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9 W Core i7-1180G7 vs. 28 W Core i7-1185G7: What's The Performance Deficit?

Core i7-1180G7 vs. Core i7-1185G7: Huge performance difference
Core i7-1180G7 vs. Core i7-1185G7: Huge performance difference
The 9 W part isn't as far behind as one might presume depending on the workload involved. The Core i7-1180G7 can be surprisingly close to the i7-1185G7 when it comes to integrated graphics performance and single-threaded workloads.

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The Tiger Lake-U family has expanded from the original Core i3-1115G4, Core i5-1135G7, and Core i7-1165G7 triplet to include many more like the i5-1145G7 and i7-1185G7 each with vPro features. The latest set of SKUs to join the family is the i3-1110G4, i5-1130G7, and i7-1180G7 also with vPro features. Their performance levels, however, leave a lot to be desired.

Our example focuses on the new Core i7-1180G7 and older Core i7-1185G7. Although their names are almost exactly the same, the i7-1180G7 will perform much slower than the i7-1185G7 in multi-threaded loads. Its base clock rate of just 2.2 GHz pales in comparison to the 3.0 GHz i7-1185G7 leading to 40 percent slower performance in multi-thread heavy workloads. The performance delta is wide enough that a standard i5-1135G7 can handily beat the i7-1180G7 even though their nomenclature may suggest otherwise.

CPU Core i7-1180G7 vPro Core i7-1185G7 vPro 
Clock Rate 2.2 - 4.63.0 - 4.8 GHz
L1 Cache 320 KB320 KB
L2 Cache 5 MB5 MB
L3 Cache 12 MB 12 MB
TDP 9 W 28 W
Integrated GPU Iris Xe 96 EUs
400 - 1100 MHz 
Iris Xe 96 EUs
400 - 1350 MHz
Cores/Threads 4/84/8
CodenameTiger Lake UP4 Tiger Lake UP3

Fortunately, the performance deficit appears to be limited only to multi-threaded loads. Single-thread and integrated Iris Xe graphics performance on the i7-1180G7 are both very close to the i7-1185G7. It's still a lot of graphics power when you consider that the i7-1180G7 is just a 9 W TDP part.

We suspect that Intel introduced these very low-power CPU SKUs specifically for small form factors like tablets or mini PCs. Our first i7-1180G7 test sample, for example, happens to be Dell Latitude 7320 Windows 10 tablet. It'll be interesting to see how many OEMs will even utilize these 9 W solutions as Microsoft has proven that tablets like the Surface Pro can run just fine on 15 W to 28 W Tiger Lake-U CPUs.

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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
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)
Average Intel Core i7-1185G7
  (1425 - 2493, n=21)
2056 Points ∼100% +58%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
1573 Points ∼77% +21%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
1301 Points ∼63%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
1178 Points ∼57% -9%
Cinebench R20 / CPU (Single Core)
Average Intel Core i7-1185G7
  (489 - 593, n=21)
558 Points ∼100% +13%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
501 Points ∼90% +2%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
492 Points ∼88%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
413 Points ∼74% -16%
Cinebench R23 / CPU (Multi Core)
Average Intel Core i7-1185G7
  (3610 - 6383, n=17)
5378 Points ∼100% +57%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
4125 Points ∼77% +20%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
3434 (3353.56min - 3433.81max) Points ∼64%
Cinebench R23 / CPU (Single Core)
Average Intel Core i7-1185G7
  (1251 - 1525, n=17)
1450 Points ∼100% +13%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
1305 Points ∼90% +2%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
1280 Points ∼88%
Cinebench R15 / CPU Multi 64Bit
Average Intel Core i7-1185G7
  (617 - 1066, n=25)
872 Points ∼100% +59%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
784 Points ∼90% +43%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
549 (516.81min - 549.29max) Points ∼63%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
527 (466.1min - 527.11max) Points ∼60% -4%
Cinebench R15 / CPU Single 64Bit
Average Intel Core i7-1185G7
  (168 - 230, n=20)
216 Points ∼100% +15%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
188 Points ∼87% 0%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
188 Points ∼87%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
161 Points ∼75% -14%
Blender 2.79 / BMW27 CPU
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
944 Seconds * ∼100% -12%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
844 Seconds * ∼89%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
735 Seconds * ∼78% +13%
Average Intel Core i7-1185G7
  (478 - 745, n=21)
586 Seconds * ∼62% +31%
7-Zip 18.03 / 7z b 4 -mmt1
Average Intel Core i7-1185G7
  (3678 - 5507, n=20)
5110 MIPS ∼100% 0%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
5108 MIPS ∼100%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
4313 MIPS ∼84% -16%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
3932 MIPS ∼77% -23%
7-Zip 18.03 / 7z b 4
Average Intel Core i7-1185G7
  (18812 - 27693, n=20)
23381 MIPS ∼100% +19%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
22950 MIPS ∼98% +16%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
19703 MIPS ∼84%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
13715 MIPS ∼59% -30%
Geekbench 5.3 / 64 Bit Single-Core Score
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
1525 Points ∼100%
Average Intel Core i7-1185G7
  (882 - 1626, n=16)
1484 Points ∼97% -3%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
1334 Points ∼87% -13%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
1144 Points ∼75% -25%
Geekbench 5.3 / 64 Bit Multi-Core Score
Average Intel Core i7-1185G7
  (3323 - 5944, n=16)
5380 Points ∼100% +1%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
5304 Points ∼99%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
4866 Points ∼90% -8%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
3522 Points ∼65% -34%
HWBOT x265 Benchmark v2.2 / 4k Preset
Average Intel Core i7-1185G7
  (5.02 - 8.13, n=20)
6.6 fps ∼100% +40%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
6.09 fps ∼92% +30%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
4.7 fps ∼71%
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
3.89 fps ∼59% -17%
LibreOffice / 20 Documents To PDF
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
64.5 s * ∼100% -28%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
57.2 s * ∼89% -14%
Average Intel Core i7-1185G7
  (41.3 - 61.7, n=19)
50.9 s * ∼79% -1%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
50.2 s * ∼78%
R Benchmark 2.5 / Overall mean
Microsoft Surface Laptop Go Core i5
Intel Core i5-1035G1
0.743 sec * ∼100% -15%
Microsoft Surface Pro 7 Plus
Intel Core i5-1135G7
0.68 sec * ∼92% -5%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Core i7-1180G7
0.646 sec * ∼87%
Average Intel Core i7-1185G7
  (0.55 - 0.615, n=20)
0.583 sec * ∼78% +10%

* ... smaller is better

3DMark
1920x1080 Fire Strike Graphics
Average Intel Iris Xe Graphics G7 96EUs
  (3113 - 5909, n=64)
4919 Points ∼100% +1%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Iris Xe Graphics G7 96EUs, i7-1180G7
4893 Points ∼99%
Microsoft Surface Pro 7 Plus
Intel Iris Xe Graphics G7 80EUs, i5-1135G7
4652 Points ∼95% -5%
Microsoft Surface Laptop Go Core i5
Intel UHD Graphics G1 (Ice Lake 32 EU), i5-1035G1
1713 Points ∼35% -65%
2560x1440 Time Spy Graphics
Average Intel Iris Xe Graphics G7 96EUs
  (994 - 1819, n=64)
1453 Points ∼100% +10%
Microsoft Surface Pro 7 Plus
Intel Iris Xe Graphics G7 80EUs, i5-1135G7
1376 Points ∼95% +4%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Iris Xe Graphics G7 96EUs, i7-1180G7
1324 Points ∼91%
Microsoft Surface Laptop Go Core i5
Intel UHD Graphics G1 (Ice Lake 32 EU), i5-1035G1
440 Points ∼30% -67%
2560x1440 Time Spy Score
Average Intel Iris Xe Graphics G7 96EUs
  (1121 - 2007, n=62)
1608 Points ∼100% +11%
Microsoft Surface Pro 7 Plus
Intel Iris Xe Graphics G7 80EUs, i5-1135G7
1537 Points ∼96% +7%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Iris Xe Graphics G7 96EUs, i7-1180G7
1443 Points ∼90%
Microsoft Surface Laptop Go Core i5
Intel UHD Graphics G1 (Ice Lake 32 EU), i5-1035G1
505 Points ∼31% -65%
3DMark 11
1280x720 Performance GPU
Average Intel Iris Xe Graphics G7 96EUs
  (4841 - 7090, n=58)
6423 Points ∼100% +17%
Microsoft Surface Pro 7 Plus
Intel Iris Xe Graphics G7 80EUs, i5-1135G7
5926 Points ∼92% +8%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Iris Xe Graphics G7 96EUs, i7-1180G7
5483 Points ∼85%
Microsoft Surface Laptop Go Core i5
Intel UHD Graphics G1 (Ice Lake 32 EU), i5-1035G1
2280 Points ∼35% -58%
1280x720 Performance Combined
Microsoft Surface Pro 7 Plus
Intel Iris Xe Graphics G7 80EUs, i5-1135G7
5967 Points ∼100% +56%
Average Intel Iris Xe Graphics G7 96EUs
  (2912 - 7160, n=57)
5347 Points ∼90% +40%
Dell Latitude 13 7320 Detachable, i7-1180G7
Intel Iris Xe Graphics G7 96EUs, i7-1180G7
3823 Points ∼64%
Microsoft Surface Laptop Go Core i5
Intel UHD Graphics G1 (Ice Lake 32 EU), i5-1035G1
1989 Points ∼33% -48%
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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.
contact me via: @AllenNgoNBC
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 06 > 9 W Core i7-1180G7 vs. 28 W Core i7-1185G7: What's The Performance Deficit?
Allen Ngo, 2021-06-16 (Update: 2021-06-15)