Intel Core Ultra 5 245HX vs Intel Core Ultra 7 251HX
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Compared 2 processors: Intel Core Ultra 5 245HX, vs Intel Core Ultra 7 251HX. Below are specs, tests, pros and cons for each device
Tests & specs
Specs & test comparison
Benchmarks
CPU performance comparison across tasks
Cinebench R23 (Single-Core)
Intel Core Ultra 5 245HX
1996
Intel Core Ultra 7 251HX
n/a
Cinebench R23 (Multi-Core)
Intel Core Ultra 5 245HX
20944
Intel Core Ultra 7 251HX
n/a
Cinebench 2024 (Single-Core)
Intel Core Ultra 5 245HX
131
Intel Core Ultra 7 251HX
130
Cinebench 2024 (Single-Core)
Intel Core Ultra 5 245HX
1350
Intel Core Ultra 7 251HX
1762
Geekbench 6 (Single-Core)
Intel Core Ultra 5 245HX
3013
Intel Core Ultra 7 251HX
2970
Intel Core Ultra 5 245HX
13167
Intel Core Ultra 7 251HX
14773
Performance/Watt
Points per watt of PL1 TDP
| Geekbench 6 Multi / W |
239.4 PPW |
268.6 PPW |
| Cinebench 2024 / W |
24.5 PPW |
32 PPW |
| Manufacturer |
Intel |
Intel |
| Announced |
January, 6, 2025 |
April, 1, 2026 |
| Type |
Laptop use |
Laptop use |
| Architecture |
x86-64 |
x86-64 |
| Codename |
Arrow Lake |
Arrow Lake |
| Model number |
245HX |
251HX |
| Integrated GPU |
Graphics |
Arc Graphics (4-Cores) |
| Cores |
6 |
8 |
| Threads |
6 |
6 |
| Frequency |
3.1 GHz |
Array |
| Max Frequency (Turbo) |
5.1 GHz |
5.1 GHz |
| Cores | 8 | 12 |
| Threads | 8 | 12 |
| Frequency | 2.6 GHz | 2.5 GHz |
| Max Frequency (Turbo) | 4.5 GHz | 4.5 GHz |
| Cores count | 14 | 18 |
| Threads count | 14 | 18 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 31x | 29x |
| L1 cache | 112 KB/core | 192 KB/core |
| L2 cache | 2000 KB/core | 2000 KB/core |
| L3 Cache | 24 MB total | 30 MB total |
| Unlocked multiplier | Yes | Yes |
| Process tech. |
3 nm |
3 nm |
| Power (TDP) |
45-55 W |
45-55 W |
| Max TDP (Boost) |
160 W |
160 W |
| Socket |
FCBGA-2114 |
FCBGA-2114 |
| Critical temp. |
105 °C |
105 °C |
| Memory Type |
DDR5-6400 |
DDR5-6400 |
| Max Size |
192 GB |
256 GB |
| Channels |
2 |
2 |
| ECC support |
Yes |
No |
| PCIe Version |
5.0 |
5.0 |
| Max PCIe Lanes |
24 |
24 |
No clear favorite identified yet; updates may follow as new data arrives.
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