AMD Ryzen 9 9955HX vs AMD Ryzen 7 5800X
The Ryzen 9 9955HX has 39% better performance than the Ryzen 7 5800X for the 3DMark 11 Performance Physics benchmark.
The Ryzen 7 5800X has 43% of the performance per dollar compared to the leader for the 3DMark 11 Performance Physics benchmark: Intel Core i5-13400F.
Summary
About the AMD Ryzen 9 9955HX CPU
The AMD Ryzen 9 9955HX is a 16-core (32-thread) processor built for the mobile CPU market. It launched in Q1 2025. It is part of AMD's Ryzen 9 lineup, which is based on the Zen 5 microarchitecture. The 9955HX is compatible with AMD Socket FL1 motherboards and is fabricated on TSMC's 4 nm manufacturing process. It features the Radeon 610M integrated graphics solution.
Memory and Cache
The Ryzen 9 9955HX supports DDR5 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 9 9955HX has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 80 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 1 MB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 64 MB.
Cores and Clock Speeds
The Ryzen 9 9955HX features 16 total cores which can process 32 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 2.5 GHz, and it can boost up to 5.4 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.
Integrated Graphics
The Ryzen 9 9955HX includes an integrated graphics solution called Radeon 610M. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.
Benchmark Performance
The Ryzen 9 9955HX has the 6th best 3DMark 11 Performance Physics score among the 768 benchmarked CPUs in our database. It achieves 86.06% of the performance of the best benchmarked CPU, the AMD Ryzen 9 9950X.
About the AMD Ryzen 7 5800X CPU
The AMD Ryzen 7 5800X is a 8-core (16-thread) processor built for the desktop CPU market. It launched in Q4 2020 with a suggested retail price of $449. It is part of AMD's Ryzen 7 lineup, which is based on the Zen 3 microarchitecture. The 5800X is compatible with AMD Socket AM4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.
Memory and Cache
The Ryzen 7 5800X supports DDR4 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 7 5800X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 32 MB.
Cores and Clock Speeds
The Ryzen 7 5800X features 8 total cores which can process 16 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.8 GHz, and it can boost up to 4.7 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.
Integrated Graphics
The Ryzen 7 5800X does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.
Benchmark Performance & Value
The Ryzen 7 5800X has the 50th best 3DMark 11 Performance Physics score among the 768 benchmarked CPUs in our database. It achieves 61.94% of the performance of the best benchmarked CPU, the AMD Ryzen 9 9950X. Its 23,703.5 score and $449 launch price (MSRP) gives it a performance per dollar of 52.79. This is the 47th best in value for the 3DMark 11 Perf. Physics benchmark.
General Info
General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| Manufacturer | AMD | AMD |
| Series | Ryzen 9 | Ryzen 7 |
| Market Segment | Mobile | Desktop |
| Release Date | Q1 2025 | Q4 2020 |
| Launch Price (MSRP) | -- | $449 |
| Production Status | Active | Active |
| Shop | Check Price | Check Price |
Benchmark Performance
The Ryzen 9 9955HX has 39% better performance than the Ryzen 7 5800X for the 3DMark 11 Performance Physics benchmark.
The Ryzen 9 9955HX is ranked 6th with a score of 32,936, and the Ryzen 7 5800X is ranked 50th with a score of 23,703.5.
The Ryzen 7 5800X has 90% of the performance per dollar compared to the leader for the 3DMark 11 Performance Physics benchmark: AMD Ryzen 9 9950X.
Ryzen 7 5800X's 52.79 performance per dollar ranks it 0th among the other benchmarked CPUs in our database.
Relative Performance
The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.
| CPU | Benchmark Performance | |
|---|---|---|
| Ryzen 9 9955HX3D | 34,146 | +4% |
| Ryzen 9 9955HX | 32,936 | |
| Ryzen 9 7945HX3D | 29,707 | -10% |
| Core Ultra 9 285HX | 29,213 | -11% |
| Ryzen AI Max+ 395 | 26,998 | -18% |
| Core i5-13400F | 23,820 | -28% |
| Core i7-12700F | 23,748 | -28% |
| Ryzen 7 5800X | 23,703.5 | -28% |
| Ryzen 7 8700G | 23,700.5 | -28% |
| Core i5-13400 | 23,120 | -30% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.
| CPU | Performance Per Dollar | |
|---|---|---|
| Ryzen 9 7900 | 61.36 | +16% |
| Core i7-12700K | 61 | +16% |
| Ryzen 7 5800X3D | 60.66 | +15% |
| Core i7-11700 | 55.98 | +6% |
| Ryzen 7 3700X | 55.57 | +5% |
| Ryzen 7 5800X | 52.79 | |
| Core i5-13500T | 52.42 | -1% |
| Ryzen 7 3800XT | 47.38 | -10% |
| Core i9-12900 | 46.85 | -11% |
| Core i9-12900K | 43.78 | -17% |
Benchmark Scores
This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.
- Popular
| Benchmark | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| 3DMark 11 Performance Physics | 32,936 (+38.95%) | 23,703.5 |
| 3DMark Time Spy CPU | 13,097 (+12.4%) | 11,652 |
| Cinebench R15 Multi-Core | 6,092 (+133.54%) | 2,608.5 |
| Cinebench R15 Single-Core | 336 (+26.55%) | 265.5 |
| Geekbench 6.2 Multi-Core | -- | 10,223 |
| Geekbench 6.2 Single-Core | -- | 2,194 |
| CPU Mark Multi-Thread | -- | 27,884 |
| CPU Mark Single-Thread | -- | 3,445 |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| Manufacturer | AMD | AMD |
| Foundry | TSMC | TSMC |
| Process Size | 4 nm | 7 nm |
| Transistors | 16,630 million | 4,150 million |
Architecture
CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.
| Spec | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| Series | Ryzen 9 | Ryzen 7 |
| Microarchitecture | Zen 5 | Zen 3 |
| Codename | Fire Range | Vermeer |
| Memory Support | DDR5 | DDR4 |
| Memory Channels | Dual-channel | Dual-channel |
| ECC Memory | Yes | Yes |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.
| Spec | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| Cores | 16 | 8 |
| Threads | 32 | 16 |
| Clock Speed | 2.5 GHz | 3.8 GHz |
| Turbo Clock | 5.4 GHz | 4.7 GHz |
| Base Clock | 100 MHz | 100 MHz |
| Multiplier | 25.0x | 38.0x |
| Multiplier Unlocked | Yes | Yes |
Cache
CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.
| Spec | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| L1 Cache | 80 KB | 64 KB |
| L2 Cache | 1 MB | 512 KB |
| L3 Cache | 64 MB | 32 MB |
Compatibility & Power Consumption
Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.
| Spec | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| Socket | AMD Socket FL1 | AMD Socket AM4 |
| PCI Express | PCIe 5.0 x28 | PCIe 4.0 x20 |
| Thermal Design Power (TDP) | 55 W | 105 W |
| Package Power Tracking (PPT) | -- | 142 W |
| Tcase Max | -- | 95 °C |
| TJ Max | 100 °C | 90 °C |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Ryzen 9 9955HX | Ryzen 7 5800X |
|---|---|---|
| Integrated Graphics | Radeon 610M | -- |
| Extensions / Technologies | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, AVX-512, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost OD, Precision Boost 2, AMD EXPO | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.