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CPU · Laptop · AMD

AMD Ryzen 7 8840HX

12C/24T · 55 W · Launched Oct 2025
Compare with rivalsCPU overall rankings

CPU overall vs rivals

Core Ultra 7 251HXRyzen 9 7845HXCore Ultra 5 235Ryzen 7 8840HX ◂Core i7-14700HXRyzen AI Max 385Ryzen 5 7600 (ref)010203040506057.458.758.557.357.350.057.5AMD Ryzen 7 8840HX This chip Laptop CPU Index 57.4Intel Core Ultra 7 251HX Nearest competitor Laptop CPU Index 58.7 1.02× Ryzen 7 8840HXAMD Ryzen 9 7845HX Just above in its segment Laptop CPU Index 58.5 1.02× Ryzen 7 8840HXIntel Core i7-14700HX Nearest competitor Laptop CPU Index 57.3 1.00× Ryzen 7 8840HXAMD Ryzen AI Max 385 Just below in its segment Laptop CPU Index 57.3 1.00× Ryzen 7 8840HXAMD Ryzen 5 7600 Reference chip Desktop CPU Index 50.0 0.87× Ryzen 7 8840HXIntel Core Ultra 5 235 Nearest desktop chip Desktop CPU Index 57.5 1.00× Ryzen 7 8840HX
Core Ultra 7 251HXRyzen 9 7845HXCore Ultra 5 235Ryzen 7 8840HX ◂Core i7-14700HXRyzen AI Max 385Ryzen 5 7600 (ref)020406057.458.758.557.357.350.057.5AMD Ryzen 7 8840HX This chip Laptop CPU Index 57.4Intel Core Ultra 7 251HX Nearest competitor Laptop CPU Index 58.7 1.02× Ryzen 7 8840HXAMD Ryzen 9 7845HX Just above in its segment Laptop CPU Index 58.5 1.02× Ryzen 7 8840HXIntel Core i7-14700HX Nearest competitor Laptop CPU Index 57.3 1.00× Ryzen 7 8840HXAMD Ryzen AI Max 385 Just below in its segment Laptop CPU Index 57.3 1.00× Ryzen 7 8840HXAMD Ryzen 5 7600 Reference chip Desktop CPU Index 50.0 0.87× Ryzen 7 8840HXIntel Core Ultra 5 235 Nearest desktop chip Desktop CPU Index 57.5 1.00× Ryzen 7 8840HX
CPU overall
57.4
1.15× refest.
CPU multi-thread
82.0
1.64× reflow conf.
CPU single-thread
47.4
0.95× reflow conf.
TDP
55.0 W
CPU overall per watt
1.04

CPU multi-thread, by benchmark

Cinebench multi-thread (NotebookCheck)PassMark CPU Mark02040608082.581.4Cinebench multi-thread (NotebookCheck), version R23 Index 82.5 Median 25.3k points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark CPU Mark Index 81.4 Median 42.2k points Source average of 44 results, fetched 6 Nov 2026 PassMark
Cinebench multi-th…PassMark CPU Mark02040608082.581.4Cinebench multi-thread (NotebookCheck), version R23 Index 82.5 Median 25.3k points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark CPU Mark Index 81.4 Median 42.2k points Source average of 44 results, fetched 6 Nov 2026 PassMark
Results table
BenchmarkVersionMedianp10–p90UnitSamplesIndexDates
Cinebench multi-thread (NotebookCheck)R2325.3k–points1 avg.82.56 Nov 2026
PassMark CPU Markcurrent42.2k–points44 avg.81.46 Nov 2026

CPU single-thread, by benchmark

Cinebench single-thread (NotebookCheck)PassMark Single Thread0102030405048.146.7Cinebench single-thread (NotebookCheck), version R23 Index 48.1 Median 1,857 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark Single Thread Index 46.7 Median 3,852 points Source average of 44 results, fetched 6 Nov 2026 PassMark
Cinebench single-t…PassMark ST0102030405048.146.7Cinebench single-thread (NotebookCheck), version R23 Index 48.1 Median 1,857 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark Single Thread Index 46.7 Median 3,852 points Source average of 44 results, fetched 6 Nov 2026 PassMark
Results table
BenchmarkVersionMedianp10–p90UnitSamplesIndexDates
Cinebench single-thread (NotebookCheck)R231,857–points1 avg.48.16 Nov 2026
PassMark Single Threadcurrent3,852–points44 avg.46.76 Nov 2026

Sources

NotebookCheck (CPUs)2 averages6 Nov 2026PassMark2 averages6 Nov 2026