Intel Core i9-10900 vs Intel Core i9-7940X

Compare Intel 10th Generation Core i9 10 core CPU vs Intel Core X-series 14 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 390.77
$ 300.00
$ 90.77 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

7582 points
45% significantly better overall score
5222 points

Gaming Score

The raw gaming performance with a fast GPU

8692 points
40% slightly better gaming score
6170 points

Multitasking Score

Performance in workloads using up to 8 cores

7207 points
45% significantly better multitasking score
4938 points

Heavy Workload Score

Performance in workloads using up to 16 cores

7099 points
44% significantly better heavy workload score
4896 points

Free CPU Benchmark

Want to compare your processor against the Core i9-10900 and the Core i9-7940X? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

164.66 points
261.54 points
58% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

7743 points
9233 points
19% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1567 points
20% slightly higher Geekbench 5 (single) score
1299 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

8309 points
10511 points
26% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1714 points
18% slightly higher Geekbench 6 (single) score
1444 points

Specifications

Cores

Number of physical processing units

10
14
40% slightly more cores

Threads

Number of logical processing units

20
28
40% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.8 GHz
3.1 GHz
10% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz
20% slightly higher turbo speed
4.3 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
153% significantly 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

640 KiB
896 KiB
40% slightly more L1 cache

L3 Cache

General memory pool for all cores

20 MiB
25 MiB
25% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

163rd of 1,089
324th of 1,089

Family

The product line

10th Generation Core i9
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

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i9-10900 vs Core i9-7940X comparison

According to the hardwareDB Benchmark tool, the Core i9-10900 is faster 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 slightly more cores with 14 cores whereas the Core i9-10900 has 10 cores. It also has more threads than the Core i9-10900. Our comparison shows that the Core i9-7940X has a slightly higher clock speed compared to the Core i9-10900. Despite this, the Core i9-10900 has a slightly higher turbo speed. A Core i9-10900 CPU outputs less heat than a Core i9-7940X CPU because of its significantly 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 i9-10900 has more threads than cores. Each physical core is split into multiple threads.

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