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Our first Core i7-10810U benchmarks are in and they are not great

Our first Core i7-10810U benchmarks are in and they are not great (Image source: Intel)
Our first Core i7-10810U benchmarks are in and they are not great (Image source: Intel)
Intel's newest Comet Lake-U processor seems to be good option for "bursty" workloads, but its mediocre Turbo Boost sustainability can make it significantly slower than even the Core i7-10710U based on our Dell sample.

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Launched just a few weeks ago, the Core i7-10810U is the vPro-enabled version of last year's Core i7-10710U designed for business laptops. It supports faster Turbo Boost frequencies of up to 4.9 GHz compared to "only" 4.7 GHz on the Core i7-10710U, but both processors are otherwise essentially identical down to their integrated UHD Graphics and cache sizes.

One of the first laptops to ship with the Core i7-10810U was the Dell Latitude 9510 which we were able to test earlier last week. While we found the convertible laptop itself to be impressive for its category, CPU performance was subpar when running high loads for extended periods. This is exemplified by our CineBench R15 xT loop test below where the high initial score would drop by as much as 40 percent by the third loop. Although perfect Turbo Boost sustainability is never expected from Ultrabooks running on ULV CPUs, this drop in particular is much steeper than what we're used to seeing.

The heavy throttling would impact additional benchmarks as well. Performance when running Blender and HWBOT x265, for example, would be far slower than the average Core i7-10710U by about 25 to 40 percent despite the fact that the Core i7-10810U is more expensive and with faster maximum Turbo Boost on paper.

We'll have to test more Core i7-10810U laptops to paint a bigger picture of the processor, but its debut on the Latitude 9510 could have definitely been better. If you're in the market for a Comet Lake-U Ultrabook or business laptop and have no use for vPro, then skip the Core i7-10810U and just go with the cheaper Core i7-10710U instead.

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05511016522027533038544049555060566071577082588093599010451064.2968.8642.71555.12695.25535.25688.52519.81678.48497.39636.05492.93651.06499.43609.24501618.21478.81552.58509.7510.49565.5498.95536.82511.51528.5484.71572.21467.09571.82469.24637.44455.14584.41465.93574.65467.61585.95470.36548.78500.41516.07544.34481.23573.22464.55588.37456.19603.64459.821062.410401029.91005.3704.72709.94689.23848.45904.49945.92982.66981.45912.37842.57884.19932.49953.68868847.22891.33936.99918.13835.49856.15908.51937.1879.31818.65871.31911.22908.66832.45859.55912.53932.47844.52817.39876.92922.74891.56816.51862.16906.41910.6813.65825.47883.88917.85856.79811.851064.2968.8642.71555.12695.25535.25688.52519.81678.48497.39636.05492.93651.06499.43609.24501618.21478.81552.58509.7510.49565.5498.95536.82511.51528.5484.71572.21467.09571.82469.24637.44455.14584.41465.93574.65467.61585.95470.36548.78500.41516.07544.34481.23573.22464.55588.37456.19603.64459.821062.410401029.91005.3704.72709.94689.23848.45904.49945.92982.66981.45912.37842.57884.19932.49953.68868847.22891.33936.99918.13835.49856.15908.51937.1879.31818.65871.31911.22908.66832.45859.55912.53932.47844.52817.39876.92922.74891.56816.51862.16906.41910.6813.65825.47883.88917.85856.79811.851064.2968.8642.71555.12695.25535.25688.52519.81678.48497.39636.05492.93651.06499.43609.24501618.21478.81552.58509.7510.49565.5498.95536.82511.51528.5484.71572.21467.09571.82469.24637.44455.14584.41465.93574.65467.61585.95470.36548.78500.41516.07544.34481.23573.22464.55588.37456.19603.64459.821062.410401029.91005.3704.72709.94689.23848.45904.49945.92982.66981.45912.37842.57884.19932.49953.68868847.22891.33936.99918.13835.49856.15908.51937.1879.31818.65871.31911.22908.66832.45859.55912.53932.47844.52817.39876.92922.74891.56816.51862.16906.41910.6813.65825.47883.88917.85856.79811.85Tooltip
Dell Latitude 9510 2-in-1 UHD Graphics 620, i7-10810U, Toshiba KBG40ZNS512G NVMe; CPU Multi 64Bit: Ø562 (455.14-1064.2)
Dell XPS 13 7390 Core i7-10710U UHD Graphics 620, i7-10710U, SK Hynix PC601 NVMe 512 GB; CPU Multi 64Bit: Ø886 (689.23-1062.4)
Cinebench R20: 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
Geekbench 5.3: 64 Bit Single-Core Score | 64 Bit Multi-Core Score
HWBOT x265 Benchmark v2.2: 4k Preset
LibreOffice : 20 Documents To PDF
R Benchmark 2.5: Overall mean
Cinebench R20 / CPU (Multi Core)
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
2344 Points ∼100%
Average Intel Core i7-10710U
  (1181 - 2598, n=4)
2123 Points ∼91% -9%
Cinebench R20 / CPU (Single Core)
Average Intel Core i7-10710U
  (460 - 480, n=3)
467 Points ∼100% +18%
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
396 Points ∼85%
Cinebench R15 / CPU Multi 64Bit
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
1064.2 (455.14min - 1064.2max) Points ∼100%
Average Intel Core i7-10710U
  (513 - 1113, n=7)
999 Points ∼94% -6%
Cinebench R15 / CPU Single 64Bit
Average Intel Core i7-10710U
  (138 - 194, n=7)
175 Points ∼100% +9%
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
161 Points ∼92%
Blender 2.79 / BMW27 CPU
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
875 Seconds * ∼100%
Average Intel Core i7-10710U
  (468 - 892, n=3)
648 Seconds * ∼74% +26%
7-Zip 18.03 / 7z b 4 -mmt1
Average Intel Core i7-10710U
  (4425 - 4727, n=3)
4587 MIPS ∼100% +4%
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
4398 MIPS ∼96%
7-Zip 18.03 / 7z b 4
Average Intel Core i7-10710U
  (16713 - 29948, n=3)
24592 MIPS ∼100% +53%
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
16072 MIPS ∼65%
Geekbench 5.3 / 64 Bit Single-Core Score
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
1255 Points ∼100%
Average Intel Core i7-10710U
 
