Intel Core i7-8700K vs AMD Ryzen 9 9900X3D

Compare Intel 8th Generation Core i7 6 core CPU vs AMD Ryzen 9000 Series 12 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

$ 194.00
$ 375.05 significantly less expensive
$ 569.05

Benchmark Score

Overall Score

A combined score of all workloads

5130 points
15772 points
207% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7103 points
15040 points
111% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4499 points
16008 points
255% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4352 points
16094 points
269% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8700K and the Ryzen 9 9900X3D? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

5074 points
13700 points
170% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

126.15 points
466.69 points
269% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

6565 points
20191 points
207% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1621 points
3294 points
103% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

6
12
100% significantly more cores

Threads

Number of logical processing units

12
24
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.7 GHz
4.4 GHz
18% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.7 GHz
5.5 GHz
17% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

95 W
26% slightly lower TDP
120 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

384 KiB
960 KiB
150% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

1.5 MiB
12 MiB
700% significantly more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
128 MiB
966% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

335th of 1,089
19th of 1,089

Family

The product line

8th Generation Core i7
Ryzen 9000 Series

Release date

The official date of release of this chip

2017 November
2025 March

Memory Type

The type of memory used by this chip

DDR4-2666
DDR5

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
-

Core i7-8700K vs Ryzen 9 9900X3D specs and performance

According to the hardwareDB Benchmark tool, the Ryzen 9 9900X3D is faster than the Core i7-8700K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-8700K in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Ryzen 9 9900X3D has significantly more cores with 12 cores compared to the Core i7-8700K that has 6 cores. It also has more threads than the Core i7-8700K. With our hardware info, we find that the Ryzen 9 9900X3D has a slightly higher clock speed than the Core i7-8700K. Also, the Ryzen 9 9900X3D has a slightly higher turbo speed. A Core i7-8700K CPU outputs less heat than a Ryzen 9 9900X3D CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Ryzen 9 9900X3D has more L2 cache than the Core i7-8700K. The Ryzen 9 9900X3D also has significantly more L3 cache.

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 i7-8700K has more threads than cores. Each physical core is split into multiple threads.

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