Intel Core i7-8665U vs Intel Core i9-12900T

Compare Intel 8th Generation Core i7 4 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

2271 points
6632 points
192% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3777 points
7128 points
88% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

1836 points
6506 points
254% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

1758 points
6504 points
269% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8665U and the Core i9-12900T? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

45.82 points
188.94 points
312% significantly higher Blender score

Specifications

Cores

Number of physical processing units

4
16
300% significantly more cores

Threads

Number of logical processing units

8
24
200% significantly more threads

Clock Speed

Base frequency at which the chip operates

1.9 GHz
37% slightly higher clock speed
1.38 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
4.9 GHz
2% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
133% significantly lower TDP
35 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
20
25% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
128 GiB
100% significantly more supported memory

Other details

Rank

Ranking in the hardwareDB database

669th of 1,089
214th of 1,089

Family

The product line

8th Generation Core i7
12th Generation Core i9

Release date

The official date of release of this chip

2019 May
2022 February

Memory Type

The type of memory used by this chip

DDR4-2400
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

-
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core i7-8665U vs Core i9-12900T benchmarks

According to the hardwareDB Benchmark tool, the Core i7-8665U is faster than the Core i9-12900T. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-12900T in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-12900T has significantly more cores than the Core i7-8665U. Indeed, the Core i9-12900T has 16 cores compared to 4 cores found in the Core i7-8665U. It also has more threads than the Core i7-8665U. Our comparison shows that the Core i7-8665U has a slightly higher clock speed compared to the Core i9-12900T. Despite this, the Core i9-12900T has a slightly higher turbo speed. A Core i7-8665U CPU outputs less heat than a Core i9-12900T CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

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 i7-8665U has more threads than cores. Each physical core is split into multiple threads.

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