Intel Core i7-8700 vs Intel Core i9-9900K

Compare Intel 8th Generation Core i7 6 core CPU vs Intel 9th Generation Core i9 8 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

$ 150.25
$ 199.97 significantly less expensive
$ 350.22

Benchmark Score

Overall Score

A combined score of all workloads

4771 points
6719 points
40% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

6744 points
8223 points
21% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4149 points
6214 points
49% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4005 points
6073 points
51% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8700 and the Core i9-9900K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

4845 points
7038 points
45% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

109.37 points
175.64 points
60% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

5865 points
7957 points
35% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1478 points
1634 points
10% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

5964 points
8053 points
35% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1536 points
1703 points
10% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

6
8
33% slightly more cores

Threads

Number of logical processing units

12
16
33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.2 GHz
3.6 GHz
12% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
5 GHz
8% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
46% significantly lower TDP
95 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
Identical
16

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
Identical
128 GiB

L1 Cache

Smallest embedded memory, but the fastest

384 KiB
512 KiB
33% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

1.5 MiB
2 MiB
33% slightly more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
16 MiB
33% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

368th of 1,089
209th of 1,089

Family

The product line

8th Generation Core i7
9th Generation Core i9

Release date

The official date of release of this chip

2017 November
2018 November

Memory Type

The type of memory used by this chip

DDR4-2666
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 i7-8700 vs Core i9-9900K comparison

According to the hardwareDB Benchmark tool, the Core i9-9900K is faster than the Core i7-8700. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-8700 in all gaming tests too.

With info from our database, we find that the Core i9-9900K has slightly more cores with 8 cores whereas the Core i7-8700 has 6 cores. It also has more threads than the Core i7-8700. These CPUs have different clock speeds. Indeed, the Core i9-9900K has a slightly higher clock speed compared to the Core i7-8700. Also, the Core i9-9900K has a slightly higher turbo speed. A Core i7-8700 CPU outputs less heat than a Core i9-9900K CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Core i9-9900K has slightly more L2 cache than the Core i7-8700. The Core i9-9900K 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 i7-8700 has more threads than cores. Each physical core is split into multiple threads.

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