AMD Ryzen 9 7945HX vs AMD Ryzen 9 7845HX

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 9 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

14004 points
15% slightly better overall score
12102 points

Gaming Score

The raw gaming performance with a fast GPU

12364 points
5% slightly better gaming score
11676 points

Multitasking Score

Performance in workloads using up to 8 cores

14599 points
19% slightly better multitasking score
12246 points

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points
20% slightly better heavy workload score
12288 points

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

13984 points
20% slightly higher 3DMark Physics score
11567 points
Blender score

Blender score

Cycles Render (Samples per minute)

475.58 points
38% slightly higher Blender score
342.81 points
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

34613 points
28% slightly higher Cinebench R23 score
26876 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

14865 points
8% slightly higher Geekbench 5 (multi) score
13685 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

2684 points
0.79% slightly higher Geekbench 5 (single) score
2663 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

16083 points
16% slightly higher Geekbench 6 (multi) score
13839 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2764 points
5% slightly higher Geekbench 6 (single) score
2627 points

Specifications

Cores

Number of physical processing units

16
33% slightly more cores
12

Threads

Number of logical processing units

32
33% slightly more threads
24

Clock Speed

Base frequency at which the chip operates

2.50 GHz
3.00 GHz
19% slightly 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
Identical
55 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB
34% slightly more L1 cache
764 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB
33% slightly more L2 cache
12 MiB

L3 Cache

General memory pool for all cores

64 MiB
Identical
64 MiB

Other details

Rank

Ranking in the hardwareDB database

31st of 1,089
49th of 1,089

Family

The product line

Ryzen 9
Ryzen 9

Release date

The official date of release of this chip

2023 February
2023 February

Memory Type

The type of memory used by this chip

DDR5
DDR5

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Ryzen 9 7945HX vs Ryzen 9 7845HX comparison

Our benchmark analysis concludes that the Ryzen 9 7945HX performs better than the Ryzen 9 7845HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 7845HX in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 7945HX has slightly more cores than the Ryzen 9 7845HX. Indeed, the Ryzen 9 7945HX has 16 cores compared to 12 cores found in the Ryzen 9 7845HX. It also has more threads than the Ryzen 9 7845HX. Our comparison shows that the Ryzen 9 7845HX has a slightly higher clock speed compared to the Ryzen 9 7945HX. Despite this, the Ryzen 9 7945HX has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen 9 7945HX has slightly more L2 cache when compared to the Ryzen 9 7845HX. However, both these chips have the same amount of 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 7945HX has more threads than cores. Each physical core is split into multiple threads.

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