Intel Core Ultra 7 255HX vs AMD Ryzen 7 7745HX
The Ryzen 7 7745HX has 5% better performance than the Core Ultra 7 255HX for the 3DMark 11 Performance Physics benchmark.
We do not have any performance per dollar data for the Core Ultra 7 255HX and the Ryzen 7 7745HX for the 3DMark 11 Performance Physics benchmark.
Summary
About the Intel Core Ultra 7 255HX CPU
The Intel Core Ultra 7 255HX is a 20-core (20-thread) processor built for the mobile CPU market. It launched in Q1 2025. It is part of Intel's Ultra 7 lineup, which is based on the Arrow Lake-HX microarchitecture. The Ultra 7 255HX is compatible with Intel BGA 2114 motherboards and is fabricated on TSMC's 3 nm manufacturing process. It features the Arc Xe-LPG Graphics 64EU integrated graphics solution.
Memory and Cache
The Core Ultra 7 255HX supports DDR5 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Core Ultra 7 255HX has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 192 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 3 MB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 30 MB.
Cores and Clock Speeds
The Core Ultra 7 255HX features 20 total cores which can process 20 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The 20 cores consist of 8 P-Cores and 12 E-Cores. P-Cores are designed for high-performance tasks and E-Cores are intended for efficiency and lighter tasks. The base clock speed of the CPU is 2.4 GHz, and it can boost up to 5.2 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 Core Ultra 7 255HX includes an integrated graphics solution called Arc Xe-LPG Graphics 64EU. 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 Core Ultra 7 255HX has the 38th best 3DMark 11 Performance Physics score among the 767 benchmarked CPUs in our database. It achieves 63.70% of the performance of the best benchmarked CPU, the AMD Ryzen 9 9950X.
About the AMD Ryzen 7 7745HX CPU
The AMD Ryzen 7 7745HX is a 8-core (16-thread) processor built for the mobile CPU market. It launched in Q1 2023. It is part of AMD's Ryzen 7 lineup, which is based on the Zen 4 microarchitecture. The 7745HX is compatible with AMD Socket FL1 motherboards and is fabricated on TSMC's 5 nm manufacturing process. It features the Radeon 610M integrated graphics solution.
Memory and Cache
The Ryzen 7 7745HX supports DDR5 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 7 7745HX 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 1 MB, 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 7745HX 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 3.6 GHz, and it can boost up to 5.1 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 7745HX 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 7 7745HX has the 31st best 3DMark 11 Performance Physics score among the 767 benchmarked CPUs in our database. It achieves 67.12% of the performance of the best benchmarked CPU, the AMD Ryzen 9 9950X.
General Info
General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| Manufacturer | Intel | AMD |
| Series | Ultra 7 | Ryzen 7 |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2025 | Q1 2023 |
| Production Status | Active | Active |
| Shop | Check Price | Check Price |
Benchmark Performance
The Ryzen 7 7745HX has 5% better performance than the Core Ultra 7 255HX for the 3DMark 11 Performance Physics benchmark.
The Core Ultra 7 255HX is ranked 38th with a score of 24,379, and the Ryzen 7 7745HX is ranked 31st with a score of 25,687.5.
We do not have any performance per dollar data for the Core Ultra 7 255HX and the Ryzen 7 7745HX for the 3DMark 11 Performance Physics benchmark.
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 AI Max+ 395 | 26,998 | +11% |
| Ryzen 9 7945HX | 26,667 | +9% |
| Core Ultra 9 275HX | 26,611.5 | +9% |
| Ryzen 7 7745HX | 25,687.5 | +5% |
| Ryzen AI Max+ PRO 395 | 25,322 | +4% |
| Core i9-13980HX | 25,051 | +3% |
| Core i7-13650HX | 24,468.5 | +0% |
| Core Ultra 7 255HX | 24,379 | |
| Core i7-14650HX | 24,163 | -1% |
| Core i9-13950HX | 23,960 | -2% |
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 | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance per dollar with other CPUs. | |||
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 | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| 3DMark 11 Performance Physics | 24,379 | 25,687.5 (+5.37%) |
| 3DMark Time Spy CPU | 15,195.5 (+34.9%) | 11,264 |
| Cinebench R15 Multi-Core | 4,455 (+49.2%) | 2,986 |
| Cinebench R15 Single-Core | 324.5 (+10.19%) | 294.5 |
| Geekbench 6.2 Multi-Core | -- | 12,838 |
| Geekbench 6.2 Single-Core | -- | 2,632 |
| CPU Mark Multi-Thread | -- | 32,816 |
| CPU Mark Single-Thread | -- | 3,958 |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| Manufacturer | Intel | AMD |
| Foundry | TSMC | TSMC |
| Process Size | 3 nm | 5 nm |
| Transistors | 17,800 million | 6,570 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 | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| Series | Ultra 7 | Ryzen 7 |
| Microarchitecture | Arrow Lake-HX | Zen 4 |
| Codename | Arrow Lake-HX | Dragon Range |
| Memory Support | DDR5 | DDR5 |
| Memory Channels | Dual-channel | Dual-channel |
| ECC Memory | No | 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 | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| Cores | 20 | 8 |
| Threads | 20 | 16 |
| Performance Cores (P-cores) | 8 | -- |
| Efficient Cores (E-cores) | 12 | -- |
| Clock Speed | 2.4 GHz | 3.6 GHz |
| Turbo Clock | 5.2 GHz | 5.1 GHz |
| P-core Clock | 2.4 GHz | -- |
| P-core Turbo Clock | 5.2 GHz | -- |
| E-core Clock Speed | 1800.0 MHz | -- |
| E-core Turbo Clock | 4.5 GHz | -- |
| Base Clock | 100 MHz | 100 MHz |
| Multiplier | 24.0x | 36.0x |
| 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 | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| L1 Cache | 192 KB | 64 KB |
| L2 Cache | 3 MB | 1 MB |
| L3 Cache | 30 MB | 32 MB |
| E-core L1 Cache | 96 KB | -- |
| E-core L2 Cache | 4 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 | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| Socket | Intel BGA 2114 | AMD Socket FL1 |
| PCI Express | PCIe 5.0 x20, PCIe 4.0 x4 | PCIe 5.0 x28 |
| Thermal Design Power (TDP) | 55 W | 55 W |
| Power Limit 1 (PL1) | 55 W | -- |
| Power Limit 2 (PL2) | 160 W | -- |
| TJ Max | 105 °C | 100 °C |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Core Ultra 7 255HX | Ryzen 7 7745HX |
|---|---|---|
| Integrated Graphics | Arc Xe-LPG Graphics 64EU | Radeon 610M |
| Extensions / Technologies | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-VNNI, FMA3, SHA, EIST, Speed Shift, Intel 64, XD bit, VT-x, VT-x EPT, VT-d, AES-NI, TXT, TDT, CLMUL, F16C, BMI1, BMI2, ABM, ADX, MBEC, CFET, RdRand, IPU 6.0, vPro, Thread Director, DLBoost 3.0, AI Boost 3.0, TBT 2.0, TBMT 3.0 | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, AVX-512, BMI1, BMI2, SHA, F16C, FMA3, NX-Bit, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.