AMD Ryzen 9 3900X vs AMD Ryzen 7 1700X

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 7 Desktop 8 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

$ 229.99
$ 195.99
$ 34.00 slightly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
85% significantly better overall score
4528 points

Gaming Score

The raw gaming performance with a fast GPU

8440 points
48% significantly better gaming score
5692 points

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
102% significantly better multitasking score
4151 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
107% significantly better heavy workload score
4054 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 7 1700X? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
102% significantly higher 3DMark Physics score
4254 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
110% significantly higher Blender score
131.79 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

9929 points
78% significantly higher Geekbench 5 (multi) score
5551 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1667 points
55% significantly higher Geekbench 5 (single) score
1070 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
77% significantly higher Geekbench 6 (multi) score
5573 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
54% significantly higher Geekbench 6 (single) score
1100 points

Specifications

Cores

Number of physical processing units

12
49% significantly more cores
8

Threads

Number of logical processing units

24
49% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

3.80 GHz
11% slightly higher clock speed
3.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
21% slightly higher turbo speed
3.8 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
95 W
10% slightly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
Identical
768 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
49% significantly more L2 cache
4 MiB

L3 Cache

General memory pool for all cores

64 MiB
300% significantly more L3 cache
16 MiB

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089
386th of 1,089

Family

The product line

Ryzen 9 Desktop
Ryzen 7 Desktop

Release date

The official date of release of this chip

2019 July
2017 February

Memory Type

The type of memory used by this chip

DDR4
DDR4

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Ryzen 9 3900X vs Ryzen 7 1700X benchmarks

In our benchmarks, the Ryzen 9 3900X beats the Ryzen 7 1700X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 1700X in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Ryzen 9 3900X has significantly more cores with 12 cores compared to the Ryzen 7 1700X that has 8 cores. It also has more threads than the Ryzen 7 1700X. These CPUs have different clock speeds. Indeed, the Ryzen 9 3900X has a slightly higher clock speed compared to the Ryzen 7 1700X. Also, the Ryzen 9 3900X has a slightly higher turbo speed. The Ryzen 7 1700X outputs less heat than Ryzen 9 3900X thanks to a 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 3900X has significantly more L2 cache when compared to the Ryzen 7 1700X. The Ryzen 9 3900X also has significantly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 9 3900X has more threads than cores. Each physical core is split into multiple threads.

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