1229 Points ∼98% -2%
Geekbench 5.3 / 64 Bit Multi-Core Score
Average Intel Core i7-10710U
 
5839 Points ∼100% +74%
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
3351 Points ∼57%
HWBOT x265 Benchmark v2.2 / 4k Preset
Average Intel Core i7-10710U
  (4.2 - 7.95, n=3)
6.06 fps ∼100% +59%
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
3.81 fps ∼63%
LibreOffice / 20 Documents To PDF
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
64.8 s * ∼100%
R Benchmark 2.5 / Overall mean
Dell Latitude 9510 2-in-1
Intel Core i7-10810U
0.717 sec * ∼100%
Average Intel Core i7-10710U
 
0.649 sec * ∼91% +9%

* ... smaller is better

3DMark
1280x720 Cloud Gate Standard Physics
Dell Latitude 9510 2-in-1
Intel UHD Graphics 620, i7-10810U
10034 Points ∼100%
Average Intel Core i7-10710U
  (6463 - 10583, n=5)
9291 Points ∼93% -7%
1920x1080 Fire Strike Physics
Average Intel Core i7-10710U
  (13195 - 15892, n=5)
14736 Points ∼100% +41%
Dell Latitude 9510 2-in-1
Intel UHD Graphics 620, i7-10810U
10456 Points ∼71%
3DMark 11 - 1280x720 Performance Physics
Average Intel Core i7-10710U
  (10012 - 13081, n=6)
11161 Points ∼100% +5%
Dell Latitude 9510 2-in-1
Intel UHD Graphics 620, i7-10810U
10599 Points ∼95%

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Allen Ngo
Allen Ngo - Lead Editor U.S. - 4636 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.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2020 07 > Our first Core i7-10810U benchmarks are in and they are not great
Allen Ngo, 2020-07-22 (Update: 2020-07-21)