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HP OmniBook 5 16 vs. Dell 16 Plus: Lunar Lake-V makes all the difference

The Arrow Lake-U CPU in the the OmniBook 5 16 really drags down the system when compared to the Dell 16 Plus (Image source: HP)
The Arrow Lake-U CPU in the the OmniBook 5 16 really drags down the system when compared to the Dell 16 Plus (Image source: HP)
For just $50 more, the Dell 16 Plus offers significantly faster graphics and NPU performance than the HP without requiring additional power.

The HP OmniBook 5 16 and Dell 16 Plus are each on sale for around $650 to $700 sporting Intel Arrow Lake-U Core Ultra 7 255U and Lunar Lake-V Core Ultra 7 256V processors, respectively. Both are budget to low midrange general purpose multimedia laptops for moderate multitasking or home streaming scenarios. If we could choose over the other, however, the HP loses a lot of steam.

If performance is of utmost importance, then the Dell 16 Plus takes the lead without question. Its Core Ultra 7 256V CPU runs roughly 10 percent faster than the Core Ultra 7 255U in the HP when it comes to multi-threaded performance and up to 90 percent faster when it comes to gaming or integrated graphics performance as shown by the comparison graphs below. The latter is particularly noteworthy as users might anticipate the Dell 16 Plus consuming much more power in the process, but in reality both systems run comfortably at around 40 W each when under load for a significant performance-per-watt advantage in favor of Dell.

The differences don't end there, either. The integrated NPU in the Core Ultra 7 256V peaks at 47 TOPS compared to only 12 TOPS on the Core Ultra 7 255U for faster AI-accelerated tasks. Co-Pilot+ is therefore better optimized for the Dell system than on the HP.

There are many other differences beyond simply the CPU as well including their displays. Check out our full reviews on the Dell 16 Plus and HP OmniBook 5 16 for more details and comparisons. 

Cinebench R15 Multi Loop

0801602403204004805606407208008809601040112012001280136014401520Tooltip
HP Omnibook 5 16-af1037nr Intel Core Ultra 7 255U: Ø1256 (1159.96-1506.48)
Dell 16 Plus Intel Core Ultra 7 256V: Ø1237 (1194.6-1538.58)
CPU Performance rating: Percent
Cinebench R23: Multi Core | Single Core
Cinebench R20: CPU (Multi Core) | CPU (Single Core)
Cinebench R15: CPU Multi 64Bit | CPU Single 64Bit
Blender: v2.79 BMW27 CPU
7-Zip 18.03: 7z b 4 | 7z b 4 -mmt1
Geekbench 6.5: Multi-Core | Single-Core
Geekbench 5.5: Multi-Core | Single-Core
HWBOT x265 Benchmark v2.2: 4k Preset
LibreOffice : 20 Documents To PDF
R Benchmark 2.5: Overall mean
Geekbench AI: Quantized GPU 1.5 | Half Precision GPU 1.5 | Single Precision GPU 1.5
CPU Performance rating
Dell 16 Plus
Intel Core Ultra 7 256V
83.5 pt
Average Intel Core Ultra 7 255U
 
