Intel Core Ultra 7 155U vs AMD Ryzen 7 PRO 7840U

Compare Intel Core Ultra (Series 1) 12 core CPU vs AMD Ryzen 7 PRO 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

4819 points
7028 points
45% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7087 points
8379 points
18% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4161 points
6623 points
59% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4014 points
6517 points
62% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 155U and the Ryzen 7 PRO 7840U? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

94.95 points
164.73 points
73% significantly higher Blender score

Specifications

Cores

Number of physical processing units

12
49% significantly more cores
8

Threads

Number of logical processing units

14
16
14% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.1 GHz
3.30 GHz
57% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
5.1 GHz
6% slightly higher turbo speed

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

10 MiB
25% slightly more L2 cache
8 MiB

L3 Cache

General memory pool for all cores

12 MiB
16 MiB
33% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

364th of 1,089
191st of 1,089

Family

The product line

Core Ultra (Series 1)
Ryzen 7 PRO

Release date

The official date of release of this chip

2023 November
2023 June

Memory Type

The type of memory used by this chip

DDR5-7467
DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

-
No

Supports ECC memory

Does this CPU support error correcting memory

No
-

Core Ultra 7 155U vs Ryzen 7 PRO 7840U specs and performance

Our benchmark analysis concludes that the Ryzen 7 PRO 7840U performs better than the Core Ultra 7 155U. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 155U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 155U has significantly more cores than the Ryzen 7 PRO 7840U. Indeed, the Core Ultra 7 155U has 12 cores compared to 8 cores found in the Ryzen 7 PRO 7840U. Despite this, the Ryzen 7 PRO 7840U has more threads than the Core Ultra 7 155U. Our comparison shows that the Ryzen 7 PRO 7840U has a significantly higher clock speed compared to the Core Ultra 7 155U. Also, the Ryzen 7 PRO 7840U has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 155U has slightly more L2 cache than the Ryzen 7 PRO 7840U. Despite this, the Ryzen 7 PRO 7840U has slightly more L3 cache compared to the Core Ultra 7 155U.

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. Indeed, the Core Ultra 7 155U has more threads than cores. Each physical core is split into multiple threads.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons