Intel Core i3-N305 vs Intel Core Ultra 7 255H

Compare Intel Core i3 N-series 8 core CPU vs Intel Core Ultra (Series 2) 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

2781 points
2788 points
0.25% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

4373 points
26% slightly better gaming score
3457 points

Multitasking Score

Performance in workloads using up to 8 cores

2279 points
2584 points
13% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2166 points
2521 points
16% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i3-N305 and the Core Ultra 7 255H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

43.57 points
212.94 points
388% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

4208 points
13475 points
220% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1145 points
2524 points
120% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

8
16
100% significantly more cores

Threads

Number of logical processing units

8
16
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

1.8 GHz
2 GHz
11% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.8 GHz
5.1 GHz
34% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

9
28
211% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

1
2
100% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

16 GiB
128 GiB
700% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB
28 MiB
599% significantly more L2 cache

L3 Cache

General memory pool for all cores

6 MiB
24 MiB
300% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

573rd of 1,089
572nd of 1,089

Family

The product line

Core i3 N-series
Core Ultra (Series 2)

Release date

The official date of release of this chip

2023 February
2025 February

Memory Type

The type of memory used by this chip

DDR4-3200
DDR5-8400

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i3-N305 vs Core Ultra 7 255H comparison

In our benchmarks, the Core Ultra 7 255H beats the Core i3-N305 in overall performance. Despite this, the Core i3-N305 has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 255H has significantly more cores than the Core i3-N305. Indeed, the Core Ultra 7 255H has 16 cores compared to 8 cores found in the Core i3-N305. It also has more threads than the Core i3-N305. Our comparison shows that the Core Ultra 7 255H has a slightly higher clock speed compared to the Core i3-N305. Also, the Core Ultra 7 255H has a slightly higher turbo speed. The info from our database shows that the Core Ultra 7 255H has more L2 cache than the Core i3-N305. The Core Ultra 7 255H also has significantly more L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. For instance, the Core i3-N305 has the same number of threads as cores. This means the the CPU does not support hyperthreading.

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