Intel Core i9-14900HX vs Intel Core i9-12900

Compare Intel Core i9 (14th gen) 24 core CPU vs Intel 12th Generation Core i9 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

10999 points
11471 points
4% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

11453 points
13241 points
15% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

10950 points
0.32% slightly better multitasking score
10915 points

Heavy Workload Score

Performance in workloads using up to 16 cores

11076 points
2% slightly better heavy workload score
10835 points

Free CPU Benchmark

Want to compare your processor against the Core i9-14900HX and the Core i9-12900? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

12548 points
14% slightly higher 3DMark Physics score
10922 points
Blender score

Blender score

Cycles Render (Samples per minute)

340.82 points
21% slightly higher Blender score
281.66 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

15507 points
17% slightly higher Geekbench 6 (multi) score
13170 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2661 points
5% slightly higher Geekbench 6 (single) score
2513 points

Specifications

Cores

Number of physical processing units

24
49% significantly more cores
16

Threads

Number of logical processing units

32
33% slightly more threads
24

Clock Speed

Base frequency at which the chip operates

2.2 GHz
2.4 GHz
9% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.8 GHz
13% slightly higher turbo speed
5.1 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

192 GiB
49% significantly more supported memory
128 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

32 MiB
128% significantly more L2 cache
14 MiB

L3 Cache

General memory pool for all cores

36 MiB
20% slightly more L3 cache
30 MiB

Other details

Rank

Ranking in the hardwareDB database

69th of 1,089
59th of 1,089

Family

The product line

Core i9 (14th gen)
12th Generation Core i9

Release date

The official date of release of this chip

2024 February
2022 February

Memory Type

The type of memory used by this chip

DDR5-5600
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

-
Yes

Supports ECC memory

Does this CPU support error correcting memory

-
Yes

Core i9-14900HX vs Core i9-12900 specs and performance

In our benchmarks, the Core i9-12900 beats the Core i9-14900HX in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-14900HX in all gaming tests too.

With info from our database, we find that the Core i9-14900HX has significantly more cores with 24 cores whereas the Core i9-12900 has 16 cores. It also has more threads than the Core i9-12900. Our comparison shows that the Core i9-12900 has a slightly higher clock speed compared to the Core i9-14900HX. Despite this, the Core i9-14900HX has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core i9-14900HX has significantly more L2 cache than the Core i9-12900. The Core i9-14900HX also has slightly 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. Indeed, the Core i9-14900HX has more threads than cores. Each physical core is split into multiple threads.

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