INTEL

Intel Core i7-7820HK

Intel processor specifications and benchmark scores

4
Cores
8
Threads
3.9
GHz Boost
45W
TDP
🔓Unlocked 🖥️Integrated GPU

Intel Core i7-7820HK Specifications

⚙️

Core i7-7820HK Core Configuration

Processing cores and threading

The Intel Core i7-7820HK 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
⏱️

i7-7820HK Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-7820HK 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 i7-7820HK by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.9 GHz
Boost Clock
3.9 GHz
All-Core Turbo
3.5 GHz
Multiplier
29x 🔓
💾

Intel's Core i7-7820HK Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-7820HK 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 i7-7820HK'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)
🏗️

Kaby Lake Architecture & Process

Manufacturing and design details

The Intel Core i7-7820HK 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 i7-7820HK incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Kaby Lake
Codename
Kaby Lake-H
Process Node
14 nm
Foundry
Intel
Die Size
126 mm²
Generation
Core i7 (Kaby Lake-H)
🔢

Kaby Lake Instruction Set Features

Supported CPU instructions and extensions

The Core i7-7820HK 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
🔌

i7-7820HK Power & Thermal

TDP and power specifications

The Intel Core i7-7820HK has a TDP (Thermal Design Power) of 45W, 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
45W
Tj Max
100°C
🔧

Intel BGA 1440 Platform & Socket

Compatibility information

The Core i7-7820HK uses the Intel BGA 1440 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 1440
PCIe
Gen 3, 16 Lanes(CPU only)
Package
FC-BGA1440
DDR5

Intel BGA 1440 Memory Support

RAM compatibility and speeds

Memory support specifications for the i7-7820HK 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 i7-7820HK 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, DDR4
Memory Bus
Dual-channel
DDR4 Speed
2400 MT/s
🖥️

Intel's Core i7-7820HK Integrated Graphics

Built-in GPU specifications

The Intel Core i7-7820HK 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 i7-7820HK 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 630
Graphics Model
Intel HD Graphics 630
📦

Core i7-7820HK Product Information

Release and pricing details

The Intel Core i7-7820HK 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 i7-7820HK by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Jan 2017
Launch Price
$378
Market
Mobile
Status
End-of-life
Part Number
SR32P

Core i7-7820HK 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 i7-7820HK performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #991 of 1788
634
4%
Max: 14,978

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Core i7-7820HK handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance.

cinebench_cinebench_r15_singlecore #996 of 1245
89
4%
Max: 2,114

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 i7-7820HK.

cinebench_cinebench_r20_multicore #991 of 1788
2,645
4%
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 i7-7820HK.

cinebench_cinebench_r20_singlecore #991 of 1784
373
4%
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 i7-7820HK after thermal limits kick in.

cinebench_cinebench_r23_multicore #991 of 1788
6,298
4%
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 i7-7820HK maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #991 of 1788
889
4%
Max: 20,979

geekbench_multicoreSource

Geekbench multi-core tests Intel Core i7-7820HK across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance.

geekbench_multicore #370 of 711
4,173
19%
Max: 22,515
Compare with other CPUs

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of Intel Core i7-7820HK can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use.

geekbench_singlecore #364 of 711
1,273
37%
Max: 3,401
Compare with other CPUs

About Intel Core i7-7820HK

The Intel Core i7-7820HK is a quad-core, eight-thread processor built on Intel's 14nm Kaby Lake-H architecture, a configuration that was the high-end standard for gaming laptops of its era. With four physical cores and Hyper-Threading enabled, this chip can efficiently manage modern gaming workloads and moderate multi-tasking. While eight threads remain viable for many titles, it faces increasing pressure from modern games optimized for higher core counts. The unlocked multiplier of this HK-series CPU allows for manual overclocking, offering a key advantage for enthusiasts seeking to extract every last drop of performance from their mobile platform, a rarity in the laptop space.

Clock speeds are a strong point for this processor, starting at a 2.90 GHz base and capable of reaching up to 3.90 GHz under turbo conditions. This high single-threaded performance, evidenced by a solid Geekbench single-core score, was crucial for driving high frame rates in many games of its generation. The turbo algorithm intelligently manages power and thermal headroom to sustain higher clocks on lightly-threaded tasks. However, maintaining peak turbo frequencies across all four cores simultaneously under sustained loads was often challenging within the constraints of laptop cooling solutions, a common trade-off for mobile performance parts.

With a 45W TDP, this mobile CPU was designed for larger gaming or workstation laptops capable of handling its thermal output. The energy efficiency of the 14nm process was competitive at launch, balancing performance with battery life considerations for a powerful notebook. Its unlocked nature meant that system manufacturers and users could push power limits, often at the expense of thermals and fan noise. The platform's integrated memory controller supported dual-channel DDR4-2400 or DDR3L-2133, providing sufficient bandwidth to feed the CPU and paired discrete graphics without a significant bottleneck.

This processor was squarely targeted at high-performance gaming and content creation laptops, offering desktop-caliber features in a mobile form factor. The overclockable Kaby Lake-H chip excelled in single-threaded applications and gaming, where its high turbo clocks provided a smooth experience. It was a compelling choice for users demanding the utmost performance from a portable system during its market reign. Today, while surpassed by newer architectures with more cores and higher efficiency, the Core i7-7820HK remains a capable foundation for playing a vast library of games at respectable settings when paired with a powerful mobile GPU.

The AMD Equivalent of Core i7-7820HK

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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