Core Ultra 5 125H vs Core Ultra 7 155H: specs and benchmark comparison
Short verdict
Not enough data for a performance conclusion: the database has no comparable benchmarks for this pair. Below are the key differences in official specifications.
Compare with AIAdvantages
Only measured and rated values: a noticeable benchmark gap and specs where more is better.
Where Core Ultra 5 125H is better0
No advantages found in our data.
Where Core Ultra 7 155H is better3
Cores 2 more16 (6P + 10E) vs 14 (4P + 10E)
Threads 4 more22 vs 18
L3 cache 6 MB more24 MB vs 18 MB
Benchmarks
Results are compared within one benchmark, one version and the same conditions. Laptop chip results depend on the laptop model: its maker sets the power limit and cooling.
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom · samples/min, higher is better
Core Ultra 5 125H143 samples/minCore Ultra 7 155H150.1 samples/minNo advantage conclusion: small sample in one of the results.
About the measurement and source
- A · Intel Core Ultra 5 125H
143 samples/min · community measurement, sample 11 · November 15, 2026
Blender Open Data (Blender Foundation)
Median of 11 submissions (0 outliers excluded), interquartile range 97.12–161.22; submissions 2025-07-18 to 2026-02-22; CPU backend. Snapshot 2026-11-15.
- B · Intel Core Ultra 7 155H
150.1 samples/min · community measurement, sample 58 · November 15, 2026
Blender Open Data (Blender Foundation)
Median of 58 submissions (1 outliers excluded), interquartile range 124.22–175.9; submissions 2025-07-23 to 2026-03-04; CPU backend. Snapshot 2026-11-15.
difference = |A − B| ÷ the smaller value × 100%. The 5% noticeable threshold is a UX heuristic, not statistical significance.
Cycles render in Blender Benchmark. Median of the sum of samples per minute over three scenes after removing outliers.
Reference results (14)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 4.2.0CPU, sum of scenes monster + junkshop + classroom | 136 | 180.2 | reference |
| Blender Benchmark 5.1.1CPU, sum of scenes monster + junkshop + classroom | 153.2 | 178.7 | reference |
| Blender Benchmark 5.2.0CPU, sum of scenes monster + junkshop + classroom | 138.4 | 167.1 | reference |
| Blender Benchmark 3.2.1CPU, sum of scenes monster + junkshop + classroom | 119.8 | 181.3 | reference |
| Blender Benchmark 4.0.0CPU, sum of scenes monster + junkshop + classroom | 142.9 | 172 | reference |
| Blender Benchmark 4.1.0CPU, sum of scenes monster + junkshop + classroom | 167 | 177.3 | reference |
| Blender Benchmark 4.3.0CPU, sum of scenes monster + junkshop + classroom | 138.9 | 148.1 | reference |
| Blender Benchmark 4.4.0CPU, sum of scenes monster + junkshop + classroom | 128.8 | 152.2 | reference |
| Blender Benchmark 5.0.0CPU, sum of scenes monster + junkshop + classroom | 97 | 175.1 | reference |
| Blender Benchmark 5.1.0CPU, sum of scenes monster + junkshop + classroom | 142.4 | 124.9 | reference |
| Blender Benchmark 3.4.0CPU, sum of scenes monster + junkshop + classroom | — | 142.3 | no pair |
| Blender Benchmark 3.5.0CPU, sum of scenes monster + junkshop + classroom | — | 180.1 | no pair |
| Blender Benchmark 3.6.0CPU, sum of scenes monster + junkshop + classroom | — | 105.2 | no pair |
| Blender Benchmark 5.3.0CPU, sum of scenes monster + junkshop + classroom | — | 223 | no pair |
Each benchmark version has its own scale: numbers are compared only within a row.
Specifications
Chip maker values. The laptop maker sets the power limit and clocks in each laptop.
