INTEL

Intel Core i7-870S

Intel processor specifications and benchmark scores

4
Cores
8
Threads
3.6
GHz Boost
82W
TDP

Intel Core i7-870S Specifications

⚙️

Core i7-870S Core Configuration

Processing cores and threading

The Intel Core i7-870S features 4 physical cores and 8 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
4
Threads
8
SMP CPUs
1
⏱️

i7-870S Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-870S 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 i7-870S by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.67 GHz
Boost Clock
3.6 GHz
Multiplier
20x
💾

Intel's Core i7-870S Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-870S 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 i7-870S'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
8 MB (shared)
🏗️

Nehalem Architecture & Process

Manufacturing and design details

The Intel Core i7-870S is built on Intel's 45 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 i7-870S incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Nehalem
Codename
Lynnfield
Process Node
45 nm
Foundry
Intel
Transistors
774 million
Die Size
296 mm²
Generation
Core i7 (Lynnfield)
🔢

Nehalem Instruction Set Features

Supported CPU instructions and extensions

The Core i7-870S 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
Intel 64
VT-x
🔌

i7-870S Power & Thermal

TDP and power specifications

The Intel Core i7-870S has a TDP (Thermal Design Power) of 82W, 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
82W
🔧

Intel Socket 1156 Platform & Socket

Compatibility information

The Core i7-870S 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
PCIe
Gen 2, 16 Lanes(CPU only)
Package
FC-LGA8
DDR5

Intel Socket 1156 Memory Support

RAM compatibility and speeds

Memory support specifications for the i7-870S 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 i7-870S 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
📦

Core i7-870S Product Information

Release and pricing details

The Intel Core i7-870S 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 i7-870S by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Jul 2010
Market
Desktop
Status
End-of-life
Part Number
SLBQ7

Core i7-870S 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 i7-870S performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #1445 of 1788
236
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 i7-870S.

cinebench_cinebench_r20_multicore #1444 of 1788
987
2%
Max: 62,412

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 i7-870S.

cinebench_cinebench_r20_singlecore #1443 of 1784
139
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 i7-870S after thermal limits kick in.

cinebench_cinebench_r23_multicore #1444 of 1788
2,350
2%
Max: 148,601
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i7-870S maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #1444 of 1788
331
2%
Max: 20,979
Compare with other CPUs

About Intel Core i7-870S

The Intel Core i7-870S offers solid performance for its time, making it a reliable choice for users seeking a balance between power and efficiency. This processor, part of the Lynnfield generation, features four cores and eight threads, allowing it to handle multitasking and moderate workloads with ease. Its 2.67 GHz base clock and 3.60 GHz turbo boost provide a good foundation for everyday computing, from web browsing to light content creation. The 8 MB of shared L3 cache ensures efficient data handling, which is particularly useful in applications that require quick access to large datasets. While not the fastest processor available in its era, the Intel Core i7-870S delivers consistent performance that remains relevant for many users. In terms of productivity benchmarks, the Intel Core i7-870S performs admirably in tasks such as document editing, media rendering, and basic video processing. Its Cinebench R23 multicore score of 2,350 points and R20 multicore score of 987 points reflect its ability to handle complex computations efficiently. These results place it above many mainstream processors of the time, making it a good option for users who need more than just basic performance. The single-core scores of 331 and 139 in R23 and R20 respectively indicate that it can still handle single-threaded applications without significant lag. The Intel Core i7-870S is particularly well-suited for environments where multiple processes run simultaneously, offering a good blend of speed and reliability. When considering cost effectiveness, the Intel Core i7-870S stands out as a value-oriented processor that delivers strong performance for its price. Its 82W TDP ensures it remains relatively energy efficient, which can lead to lower electricity costs and reduced cooling requirements. This makes it a practical choice for budget builds or systems that prioritize power efficiency. The 45 nm manufacturing process contributes to its stability and longevity, allowing it to run reliably over extended periods. The Intel Core i7-870S is also compatible with a wide range of motherboards, which can further enhance its value by offering flexibility in system configuration. Its enduring performance makes it a smart investment for users looking for long-term reliability. Motherboard support for the Intel Core i7-870S is extensive, as it uses the Intel Socket 1156, which was widely adopted in the late 2000s and early 2010s. This socket allows compatibility with a variety of chipsets, including the H55, H57, and P55, which offer different levels of performance and features. The Intel Core i7-870S benefits from this support by enabling users to build or upgrade systems with a range of available components. Many of these motherboards still function well today, especially with modern power supplies and cooling solutions. The broad support for the Intel Core i7-870S ensures that it remains a viable option for retro builds or systems that require a stable and proven processor. This compatibility continues to make the Intel Core i7-870S a practical choice for enthusiasts and professionals alike.

The AMD Equivalent of Core i7-870S

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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