Intel Core i7-6700K vs AMD Ryzen 9 9900X3D

Compare Intel 6th Generation Core i7 4 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

$ 274.86
$ 294.19 significantly less expensive
$ 569.05

Benchmark Score

Overall Score

A combined score of all workloads

3497 points
15772 points
351% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5633 points
15040 points
166% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2866 points
16008 points
458% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2751 points
16094 points
485% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-6700K and the Ryzen 9 9900X3D? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

3242 points
13700 points
322% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

81.27 points
466.69 points
474% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

4936 points
20191 points
309% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1506 points
3294 points
118% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

4
12
200% significantly more cores

Threads

Number of logical processing units

8
24
200% significantly more threads

Clock Speed

Base frequency at which the chip operates

4 GHz
4.4 GHz
10% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.2 GHz
5.5 GHz
30% 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

256 KiB
960 KiB
274% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

1 MiB
12 MiB
1100% significantly more L2 cache

L3 Cache

General memory pool for all cores

8 MiB
128 MiB
1500% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

482nd of 1,089
19th of 1,089

Family

The product line

6th Generation Core i7
Ryzen 9000 Series

Release date

The official date of release of this chip

2015 August
2025 March

Memory Type

The type of memory used by this chip

DDR4-1866
DDR5

Is Unlocked

Can this CPU can be overclocked

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
-

Core i7-6700K vs Ryzen 9 9900X3D comparison

In our benchmarks, the Ryzen 9 9900X3D beats the Core i7-6700K in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-6700K in all gaming tests too.

With info from our database, we find that the Ryzen 9 9900X3D has significantly more cores with 12 cores whereas the Core i7-6700K has 4 cores. It also has more threads than the Core i7-6700K. With our hardware info, we find that the Ryzen 9 9900X3D has a slightly higher clock speed than the Core i7-6700K. Also, the Ryzen 9 9900X3D has a slightly higher turbo speed. A Core i7-6700K 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. In terms of cache, the Ryzen 9 9900X3D has significantly more L2 cache when compared to the Core i7-6700K. 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 i7-6700K has more threads than cores. Each physical core is split into multiple threads.

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