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AMD Ryzen 7 H 255
The AMD Ryzen 7 H 255 is an eight-core, 16-thread Zen 4 processor that AMD lists for laptops and desktops in China only. It runs at 3.8 to 4.9 GHz with 16 MB of L3 cache, a 45 W default TDP configurable from 35 to 54 W, and Radeon 780M graphics at up to 2.6 GHz. AMD's page lists no NPU.
Pros
- Eight Zen 4 cores and 16 threads with boost up to 4.9 GHz
- Radeon 780M graphics with 12 compute units at up to 2.6 GHz
- Configurable 35 to 54 W TDP, listed by AMD for both laptop and desktop systems
- Supports LPDDR5X-7500 or DDR5-5600 memory, up to 256 GB
- In review testing, two mini PCs built on it averaged about 16,100 in Cinebench R23 multi-core
Cons
- AMD lists it as available in China only
- AMD's page lists no NPU, so on-device AI features that need one are unavailable
- Still built on Zen 4 and RDNA 3 rather than newer Zen 5 and RDNA 3.5 designs
Average
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the AMD Ryzen 7 H 255
General
- Announced
- 2025
- Process
- 4 nm
- Base TDP
- 45 W
- Max TDP
- 54 W
Cores & Clocks
- Cores
- 8
- Performance cores
- 8
- Efficiency cores
- 0
- Threads
- 16
- Base clock
- 3.8 GHz
- Boost clock
- 4.9 GHz
- L3 cache
- 16 MB
Integrated GPU
- iGPU
- AMD Radeon 780M
- iGPU clock
- 2,600 MHz
Memory
- Memory support
- LPDDR5X-7500 / DDR5-5600
- Max memory
- 256 GB
Benchmarks
- Geekbench 6 (single)
- 2,546Top 48%
- Geekbench 6 (multi)
- 12,670Top 39%
- Cinebench R23 (single)
- 1,708Top 50%
- Cinebench R23 (multi)
- 16,137Top 32%
- PassMark
- 28,205Top 25%
- 3DMark Time Spy Graphics (iGPU)
- 3,077Top 17%
Devices with the AMD Ryzen 7 H 255
1 device in our catalog uses this chip
Quick answers
Is the AMD Ryzen 7 H 255 good in 2026?
The AMD Ryzen 7 H 255 earns an Inno Score of 57.3/100 (“Average”) based on its specs and benchmark results. The AMD Ryzen 7 H 255 is an eight-core, 16-thread Zen 4 processor that AMD lists for laptops and desktops in China only. It runs at 3.8 to 4.9 GHz with 16 MB of L3 cache, a 45 W default TDP configurable from 35 to 54 W, and Radeon 780M graphics at up to 2.6 GHz. AMD's page lists no NPU.
Does the AMD Ryzen 7 H 255 count as "Core i7 or equivalent"?
Its PassMark CPU Mark average is 28,205 (cpubenchmark.net, retrieved Sep 26, 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.
Which devices use the AMD Ryzen 7 H 255?
One device in our catalog uses the AMD Ryzen 7 H 255: HP OmniBook 3 16.
What are the key specs of the AMD Ryzen 7 H 255?
Cores: 8 · Threads: 16 · Boost clock: 4.9 GHz · Base TDP: 45 W
What are the closest alternatives to the AMD Ryzen 7 H 255?
Its closest rivals on InnoReviews are AMD Ryzen 9 8945H, Intel Core Ultra 9 185H, AMD Ryzen 7 8840U — open the comparison pages for a spec-by-spec breakdown.
