INTEL

Intel Core i7-875K

Intel processor specifications and benchmark scores

4
Cores
8
Threads
3.6
GHz Boost
95W
TDP
🔓Unlocked

Intel Core i7-875K Specifications

⚙️

Core i7-875K Core Configuration

Processing cores and threading

The Intel Core i7-875K 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
⏱️

i7-875K Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-875K 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 i7-875K by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.93 GHz
Boost Clock
3.6 GHz
Multiplier
22x 🔓
💾

Intel's Core i7-875K Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-875K 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 i7-875K'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 i7-875K 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 i7-875K 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 i7-875K 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
🔌

i7-875K Power & Thermal

TDP and power specifications

The Intel Core i7-875K has a TDP (Thermal Design Power) of 95W, 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
95W
🔧

Intel Socket 1156 Platform & Socket

Compatibility information

The Core i7-875K 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
H55, H57, P55
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 i7-875K 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 i7-875K 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
📦

Core i7-875K Product Information

Release and pricing details

The Intel Core i7-875K 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 i7-875K by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
May 2010
Launch Price
$353
Market
Desktop
Status
End-of-life
Part Number
SLBS2

Core i7-875K 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 i7-875K performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #1387 of 1788
269
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 i7-875K.

cinebench_cinebench_r20_multicore #1388 of 1788
1,121
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 i7-875K.

cinebench_cinebench_r20_singlecore #1389 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 i7-875K after thermal limits kick in.

cinebench_cinebench_r23_multicore #1389 of 1788
2,670
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 i7-875K maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #1389 of 1788
377
2%
Max: 20,979

geekbench_multicoreSource

Geekbench multi-core tests Intel Core i7-875K across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance.

geekbench_multicore #524 of 711
1,696
8%
Max: 22,515
Compare with other CPUs

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of Intel Core i7-875K can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use.

geekbench_singlecore #580 of 711
499
15%
Max: 3,401

About Intel Core i7-875K

Have you ever dug into the specs of older tech and wondered if it still has any juice left for modern setups? The Intel Core i7-875K from Intel, launched back in 2010, packs four cores and eight threads with a base clock of 2.93 GHz that turbo boosts up to 3.60 GHz. Built on a 45 nm process, it shares an 8 MB L3 cache and draws 95W of TDP, making it a solid mid-range performer for its era. In practical performance, this Lynnfield generation chip handled everyday multitasking like web browsing and light photo editing without breaking a sweat, but does it keep up with today's demands? For casual gaming from that time, it delivered decent frame rates in titles like Crysis, questioning whether you'd want to pair it with an old GPU now. Overall, its unlocked multiplier invites overclocking fun, sparking curiosity about pushing those clocks higher for better real-world speeds.

Shifting to workstation performance, could the i7-875K processor by Intel tackle professional workloads from a decade ago? Benchmark scores reveal its multicore prowess: Cinebench R23 multicore at 2,670 points, Geekbench multicore at 1,696, and Cinebench R20 multicore at 1,121, showing respectable rendering and simulation capabilities back then. Single-core tasks clock in with Geekbench at 499 and Cinebench R23 at 377, adequate for video editing suites of the period but lagging behind current standards. In a workstation setup, it supported creative software like Adobe Premiere without major hiccups, yet you'd question its efficiency for heavy 3D modeling today. The shared L3 cache helped in thread-heavy apps, but power-hungry at 95W, it might not be the green choice now. Here's a quick rundown of its key benchmarks:

  • Cinebench R23 Multicore: 2,670 points
  • Geekbench Multicore: 1,696 points
  • Cinebench R20 Multicore: 1,121 points
  • Geekbench Singlecore: 499 points
  • Cinebench R23 Singlecore: 377 points
  • Launch Price: $353

Thinking about price-to-performance, is that classic i7-875K chip from Intel still a bargain hunt for budget builders? Originally priced at $353, it's now dirt cheap on the second-hand market, offering killer value for retro gaming rigs or basic servers. With its solid benchmark returns relative to cost, it punches above its weight for entry-level tasks, but does the aging architecture justify the investment over newer budget options? Motherboard support is limited to the Intel Socket 1156, compatible with Lynnfield-era boards like P55 chipsets, which raises questions about availability and upgrade paths today. You'll need to scout eBay for compatible DDR3 RAM and motherboards, pondering if the hassle is worth the nostalgic performance boost. Ultimately, it shines for tinkerers valuing overclocking potential over cutting-edge efficiency.

The AMD Equivalent of Core i7-875K

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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