Intel Core i9-9900 vs Intel Core i5-12450HX

Compare Intel 9th Generation Core i9 8 core CPU vs Intel 12th Generation Core i5 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

6105 points

2% slightly better overall score

5938 points

Gaming Score

The raw gaming performance with a fast GPU

7952 points

8351 points

5% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

5494 points

5% slightly better multitasking score

5219 points

Heavy Workload Score

Performance in workloads using up to 16 cores

5338 points

5% slightly better heavy workload score

5059 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

148.10 points

12% slightly higher Blender score

131.60 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.1 GHz

29% slightly higher clock speed

2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz

13% slightly higher turbo speed

4.4 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W

55 W

18% slightly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

25% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

Identical

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB

Identical

128 GiB

L1 Cache

Smallest embedded memory, but the fastest

512 KiB

640 KiB

25% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

2 MiB

7 MiB

250% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB

33% slightly more L3 cache

12 MiB

Other details

Rank

Ranking in the hardwareDB database

260th of 1,118

269th of 1,118

Family

The product line

9th Generation Core i9

12th Generation Core i5

Release date

The official date of release of this chip

2019 May

2022 May

Memory Type

The type of memory used by this chip

DDR4-2666

DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core i9-9900 vs Core i5-12450HX comparison

Our benchmark analysis concludes that the Core i9-9900 performs better than the Core i5-12450HX. Despite this, the Core i5-12450HX has the advantage in our gaming benchmark.

Our spec comparison shows that they have an identical amount of cores but the Core i9-9900 has more threads. Our comparison shows that the Core i9-9900 has a slightly higher clock speed compared to the Core i5-12450HX. Also, the Core i9-9900 has a slightly higher turbo speed. The Core i5-12450HX outputs less heat than Core i9-9900 thanks to a slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Core i5-12450HX has more L2 cache than the Core i9-9900. Despite this, the Core i9-9900 has slightly more L3 cache compared to the Core i5-12450HX.

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 i9-9900 has more threads than cores. Each physical core is split into multiple threads.