Intel Core i5-1235U
Intel processor specifications and benchmark scores
Intel Core i5-1235U Specifications
Core i5-1235U Core Configuration
Processing cores and threading
The Intel Core i5-1235U features 10 physical cores and 12 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.
i5-1235U Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Core i5-1235U benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core i5-1235U by Intel can dynamically adjust its frequency based on workload and thermal headroom.
Intel's Core i5-1235U Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the i5-1235U processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core i5-1235U's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Alder Lake Architecture & Process
Manufacturing and design details
The Intel Core i5-1235U is built on Intel's 10 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in i5-1235U incorporate advanced branch prediction and out-of-order execution for optimal performance.
Alder Lake Instruction Set Features
Supported CPU instructions and extensions
The Core i5-1235U by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.
i5-1235U Power & Thermal
TDP and power specifications
The Intel Core i5-1235U has a TDP (Thermal Design Power) of 15W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.
Intel BGA 1744 Platform & Socket
Compatibility information
The Core i5-1235U uses the Intel BGA 1744 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.
Intel BGA 1744 Memory Support
RAM compatibility and speeds
Memory support specifications for the i5-1235U define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core i5-1235U determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.
Intel's Core i5-1235U Integrated Graphics
Built-in GPU specifications
The Intel Core i5-1235U includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the i5-1235U provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.
Core i5-1235U Product Information
Release and pricing details
The Intel Core i5-1235U is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core i5-1235U by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.
Core i5-1235U Benchmark Scores
cinebench_cinebench_r15_multicoreSource
Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core i5-1235U performs in parallel rendering workloads.
cinebench_cinebench_r15_singlecoreSource
Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Core i5-1235U handles tasks that can't be parallelized.
cinebench_cinebench_r20_multicoreSource
Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Core i5-1235U. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.
cinebench_cinebench_r20_singlecoreSource
Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Core i5-1235U. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.
cinebench_cinebench_r23_multicoreSource
Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Core i5-1235U after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.
cinebench_cinebench_r23_singlecoreSource
Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i5-1235U maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.
geekbench_multicoreSource
Geekbench multi-core tests Intel Core i5-1235U across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance. Higher scores indicate better capability in multitasking and content creation. The cross-platform nature of Geekbench allows direct comparison with systems running different operating systems.
geekbench_singlecoreSource
Geekbench single-core measures how fast one thread of Intel Core i5-1235U can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use. Many applications still depend primarily on single-thread performance. Gaming performance is also heavily influenced by single-core speed in CPU-limited scenarios.
passmark_data_compressionSource
Data compression measures how fast Intel Core i5-1235U can compress and decompress files. This is important for archiving, backup software, and file transfer applications. Higher scores mean faster ZIP, RAR, and backup operations. Software distribution and cloud storage services benefit from efficient compression performance.
passmark_data_encryptionSource
Data encryption tests how fast Intel Core i5-1235U can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher.
passmark_extended_instructionsSource
Extended instructions tests Intel Core i5-1235U performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads. Video encoding and image processing heavily utilize SIMD capabilities. Machine learning inference and scientific computing also benefit from strong SIMD performance.
passmark_find_prime_numbersSource
Find prime numbers tests Intel Core i5-1235U ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks.
passmark_floating_point_mathSource
Floating point math measures how Intel Core i5-1235U handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations. Game physics engines also rely heavily on floating point operations. Scientific and engineering applications benefit significantly from higher floating point scores.
passmark_integer_mathSource
Integer math tests how fast Intel Core i5-1235U processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations.
passmark_multithreadSource
PassMark multi-thread tests Intel Core i5-1235U across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability.
passmark_physicsSource
Physics tests how Intel Core i5-1235U handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements. Games with complex physics benefit from higher scores. Engineering applications like structural analysis and fluid dynamics also rely on physics computation.
passmark_random_string_sortingSource
Random string sorting measures how fast Intel Core i5-1235U can organize text data. This is important for database operations, search indexing, and data processing applications. Applications that process large amounts of text benefit from higher scores. Database servers and search engines rely heavily on efficient string manipulation.
passmark_single_threadSource
PassMark single-thread measures per-core performance of Intel Core i5-1235U across various computational tasks. This score is critical for gaming and single-threaded applications.
passmark_singlethreadSource
PassMark single-thread measures per-core performance of Intel Core i5-1235U across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.
About Intel Core i5-1235U
The Intel Core i5-1235U is built on the 10 nm Alder Lake‑U hybrid architecture, combining four high‑performance Golden Cove cores with six efficient efficiency cores for a total of ten cores and twelve threads. Its performance cores run at a modest 1.3 GHz base frequency but can boost up to 4.4 GHz under load, while the efficiency cores maintain lower power draw at their own dynamic frequencies. With a configurable TDP of 15 W, the chip balances mobile battery life and sustained performance, scaling power draw according to the workload and the system’s thermal envelope. A shared 12 MB L3 cache sits atop the core cluster, providing low‑latency data access that benefits both single‑threaded and multithreaded tasks, while each core also enjoys private L1/L2 caches. PassMark scores of 147,450 in data compression, 48,553 in integer math, and 43,303 in floating‑point math illustrate its strong mixed‑type capabilities, and the 12,923 multithread score confirms effective scaling across all cores. These characteristics make the i5‑1235U especially well‑suited for productivity suites, light content creation, code compilation, and moderate gaming at 1080p when paired with a capable GPU. Overall, the processor delivers a compelling blend of efficiency and performance for ultrathin laptops and convertibles that demand long battery life without sacrificing responsiveness.
The AMD Equivalent of Core i5-1235U
Looking for a similar processor from AMD? The AMD Ryzen 5 5500 offers comparable performance and features in the AMD lineup.
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