AMD Ryzen 9 3900X vs AMD Ryzen 7 7840HS

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

8438 points
8633 points
2% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8451 points
10477 points
23% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8423 points
5% slightly better multitasking score
8013 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8410 points
7% slightly better heavy workload score
7835 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 7 7840HS? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
16% slightly higher 3DMark Physics score
7356 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
13% slightly higher Blender score
244.42 points
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

19000 points
10% slightly higher Cinebench R23 score
17214 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
11003 points
11% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
2353 points
38% slightly higher Geekbench 6 (single) score

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
Identical
3.80 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
5.1 GHz
10% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
54 W
94% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
49% significantly more L1 cache
512 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
8 MiB
33% slightly more L2 cache

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

139th of 1,120
129th of 1,120

Family

The product line

Ryzen 9 Desktop
Ryzen 7

Release date

The official date of release of this chip

2019 July
-

Memory Type

The type of memory used by this chip

DDR4
DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

Yes
No

Popular CPU Comparisons