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AMD Ryzen 5 7645HX
The AMD Ryzen 5 7645HX is a six-core, 12-thread Zen 4 processor from AMD's Dragon Range HX family for laptops. It runs at 4.0 to 5.0 GHz with 32 MB of L3 cache and a 55 W default TDP (45 to 75 W configurable), and includes a basic Radeon 610M iGPU with 2 graphics cores.
Pros
- Six Zen 4 cores and 12 threads, 4.0 GHz base and up to 5.0 GHz boost
- 32 MB of L3 cache and 28 PCIe 5.0 lanes for a discrete GPU and fast SSDs
- Unlocked for overclocking, with AMD EXPO memory support
- Configurable TDP of 45 to 75 W lets laptop makers match the chip to the cooling design
- Scored 1,809 single-core and 13,985 multi-core in Cinebench R23 in review testing of the Lenovo Legion Pro 5 16ARX8
Cons
- Radeon 610M iGPU has only 2 graphics cores, so a discrete GPU is needed for gaming
- No NPU or native USB4 listed in the specifications
- Memory support tops out at 64 GB of DDR5-5200 SO-DIMM
Average
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the AMD Ryzen 5 7645HX
General
- Announced
- 2023
- Process
- 5 nm
- Base TDP
- 55 W
- Max TDP
- 75 W
Cores & Clocks
- Cores
- 6
- Performance cores
- 6
- Efficiency cores
- 0
- Threads
- 12
- Base clock
- 4 GHz
- Boost clock
- 5 GHz
- L3 cache
- 32 MB
Integrated GPU
- iGPU
- AMD Radeon 610M
- iGPU clock
- 2,200 MHz
Memory
- Memory support
- DDR5-5200
- Max memory
- 64 GB
Benchmarks
- Cinebench R23 (single)
- 1,809Top 45%
- Cinebench R23 (multi)
- 13,985Top 48%
- PassMark
- 25,777Top 39%
- PassMark (single thread)
- 3,856Top 36%
- 3DMark Time Spy Graphics (iGPU)
- 515Bottom 9%
Quick answers
Is the AMD Ryzen 5 7645HX good in 2026?
The AMD Ryzen 5 7645HX earns an Inno Score of 51.9/100 (“Average”) based on its specs and benchmark results. The AMD Ryzen 5 7645HX is a six-core, 12-thread Zen 4 processor from AMD's Dragon Range HX family for laptops. It runs at 4.0 to 5.0 GHz with 32 MB of L3 cache and a 55 W default TDP (45 to 75 W configurable), and includes a basic Radeon 610M iGPU with 2 graphics cores.
Does the AMD Ryzen 5 7645HX count as "Core i7 or equivalent"?
Its PassMark CPU Mark average is 25,777 (cpubenchmark.net, retrieved Sep 26–Oct 8, 2026), which puts it in Tier A of our CPU tier checker: current Core i7 H / Core Ultra 7 / Ryzen 7 class and above. Requirement pages word this differently, so check the exact wording with your department.
What are the key specs of the AMD Ryzen 5 7645HX?
Cores: 6 · Threads: 12 · Boost clock: 5 GHz · Base TDP: 55 W
What are the closest alternatives to the AMD Ryzen 5 7645HX?
Its closest rivals on InnoReviews are AMD Ryzen 7 8745HX, AMD Ryzen AI 5 430, Intel Core i7-12800H — open the comparison pages for a spec-by-spec breakdown.
