Intel Core i7-11700 vs Intel Core i9-9820X

Compare Intel 11th Generation Core i7 8 core CPU vs Intel Core X-series 10 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

7093 points
1% slightly better overall score
6987 points

Gaming Score

The raw gaming performance with a fast GPU

9522 points
24% slightly better gaming score
7678 points

Multitasking Score

Performance in workloads using up to 8 cores

6319 points
6735 points
6% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6131 points
6649 points
8% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-11700 and the Core i9-9820X? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

163.14 points
204.52 points
25% slightly higher Blender score

Specifications

Cores

Number of physical processing units

8
10
25% slightly more cores

Threads

Number of logical processing units

16
20
25% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.5 GHz
3.3 GHz
32% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.9 GHz
19% slightly higher turbo speed
4.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

95 W
73% significantly lower TDP
165 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
44
120% 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
Identical
640 KiB

L3 Cache

General memory pool for all cores

16 MiB
220% significantly more L3 cache
5 MiB

Other details

Rank

Ranking in the hardwareDB database

184th of 1,089
195th of 1,089

Family

The product line

11th Generation Core i7
Core X-series

Release date

The official date of release of this chip

2021 February
2018 November

Memory Type

The type of memory used by this chip

DDR4-3200
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 i7-11700 vs Core i9-9820X comparison

According to the hardwareDB Benchmark tool, the Core i7-11700 is faster than the Core i9-9820X. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9820X in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-9820X has slightly more cores than the Core i7-11700. Indeed, the Core i9-9820X has 10 cores compared to 8 cores found in the Core i7-11700. It also has more threads than the Core i7-11700. These CPUs have different clock speeds. Indeed, the Core i9-9820X has a slightly higher clock speed compared to the Core i7-11700. Despite this, the Core i7-11700 has a slightly higher turbo speed. A Core i7-11700 CPU outputs less heat than a Core i9-9820X 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 i7-11700 has more threads than cores. Each physical core is split into multiple threads.

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