INTEL

Intel Core i5-660

Intel processor specifications and benchmark scores

2
Cores
4
Threads
3.6
GHz Boost
73W
TDP
πŸ–₯️Integrated GPU

Intel Core i5-660 Specifications

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Core i5-660 Core Configuration

Processing cores and threading

The Intel Core i5-660 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
⏱️

i5-660 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i5-660 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 i5-660 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.33 GHz
Boost Clock
3.6 GHz
Multiplier
25x
πŸ’Ύ

Intel's Core i5-660 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i5-660 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 i5-660'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)
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Westmere Architecture & Process

Manufacturing and design details

The Intel Core i5-660 is built on Intel's 32 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 i5-660 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Westmere
Codename
Clarkdale
Process Node
32 nm
Foundry
Intel
Transistors
382 million
Die Size
81 mmΒ²
Generation
Core i5 (Clarkdale)
πŸ”’

Westmere Instruction Set Features

Supported CPU instructions and extensions

The Core i5-660 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
AES-NI
Intel 64
VT-x
πŸ”Œ

i5-660 Power & Thermal

TDP and power specifications

The Intel Core i5-660 has a TDP (Thermal Design Power) of 73W, 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
73W
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Intel Socket 1156 Platform & Socket

Compatibility information

The Core i5-660 uses the Intel Socket 1156 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 Socket 1156
Chipsets
Intel H57, Intel H55, Intel P55
PCIe
Gen 2, 16 Lanes(CPU only)
Package
FC-LGA10
DDR5

Intel Socket 1156 Memory Support

RAM compatibility and speeds

Memory support specifications for the i5-660 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 i5-660 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
21.3 GB/s
πŸ–₯️

Intel's Core i5-660 Integrated Graphics

Built-in GPU specifications

The Intel Core i5-660 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 i5-660 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 HD
Graphics Model
Intel HD
πŸ“¦

Core i5-660 Product Information

Release and pricing details

The Intel Core i5-660 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 i5-660 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Jan 2010
Launch Price
$196
Market
Desktop
Status
End-of-life
Part Number
SLBLVSLBTK

Core i5-660 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 i5-660 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1495 of 1788
207
1%
Max: 14,978
Compare with other CPUs

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 i5-660. 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_multicore #1495 of 1788
863
1%
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 i5-660. 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_r20_singlecore #1494 of 1784
121
1%
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 i5-660 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_multicore #1494 of 1788
2,057
1%
Max: 148,601
Compare with other CPUs

πŸ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i5-660 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.

cinebench_cinebench_r23_singlecore #1495 of 1788
290
1%
Max: 20,979
Compare with other CPUs

About Intel Core i5-660

Intel Core i5-660 by Intel launched in 2010 as part of the Clarkdale generation, built on a 32 nm process with integrated HD Graphics. Does its dual-core, four-thread design still cut it for modern tasks? Base clocking at 3.33 GHz and turbo up to 3.60 GHz, the CPU relies on Hyper-Threading to juggle workloads. With 4 MB of L3 cache and a 73W TDP, it’s aimed at mainstream users who prioritize efficiency over raw power. Socket 1156 compatibility limits upgrade paths, but how much does that matter for budget builds? The Intel Core i5-660 by Intel isn’t a speed demon by today’s standards so who’s still buying it?

Benchmark data tells the story: Cinebench R23 multi-core scores of 2,057 points and R15 results at 207 points highlight its age. How does Intel Core i5-660 by Intel handle gaming or content creation in 2023? Paired with DDR3 memory and a budget B55 chipset board, it might survive light office work or retro gaming. At its $196 launch price, did it offer enough performance per dollar? Modern entry-level CPUs laugh at its single-core 290 R23 score, but can you justify upgrading? For legacy systems or NAS builds, the Intel Core i5-660 by Intel remains a β€œgood enough” relic if you’ve got the hardware to support it.

  • Architecture: Clarkdale (32 nm) with dual-core, four-thread design
  • Base/Turbo Clock: 3.33 GHz / 3.60 GHz
  • TDP: 73W, Socket 1156 compatible
  • L3 Cache: 4 MB shared across cores
  • Launch Date: January 7, 2010
  • Cinebench R23 Multi: 2,057 points

The AMD Equivalent of Core i5-660

Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 1400

AMD β€’ 4 Cores

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