-in-1 Core i7 Intel Core i7-1065G7; CPU Multi 64Bit: Ø672 (632.81-836.68)
Cinebench R20: CPU (Multi Core) | CPU (Single Core)
Cinebench R23: CPU (Multi Core) | CPU (Single Core)
Cinebench R15: CPU Multi 64Bit | CPU Single 64Bit
Blender 2.79: BMW27 CPU
7-Zip 18.03: 7z b 4 -mmt1 | 7z b 4
HWBOT x265 Benchmark v2.2: 4k Preset
R Benchmark 2.5: Overall mean
Cinebench R20 / CPU (Multi Core)
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
2024 Points ∼100% +29%
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
1564 Points ∼77%
Cinebench R20 / CPU (Single Core)
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
475 Points ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
465 Points ∼98% -2%
Cinebench R23 / CPU (Multi Core)
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
4946 (4082.87min - 4945.54max) Points ∼100%
Cinebench R23 / CPU (Single Core)
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
1402 Points ∼100%
Cinebench R15 / CPU Multi 64Bit
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
830 Points ∼100% +9%
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
763 (481.71min - 762.89max) Points ∼92%
Cinebench R15 / CPU Single 64Bit
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
174 Points ∼100% +2%
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
170 Points ∼98%
Blender 2.79 / BMW27 CPU
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
679 Seconds * ∼100% -5%
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
647 Seconds * ∼95%
7-Zip 18.03 / 7z b 4 -mmt1
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
5121 MIPS ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
4434 MIPS ∼87% -13%
7-Zip 18.03 / 7z b 4
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
25215 MIPS ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
22898 MIPS ∼91% -9%
HWBOT x265 Benchmark v2.2 / 4k Preset
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
6.38 fps ∼100% +1%
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
6.32 fps ∼99%
R Benchmark 2.5 / Overall mean
Dell XPS 13 9310 2-in-1
Intel Core i7-1165G7
0.612 sec * ∼100%

* ... smaller is better

3DMark
1920x1080 Fire Strike Graphics
Dell XPS 13 9310 2-in-1
Intel Iris Xe Graphics G7 96EUs, i7-1165G7
5208 Points ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7
3144 Points ∼60% -40%
2560x1440 Time Spy Graphics
Dell XPS 13 9310 2-in-1
Intel Iris Xe Graphics G7 96EUs, i7-1165G7
1596 Points ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7
833 Points ∼52% -48%
2560x1440 Time Spy Score
Dell XPS 13 9310 2-in-1
Intel Iris Xe Graphics G7 96EUs, i7-1165G7
1778 Points ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7
948 Points ∼53% -47%
3DMark 11
1280x720 Performance GPU
Dell XPS 13 9310 2-in-1
Intel Iris Xe Graphics G7 96EUs, i7-1165G7
6569 Points ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7
4594 Points ∼70% -30%
1280x720 Performance Combined
Dell XPS 13 9310 2-in-1
Intel Iris Xe Graphics G7 96EUs, i7-1165G7
6585 Points ∼100%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7
4143 Points ∼63% -37%

Witcher 3 FPS Chart

05101520253035404550556065707580859095Tooltip
Dell XPS 13 9310 2-in-1 i7-1165G7, Iris Xe G7 96EUs; 1024x768 Low Graphics & Postprocessing: Ø90.2 (52-100)
Dell XPS 13 7390 2-in-1 Core i7 i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU); 1366x768 Medium Graphics & Postprocessing: Ø32.7 (29-35)

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Allen Ngo
Allen Ngo - Lead Editor U.S. - 4837 articles published on Notebookcheck since 2011
After graduating with a B.S. in environmental hydrodynamics from the University of California, I studied reactor physics to become licensed by the U.S. NRC to operate nuclear reactors. There's a striking level of appreciation you gain for everyday consumer electronics after working with modern nuclear reactivity systems astonishingly powered by computers from the 80s. When I'm not managing day-to-day activities and US review articles on Notebookcheck, you can catch me following the eSports scene and the latest gaming news.
contact me via: @AllenNgoNBC
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 10 > The Dell XPS 13 9310 2-in-1 is both a minor and major upgrade over the older XPS 13 7390 2-in-1
Allen Ngo, 2021-10- 5 (Update: 2021-10- 4)