Intel Core i9-11900K vs Intel Core i5-13450HX

Compare Intel 11th Generation Core i9 8 core CPU vs Intel 13th Generation Core i5 10 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

8281 points
8283 points
0.02% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10754 points
0.41% slightly better gaming score
10710 points

Multitasking Score

Performance in workloads using up to 8 cores

7475 points
7509 points
0.45% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

7270 points
7317 points
0.65% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-11900K and the Core i5-13450HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

212.26 points
9% slightly higher Blender score
192.97 points

Specifications

Cores

Number of physical processing units

8
10
25% slightly more cores

Threads

Number of logical processing units

16
Identical
16

Clock Speed

Base frequency at which the chip operates

3.5 GHz
45% significantly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.3 GHz
15% slightly higher turbo speed
4.6 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
Identical
20

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
Identical
128 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB
9.5 MiB
137% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
20 MiB
25% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

136th of 1,089
135th of 1,089

Family

The product line

11th Generation Core i9
13th Generation Core i5

Release date

The official date of release of this chip

2021 February
2023 February

Memory Type

The type of memory used by this chip

DDR4-3200
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

No
-

Core i9-11900K vs Core i5-13450HX comparison

In our benchmarks, the Core i9-11900K beats the Core i5-13450HX in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-13450HX in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i5-13450HX has slightly more cores with 10 cores compared to the Core i9-11900K that has 8 cores. But they both have the same number of threads. These CPUs have different clock speeds. Indeed, the Core i9-11900K has a significantly higher clock speed compared to the Core i5-13450HX. Also, the Core i9-11900K has a slightly higher turbo speed. In terms of cache, the Core i5-13450HX has significantly more L2 cache when compared to the Core i9-11900K. The Core i5-13450HX also has slightly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i9-11900K has more threads than cores. Each physical core is split into multiple threads.

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