73.9 pt
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
72.4 pt
Cinebench R23 / Multi Core
Average Intel Core Ultra 7 255U
  (8586 - 12157, n=4)
10343 Points +14%
Dell 16 Plus
Intel Core Ultra 7 256V
9775 (8318.03min - 9775.17max) Points +8%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
9049 (7720.73min - 9049.41max) Points
Cinebench R23 / Single Core
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
1872 Points
Average Intel Core Ultra 7 255U
  (1717 - 1915, n=4)
1833 Points -2%
Dell 16 Plus
Intel Core Ultra 7 256V
1799 Points -4%
Cinebench R20 / CPU (Multi Core)
Average Intel Core Ultra 7 255U
  (3178 - 4714, n=4)
3959 Points +14%
Dell 16 Plus
Intel Core Ultra 7 256V
3822 Points +10%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
3486 Points
Cinebench R20 / CPU (Single Core)
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
710 Points
Average Intel Core Ultra 7 255U
  (657 - 738, n=4)
702 Points -1%
Dell 16 Plus
Intel Core Ultra 7 256V
700 Points -1%
Cinebench R15 / CPU Multi 64Bit
Average Intel Core Ultra 7 255U
  (1490 - 1957, n=4)
1701 Points +13%
Dell 16 Plus
Intel Core Ultra 7 256V
1539 (1194.6min - 1538.58max) Points +2%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
1506 (1159.96min - 1506.48max) Points
Cinebench R15 / CPU Single 64Bit
Dell 16 Plus
Intel Core Ultra 7 256V
275 Points +6%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
260 Points
Average Intel Core Ultra 7 255U
  (244 - 260, n=4)
252 Points -3%
Blender / v2.79 BMW27 CPU
Dell 16 Plus
Intel Core Ultra 7 256V
365 Seconds * -3%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
354 Seconds *
Average Intel Core Ultra 7 255U
  (315 - 418, n=4)
352 Seconds * +1%
7-Zip 18.03 / 7z b 4
Average Intel Core Ultra 7 255U
  (33768 - 44657, n=4)
38854 MIPS +15%
Dell 16 Plus
Intel Core Ultra 7 256V
33926 MIPS 0%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
33768 MIPS
7-Zip 18.03 / 7z b 4 -mmt1
Dell 16 Plus
Intel Core Ultra 7 256V
5528 MIPS +8%
Average Intel Core Ultra 7 255U
  (5099 - 5227, n=4)
5161 MIPS +1%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
5111 MIPS
Geekbench 6.5 / Multi-Core
Dell 16 Plus
Intel Core Ultra 7 256V
10803 Points +3%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
10538 Points
Average Intel Core Ultra 7 255U
  (9040 - 11075, n=4)
10269 Points -3%
Geekbench 6.5 / Single-Core
Dell 16 Plus
Intel Core Ultra 7 256V
2763 Points +15%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
2412 Points
Average Intel Core Ultra 7 255U
  (2223 - 2523, n=4)
2405 Points 0%
Geekbench 5.5 / Multi-Core
Dell 16 Plus
Intel Core Ultra 7 256V
9564 Points 0%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
9554 Points
Average Intel Core Ultra 7 255U
  (7957 - 10220, n=4)
9422 Points -1%
Geekbench 5.5 / Single-Core
Dell 16 Plus
Intel Core Ultra 7 256V
2000 Points +12%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
1780 Points
Average Intel Core Ultra 7 255U
  (1616 - 1859, n=4)
1755 Points -1%
HWBOT x265 Benchmark v2.2 / 4k Preset
Dell 16 Plus
Intel Core Ultra 7 256V
11.9 fps +11%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
10.7 fps
Average Intel Core Ultra 7 255U
  (6.6 - 13.1, n=4)
10.6 fps -1%
LibreOffice / 20 Documents To PDF
Average Intel Core Ultra 7 255U
  (47.3 - 60.5, n=4)
51.2 s * -5%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
48.7 s *
Dell 16 Plus
Intel Core Ultra 7 256V
45.4 s * +7%
R Benchmark 2.5 / Overall mean
Average Intel Core Ultra 7 255U
  (0.4635 - 0.591, n=4)
0.4968 sec * -7%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
0.4635 sec *
Dell 16 Plus
Intel Core Ultra 7 256V
0.439 sec * +5%
Geekbench AI / Quantized GPU 1.5
Dell 16 Plus
Intel Core Ultra 7 256V
5239 Points +71%
Average Intel Core Ultra 7 255U
  (3050 - 4429, n=4)
3415 Points +12%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
3058 Points
Geekbench AI / Half Precision GPU 1.5
Dell 16 Plus
Intel Core Ultra 7 256V
15024 Points +129%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
6566 Points
Average Intel Core Ultra 7 255U
  (6243 - 6571, n=4)
6434 Points -2%
Geekbench AI / Single Precision GPU 1.5
Dell 16 Plus
Intel Core Ultra 7 256V
7813 Points +73%
HP Omnibook 5 16-af1037nr
Intel Core Ultra 7 255U
4514 Points
Average Intel Core Ultra 7 255U
  (3020 - 4581, n=4)
4161 Points -8%

* ... smaller is better

3DMark Performance rating - Percent
Dell 16 Plus -1!
Intel Arc Graphics 140V, Intel Core Ultra 7 256V
100 pt
HP Omnibook 5 16-af1037nr -1!
Intel Graphics 4-Core iGPU (Arrow Lake), Intel Core Ultra 7 255U
65.5 pt
Average Intel Graphics 4-Core iGPU (Arrow Lake)
 