| Specification | A · Core Ultra 5 125H | B · Core Ultra 7 155H | Difference |
|---|---|---|---|
| Cores and clocks | |||
| CoresCores of different types may differ in performance. | 14 (4P + 10E) | 16 (6P + 10E) | B: 2 more |
| Threads | 18 | 22 | B: 4 more |
| Base clockFor hybrid Intel CPUs, the P-core base clock is shown. | 1.2 GHz | 1.4 GHz | B: 0.2 GHz more |
| Max clock (Boost/Turbo) | 4.5 GHz | 4.8 GHz | B: 0.3 GHz more |
| Cache | |||
| L3 cache | 18 MB | 24 MB | B: 6 MB more |
| Platform | |||
| Socket | FCBGA2049 | FCBGA2049 | equal |
| Memory and interfaces | |||
| Memory type | DDR5, LPDDR5/x | DDR5, LPDDR5/x | equal |
| Memory channels | 2 | 2 | equal |
| Official memory speedFor controllers that support two generations, the speed for the newer memory type is shown. | 5,600 MT/s | 5,600 MT/s | equal |
| Max memory capacity | 96 GB | 96 GB | equal |
| PCI Express | PCIe 5.0 and 4.0, 28 lanes | PCIe 5.0 and 4.0, 28 lanes | equal |
| Integrated graphics | Intel Arc graphics | Intel Arc graphics | equal |
| Power | |||
| Processor Base Power (Intel) | 28 W | 28 W | equal |
| Maximum Turbo Power (Intel) | 115 W | 115 W | equal |
| Minimum Assured Power (Intel)The lower bound to which the laptop maker can reduce the CPU’s base power. | 20 W | 20 W | equal |
Cores and clocks
Cores
A14 (4P + 10E)
B16 (6P + 10E)
B: 2 moreCores of different types may differ in performance.
Threads
A18
B22
B: 4 moreBase clock
A1.2 GHz
B1.4 GHz
B: 0.2 GHz moreFor hybrid Intel CPUs, the P-core base clock is shown.
Max clock (Boost/Turbo)
A4.5 GHz
B4.8 GHz
B: 0.3 GHz more
Cache
L3 cache
A18 MB
B24 MB
B: 6 MB more
Platform
Socket
AFCBGA2049
BFCBGA2049
equal
Memory and interfaces
Memory type
ADDR5, LPDDR5/x
BDDR5, LPDDR5/x
equalMemory channels
A2
B2
equalOfficial memory speed
A5,600 MT/s
B5,600 MT/s
equalFor controllers that support two generations, the speed for the newer memory type is shown.
Max memory capacity
A96 GB
B96 GB
equalPCI Express
APCIe 5.0 and 4.0, 28 lanes
BPCIe 5.0 and 4.0, 28 lanes
equalIntegrated graphics
AIntel Arc graphics
BIntel Arc graphics
equal
Power
Processor Base Power (Intel)
A28 W
B28 W
equalMaximum Turbo Power (Intel)
A115 W
B115 W
equalMinimum Assured Power (Intel)
A20 W
B20 W
equalThe lower bound to which the laptop maker can reduce the CPU’s base power.
“More” does not always mean “better”: higher power draw or size is a system requirement, not an advantage (such bars are dimmed).
Compare with AI
An AI model reviews the specs and benchmarks of this pair and gives a plain-language verdict on who each model suits.
Questions and answers
Do Intel Core Ultra 5 125H and Intel Core Ultra 7 155H fit the same motherboard?
Both CPUs use the FCBGA2049 socket. Support on a specific board depends on the chipset and BIOS version, so check the board maker’s CPU support list.
How many cores and threads do Intel Core Ultra 5 125H and Intel Core Ultra 7 155H have?
Intel Core Ultra 5 125H: 14 cores / 18 threads. Intel Core Ultra 7 155H: 16 cores / 22 threads (manufacturer data).
Do these CPUs have integrated graphics?
Intel Core Ultra 5 125H: Intel Arc graphics. Intel Core Ultra 7 155H: Intel Arc graphics.
See also
Data sources (2)
- Intel — specifications of Intel Core Ultra 5 125H, specifications of Intel Core Ultra 7 155Hchecked November 7, 2026
- Blender Open Data (Blender Foundation) — benchmark Blender Benchmark 4.2.0, benchmark Blender Benchmark 4.5.0, benchmark Blender Benchmark 5.1.1, benchmark Blender Benchmark 5.2.0, benchmark Blender Benchmark 3.2.1, benchmark Blender Benchmark 4.0.0, benchmark Blender Benchmark 4.1.0, benchmark Blender Benchmark 4.3.0, benchmark Blender Benchmark 4.4.0, benchmark Blender Benchmark 5.0.0, benchmark Blender Benchmark 5.1.0, benchmark Blender Benchmark 3.4.0, benchmark Blender Benchmark 3.5.0, benchmark Blender Benchmark 3.6.0, benchmark Blender Benchmark 5.3.0checked November 14, 2026
How we compare: methodology. Where the data comes from: sources.