AMD Ryzen 9 7900X vs AMD Ryzen 7 8840HS

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 7 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

Benchmark Score
Other Benchmarks
Specifications
Comments (0)
Popular Comparisons

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

13554 points

132% significantly better overall score

5821 points

Gaming Score

The raw gaming performance with a fast GPU

13457 points

86% significantly better gaming score

7228 points

Multitasking Score

Performance in workloads using up to 8 cores

13583 points

149% significantly better multitasking score

5452 points

Heavy Workload Score

Performance in workloads using up to 16 cores

13587 points

152% significantly better heavy workload score

5384 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 7900X and the Ryzen 7 8840HS? Download our free and quick PC Performance Test.

Download CPU Benchmark

Other Benchmarks

Blender score

Cycles Render (Samples per minute)

412.82 points

147% significantly higher Blender score

166.92 points

Geekbench 6 (multi) score

Multi threaded benchmark

17750 points

96% significantly higher Geekbench 6 (multi) score

9022 points

Geekbench 6 (single) score

Single threaded benchmark

2946 points

43% significantly higher Geekbench 6 (single) score

2060 points

Specifications

Cores

Number of physical processing units

49% significantly more cores

Threads

Number of logical processing units

49% significantly more threads

Clock Speed

Base frequency at which the chip operates

4.7 GHz

42% slightly higher clock speed

3.30 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.6 GHz

9% slightly higher turbo speed

5.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

170 W

28 W

507% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

Identical

L2 Cache

Secondary embedded memory, slower than L1 cache

12 MiB

49% significantly more L2 cache

8 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

36th of 1,089

266th of 1,089

Family

The product line

Ryzen 9 Desktop

Ryzen 7

Release date

The official date of release of this chip

2022 September

Memory Type

The type of memory used by this chip

DDR5

DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Yes

Ryzen 9 7900X vs Ryzen 7 8840HS benchmarks

Our benchmark analysis concludes that the Ryzen 9 7900X performs better than the Ryzen 7 8840HS. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 8840HS in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 7900X has significantly more cores than the Ryzen 7 8840HS. Indeed, the Ryzen 9 7900X has 12 cores compared to 8 cores found in the Ryzen 7 8840HS. It also has more threads than the Ryzen 7 8840HS. With our hardware info, we find that the Ryzen 9 7900X has a slightly higher clock speed than the Ryzen 7 8840HS. In terms of cache, the Ryzen 9 7900X has significantly more L2 cache when compared to the Ryzen 7 8840HS. The Ryzen 9 7900X also has significantly 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 Ryzen 9 7900X has more threads than cores. Each physical core is split into multiple threads.