59.5 pt
3DMark 11 - 1280x720 Performance GPU
Dell 16 Plus
Intel Arc Graphics 140V, Intel Core Ultra 7 256V
11286 Points
Average Intel Graphics 4-Core iGPU (Arrow Lake)
  (4520 - 7109, n=26)
6202 Points
3DMark
1280x720 Cloud Gate Standard Graphics
HP Omnibook 5 16-af1037nr
Intel Graphics 4-Core iGPU (Arrow Lake), Intel Core Ultra 7 255U
32190 Points
Average Intel Graphics 4-Core iGPU (Arrow Lake)
  (22976 - 33120, n=21)
28200 Points -12%
1920x1080 Fire Strike Graphics
Dell 16 Plus
Intel Arc Graphics 140V, Intel Core Ultra 7 256V
9682 Points +85%
HP Omnibook 5 16-af1037nr
Intel Graphics 4-Core iGPU (Arrow Lake), Intel Core Ultra 7 255U
5245 Points
Average Intel Graphics 4-Core iGPU (Arrow Lake)
  (3838 - 5554, n=28)
4907 Points -6%
2560x1440 Time Spy Graphics
Dell 16 Plus
Intel Arc Graphics 140V, Intel Core Ultra 7 256V
3646 Points +90%
HP Omnibook 5 16-af1037nr
Intel Graphics 4-Core iGPU (Arrow Lake), Intel Core Ultra 7 255U
1920 Points
Average Intel Graphics 4-Core iGPU (Arrow Lake)
  (1530 - 2144, n=28)
1854 Points -3%
2560x1440 Time Spy Score
Dell 16 Plus
Intel Arc Graphics 140V, Intel Core Ultra 7 256V
3890 Points +81%
HP Omnibook 5 16-af1037nr
Intel Graphics 4-Core iGPU (Arrow Lake), Intel Core Ultra 7 255U
2149 Points
Average Intel Graphics 4-Core iGPU (Arrow Lake)
  (1737 - 2397, n=28)
2069 Points -4%

Power Consumption Cyberpunk / Stress Test

05101520253035404550556065Tooltip
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); 1280x720 Prime95 28.10 and Furmark 1.25: Ø42.4 (36.3-66.1)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; 1280x720 Prime95 28.10 and Furmark 1.25: Ø42.9 (38.2-62.6)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Idle 150cd/m2: Ø6.23 (5.53-8.08)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; Idle 150cd/m2: Ø5.39 (4.83-8.36)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Cyberpunk 2077 FHD ultra no FSR 150cd: Ø39.5 (39-40.5)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; Cyberpunk 2077 FHD ultra no FSR 150cd: Ø41.4 (38.6-51.4)

Power Consumption external Monitor

05101520253035404550556065Tooltip
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Prime95 V2810 Stress (external Monitor): Ø38.2 (33.4-66.3)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; Prime95 V2810 Stress (external Monitor): Ø39.1 (34.2-58.7)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Cinebench R15 Multi (external Monitor): Ø49.7 (32.3-66.1)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; Cinebench R15 Multi (external Monitor): Ø51.2 (34.4-58.1)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Cinebench R23 Multi (external Monitor): Ø37.1 (29.8-66)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); 1280x720 FurMark 1.19 GPU Stress Test (external Monitor): Ø30.6 (29.2-34.2)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; 1280x720 FurMark 1.19 GPU Stress Test (external Monitor): Ø40.2 (31.8-46.3)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Idle 1min (external Monitor): Ø4.87 (3.93-7.1)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; Idle 1min (external Monitor): Ø3.83 (3.37-5.43)
HP Omnibook 5 16-af1037nr Ultra 7 255U, Graphics 4-Core iGPU (Arrow Lake); Cyberpunk 2077 FHD ultra no FSR (external Monitor): Ø35.9 (35.3-36.7)
Dell 16 Plus Core Ultra 7 256V, Arc 140V; Cyberpunk 2077 FHD ultra no FSR (external Monitor): Ø38 (36.2-41.1)
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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 12 > HP OmniBook 5 16 vs. Dell 16 Plus: Lunar Lake-V makes all the difference
Allen Ngo, 2025-12-21 (Update: 2025-12-21)