INTEL

Intel Core i7-5557U

Intel processor specifications and benchmark scores

2
Cores
4
Threads
3.4
GHz Boost
28W
TDP
🖥️Integrated GPU

Intel Core i7-5557U Specifications

⚙️

Core i7-5557U Core Configuration

Processing cores and threading

The Intel Core i7-5557U features 2 physical cores and 4 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.

Cores
2
Threads
4
SMP CPUs
1
⏱️

i7-5557U Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-5557U 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 i7-5557U by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.1 GHz
Boost Clock
3.4 GHz
Multiplier
31x
💾

Intel's Core i7-5557U Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-5557U 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 i7-5557U's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
4 MB (shared)
🏗️

Broadwell Architecture & Process

Manufacturing and design details

The Intel Core i7-5557U is built on Intel's 14 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 i7-5557U incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Broadwell
Codename
Broadwell-U
Process Node
14 nm
Foundry
Intel
Transistors
1,900 million
Die Size
133 mm²
Generation
Core i7 (Broadwell-U)
🔢

Broadwell Instruction Set Features

Supported CPU instructions and extensions

The Core i7-5557U 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.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AVX
AVX2
FMA3
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
🔌

i7-5557U Power & Thermal

TDP and power specifications

The Intel Core i7-5557U has a TDP (Thermal Design Power) of 28W, 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.

TDP
28W
Configurable TDP
23W
🔧

Intel BGA 1168 Platform & Socket

Compatibility information

The Core i7-5557U uses the Intel BGA 1168 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.

Socket
Intel BGA 1168
PCIe
Gen 2, 12 Lanes(CPU only)
Package
FC-BGA14F
DDR5

Intel BGA 1168 Memory Support

RAM compatibility and speeds

Memory support specifications for the i7-5557U 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 i7-5557U 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.

Memory Type
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
29.9 GB/s
🖥️

Intel's Core i7-5557U Integrated Graphics

Built-in GPU specifications

The Intel Core i7-5557U 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 i7-5557U 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.

iGPU
Intel Iris 6100
Graphics Model
Intel Iris 6100
📦

Core i7-5557U Product Information

Release and pricing details

The Intel Core i7-5557U 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 i7-5557U by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Mar 2015
Launch Price
$426
Market
Mobile
Status
End-of-life
Part Number
SR26E

Core i7-5557U 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 i7-5557U performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #1384 of 1788
270
2%
Max: 14,978

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 i7-5557U.

cinebench_cinebench_r20_multicore #1385 of 1788
1,127
2%
Max: 62,412
Compare with other CPUs

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 i7-5557U.

cinebench_cinebench_r20_singlecore #1385 of 1784
158
2%
Max: 8,811

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 i7-5557U after thermal limits kick in.

cinebench_cinebench_r23_multicore #1385 of 1788
2,684
2%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i7-5557U maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #1386 of 1788
378
2%
Max: 20,979

geekbench_multicoreSource

Geekbench multi-core tests Intel Core i7-5557U across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance.

geekbench_multicore #482 of 711
2,099
9%
Max: 22,515
Compare with other CPUs

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of Intel Core i7-5557U can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use.

geekbench_singlecore #440 of 711
1,060
31%
Max: 3,401
Compare with other CPUs

About Intel Core i7-5557U

The Intel Core i7-5557U, a dual-core processor from Intel's Broadwell-U generation, launched in March 2015 with a base clock speed of 3.10 GHz and a turbo boost up to 3.40 GHz, enabling efficient performance for everyday computing tasks. This chip supports hyper-threading, allowing its two cores to handle four threads simultaneously, which enhances multi-threading capabilities for applications like web browsing, office productivity, and light media editing. In benchmarks, the i7-5557U scores 2,684 points in Cinebench R23 multicore and 2,099 in Geekbench multicore, reflecting solid multi-threaded performance relative to its era. Its 14nm process contributes to a compact design with a 4MB shared L3 cache, supplemented by smaller L1 and L2 caches per core for quick data access. Overall, these specifications position the processor as a reliable choice for ultrabooks and thin laptops targeting mobile professionals. The turbo clock ensures responsive single-threaded operations, as seen in its 1,060 Geekbench single-core score and 378 in Cinebench R23 single-core. Cache hierarchy plays a key role in minimizing latency during threaded workloads. With a 28W TDP, the i7-5557U balances power consumption for extended battery life in portable devices, making it suitable for business travelers who prioritize efficiency over raw power. This thermal design point keeps heat output manageable within slim chassis, though it may throttle under sustained heavy loads compared to higher-TDP counterparts. Target use cases include corporate email management, document processing, and virtual meetings, where the processor's four threads handle concurrent tasks without excessive energy draw. In Cinebench R20 multicore, it achieves 1,127 points, underscoring its adequacy for such scenarios without overwhelming cooling needs. The BGA 1168 socket integration further supports its role in low-profile systems. At a launch price of $426, the i7-5557U offered premium features for mid-range ultraportables. Its multi-threading and clock speeds remain relevant for legacy office setups today.

The AMD Equivalent of Core i7-5557U

Looking for a similar processor from AMD? The AMD Ryzen 7 1700 offers comparable performance and features in the AMD lineup.

AMD Ryzen 7 1700

AMD • 8 Cores

View Specs Compare

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