AMD Ryzen 9 7945HX vs AMD Ryzen 7 9800X3D

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 9000 Series 8 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

14004 points

27% slightly better overall score

10982 points

Gaming Score

The raw gaming performance with a fast GPU

12364 points

13108 points

6% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

14599 points

42% slightly better multitasking score

10252 points

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points

48% significantly better heavy workload score

10031 points

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

13984 points

38% slightly higher 3DMark Physics score

10082 points

Blender score

Cycles Render (Samples per minute)

475.58 points

46% significantly higher Blender score

325.43 points

Geekbench 6 (multi) score

Multi threaded benchmark

16083 points

18346 points

14% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2764 points

3336 points

20% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

100% significantly more cores

Threads

Number of logical processing units

100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.50 GHz

4.7 GHz

87% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz

3% slightly higher turbo speed

5.2 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

118% significantly lower TDP

120 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB

60% significantly more L1 cache

640 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB

100% significantly more L2 cache

8 MiB

L3 Cache

General memory pool for all cores

64 MiB

96 MiB

49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

31st of 1,089

70th of 1,089

Family

The product line

Ryzen 9

Ryzen 9000 Series

Release date

The official date of release of this chip

2023 February

2024 November

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 7945HX vs Ryzen 7 9800X3D specs and performance

In our benchmarks, the Ryzen 9 7945HX beats the Ryzen 7 9800X3D in overall performance. Despite this, the Ryzen 7 9800X3D has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 7945HX has significantly more cores with 16 cores whereas the Ryzen 7 9800X3D has 8 cores. It also has more threads than the Ryzen 7 9800X3D. With our hardware info, we find that the Ryzen 7 9800X3D has a significantly higher clock speed than the Ryzen 9 7945HX. Despite this, the Ryzen 9 7945HX has a slightly higher turbo speed. A Ryzen 9 7945HX CPU outputs less heat than a Ryzen 7 9800X3D CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 7945HX has significantly more L2 cache than the Ryzen 7 9800X3D. Despite this, the Ryzen 7 9800X3D has significantly more L3 cache compared to the Ryzen 9 7945HX.

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 7945HX has more threads than cores. Each physical core is split into multiple threads.