AMD Ryzen 7 7840HS vs AMD Ryzen 9 7845HX

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

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

8878 points

12102 points

36% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10890 points

11676 points

7% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8202 points

12246 points

49% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8008 points

12288 points

53% significantly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

7356 points

11567 points

57% significantly higher 3DMark Physics score

Blender score

Cycles Render (Samples per minute)

244.42 points

342.81 points

40% slightly higher Blender score

Cinebench R23 score

Multi threaded benchmark

17214 points

26876 points

56% significantly higher Cinebench R23 score

Geekbench 6 (multi) score

Multi threaded benchmark

11003 points

13839 points

25% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2353 points

2627 points

11% slightly higher Geekbench 6 (single) score

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

3.80 GHz

26% slightly higher clock speed

3.00 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz

5.2 GHz

1% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

54 W

1% slightly lower TDP

55 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

512 KiB

764 KiB

49% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

8 MiB

12 MiB

49% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB

64 MiB

300% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

116th of 1,089

49th of 1,089

Family

The product line

Ryzen 7

Ryzen 9

Release date

The official date of release of this chip

2023 February

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 7 7840HS vs Ryzen 9 7845HX specs and performance

Our benchmark analysis concludes that the Ryzen 9 7845HX performs better than the Ryzen 7 7840HS. Despite this, the Ryzen 7 7840HS has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 7845HX has significantly more cores with 12 cores whereas the Ryzen 7 7840HS has 8 cores. It also has more threads than the Ryzen 7 7840HS. With our hardware info, we find that the Ryzen 7 7840HS has a slightly higher clock speed than the Ryzen 9 7845HX. Despite this, the Ryzen 9 7845HX has a slightly higher turbo speed. A Ryzen 7 7840HS CPU outputs less heat than a Ryzen 9 7845HX 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 7845HX has significantly more L2 cache when compared to the Ryzen 7 7840HS. The Ryzen 9 7845HX 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 7 7840HS has more threads than cores. Each physical core is split into multiple threads.