Intel Core i7-10700KF vs Intel Core i9-7940X

Compare Intel 10th Generation Core i7 8 core CPU vs Intel Core X-series 14 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Price

The cheapest price from our partner retailers

$ 245.99
$ 54.01 slightly less expensive
$ 300.00

Benchmark Score

Overall Score

A combined score of all workloads

7179 points
37% slightly better overall score
5222 points

Gaming Score

The raw gaming performance with a fast GPU

8706 points
41% slightly better gaming score
6170 points

Multitasking Score

Performance in workloads using up to 8 cores

6665 points
34% slightly better multitasking score
4938 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6515 points
33% slightly better heavy workload score
4896 points

Free CPU Benchmark

Want to compare your processor against the Core i7-10700KF and the Core i9-7940X? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

172.73 points
261.54 points
51% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

8224 points
9233 points
12% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1675 points
28% slightly higher Geekbench 5 (single) score
1299 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

8135 points
10511 points
29% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1723 points
19% slightly higher Geekbench 6 (single) score
1444 points

Specifications

Cores

Number of physical processing units

8
14
75% significantly more cores

Threads

Number of logical processing units

16
28
75% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.8 GHz
22% slightly higher clock speed
3.1 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz
18% slightly higher turbo speed
4.3 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

125 W
32% slightly lower TDP
165 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
44
175% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
4
100% significantly more memory channels

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
896 KiB
75% significantly more L1 cache

L3 Cache

General memory pool for all cores

16 MiB
25 MiB
56% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

179th of 1,089
324th of 1,089

Family

The product line

10th Generation Core i7
Core X-series

Release date

The official date of release of this chip

2020 May
2017 August

Memory Type

The type of memory used by this chip

DDR4-2933
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-10700KF vs Core i9-7940X comparison

Our benchmark analysis concludes that the Core i7-10700KF performs better than the Core i9-7940X. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-7940X in all gaming tests too.

With info from our database, we find that the Core i9-7940X has significantly more cores with 14 cores whereas the Core i7-10700KF has 8 cores. It also has more threads than the Core i7-10700KF. Our comparison shows that the Core i7-10700KF has a slightly higher clock speed compared to the Core i9-7940X. Also, the Core i7-10700KF has a slightly higher turbo speed. A Core i7-10700KF CPU outputs less heat than a Core i9-7940X CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

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 i7-10700KF has more threads than cores. Each physical core is split into multiple threads.

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