Intel Core i7-7820HK vs Intel Core i7-3770K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-7820HK or Intel Core i7-7820HK – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-7820HK features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2017 and belongs to the 7 generation of the Intel Core i7 series.
To use the Intel Core i7-7820HK, you'll need a motherboard with a BGA 1440 socket.
The Intel Core i7-3770K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2012 and belongs to the 3 generation of the Intel Core i7 series.
To use the Intel Core i7-3770K, you'll need a motherboard with a LGA 1155 socket.
Intel Core i7 Family Intel Core i7
Mobile Segment Desktop / Server
Intel Core i7-7820HK Name Intel Core i7-3770K
Intel Core i 7000H Group Intel Core i 3000
7 Generation 3
 
 

CPU Cores and Base Frequency

The Intel Core i7-7820HK has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-7820HK is 2.9 GHz
and turbo frequency for one core is 3.9 GHz.
The Intel Core i7-3770K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3770K is 3.5 GHz
4x Cores 4x
3.5 GHz Turbo Frequency (all cores) 3.9 GHz
2.9 GHz Frequency 3.5 GHz
4 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
8 Threads 8
3.9 GHz Turbo Frequency (1 core) 3.9 GHz
 
 

Internal Graphics

The Intel Core i7-7820HK has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-7820HK uses the Intel HD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-3770K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3770K uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
1.1 GHz GPU (Turbo) 1.15 GHz
Q2/2016 Release date Q1/2011
24 Execution units 16
12 Direct X 11.0
-- Max. displays --
192 Shaders 128
Intel HD Graphics 630 GPU name Intel HD Graphics 4000
0.3 GHz GPU frequency 0.65 GHz
64.0 GB Max. GPU Memory 2.0 GB
9.5 Generation 7
14 nm Technology 22 nm
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode VP8 No
Decode / Encode VP9 No
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode JPEG Decode
Decode VC-1 Decode
No AV1 No
Decode / Encode h265 / HEVC (8 bit) No
Decode / Encode h265 / HEVC (10 bit) No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
64.0 GB Max. Memory 32.0 GB
38.4 GB/s Bandwidth 25.6 GB/s
DDR3-1600, DDR4-2400 Memory type DDR3-1600
pci PCIe pci
2 Memory channels 2
No ECC No
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 77 W watts.
45 W TDP (PL1 / PBP) 77 W
-- Tjunction max --
 
 

Technical details

The Intel Core i7-7820HK is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-3770K is manufactured using a 22 nm process.
Technical data sheet Documents Technical data sheet
Q1/2017 Release date Q2/2012
BGA 1440 Socket LGA 1155
0 bytes L2-Cache 0 bytes
8.0 MB L3-Cache 8.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Kaby Lake H Architecture Ivy Bridge S
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
-- Release price 275 $
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
Monolithic Chip design Monolithic
14 nm Technology 22 nm
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
15105
15105
Intel Core i7-3770K
4C 8T @ 3.5 GHz
14944
14944

Geekbench 3, 64bit (Single-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
4146
4146
Intel Core i7-3770K
4C 8T @ 3.5 GHz
3782
3782

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
3982
3982
Intel Core i7-3770K
4C 8T @ 3.5 GHz
3409
3409

Geekbench 6 (Multi-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
3956
3956
Intel Core i7-3770K
4C 8T @ 3.5 GHz
2527
2527

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
1948
1948
Intel Core i7-3770K
4C 8T @ 3.5 GHz
1866
1866

Cinebench R20 (Multi-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
1801
1801
Intel Core i7-3770K
4C 8T @ 3.5 GHz
1391
1391

Geekbench 6 (Single-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
1264
1264
Intel Core i7-3770K
4C 8T @ 3.5 GHz
737
737

Cinebench R15 (Multi-Core)

Intel Core i7-7820HK
4C 8T @ 2.9 GHz
784
784
Intel Core i7-3770K
4C 8T @ 3.5 GHz
672
672

Blender 2.81 (bmw27)

Intel Core i7-3770K
4C 8T @ 3.5 GHz
597.4
597.4
Intel Core i7-7820HK
4C 8T @ 2.9 GHz
481.3
481.3