Intel Core i7-6820HK vs Intel Celeron 3955U

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6820HK or Intel Core i7-6820HK – 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 i7-6820HK features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i7 series.
To use the Intel Core i7-6820HK, you'll need a motherboard with a BGA 1440 socket.
The Intel Celeron 3955U features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q4/2015 and belongs to the 7 generation of the Intel Celeron series.
Intel Core i 6000H Group Intel Celeron 3000
6 Generation 7
Mobile Segment Mobile
Intel Core i7-6820HK Name Intel Celeron 3955U
Intel Core i7 Family Intel Celeron
 
 

CPU Cores and Base Frequency

The Intel Core i7-6820HK has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-6820HK is 2.7 GHz
and turbo frequency for one core is 3.6 GHz.
The Intel Celeron 3955U has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Celeron 3955U is 2.0 GHz
8 Threads 2
4x Cores 2x
4 CPU Cores 2
normal Core architecture normal
Yes Hyperthreading No
Yes Overclocking No
3.6 GHz Turbo Frequency (1 core) None
2.7 GHz Frequency 2.0 GHz
3.2 GHz Turbo Frequency (all cores) None
 
 

Internal Graphics

The Intel Core i7-6820HK has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-6820HK uses the Intel HD Graphics 530, 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 Celeron 3955U has integrated graphics, called iGPU for short.
Specifically, the Intel Celeron 3955U uses the Intel HD Graphics 510, which has 96 texture shaders
and 12 execution units.
192 Shaders 96
Q3/2015 Release date Q1/2015
14 nm Technology 14 nm
12 Direct X 12.0
32.0 GB Max. GPU Memory 32.0 GB
-- Max. displays --
24 Execution units 12
0.35 GHz GPU frequency 0.3 GHz
9 Generation 9
1.05 GHz GPU (Turbo) 0.9 GHz
Intel HD Graphics 530 GPU name Intel HD Graphics 510
 
 

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 Decode / Encode
Decode VC-1 Decode
Decode / Encode JPEG Decode
No AV1 No
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode VP9 Decode
Decode h265 / HEVC (10 bit) Decode
 
 

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 34.1 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 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-2133 Memory type DDR4-2133, DDR3L-1600, LPDDR3-1866
No ECC No
64.0 GB Max. Memory 32.0 GB
2 Memory channels 2
34.1 GB/s Bandwidth 34.1 GB/s
 
 

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 15 W watts.
None TDP down 10 W
45 W TDP (PL1 / PBP) 15 W
-- Tjunction max 100 °C
 
 

Technical details

The Intel Core i7-6820HK 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 Celeron 3955U is manufactured using a 14 nm process.
In total, this processor boasts a generous 2.0 MB cache.
Q3/2015 Release date Q4/2015
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
14 nm Technology 14 nm
Monolithic Chip design Monolithic
-- Release price --
Skylake H Architecture Kaby Lake U
8.0 MB L3-Cache 2.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
BGA 1440 Socket
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-6820HK
4C 8T @ 2.7 GHz
13643
13643
Intel Celeron 3955U
2C 2T @ 2.0 GHz
3778
3778

Geekbench 3, 64bit (Single-Core)

Intel Core i7-6820HK
4C 8T @ 2.7 GHz
3800
3800
Intel Celeron 3955U
2C 2T @ 2.0 GHz
2104
2104

Geekbench 6 (Multi-Core)

Intel Core i7-6820HK
4C 8T @ 2.7 GHz
3556
3556
Intel Celeron 3955U
2C 2T @ 2.0 GHz
780
780

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-6820HK
4C 8T @ 2.7 GHz
3477
3477
Intel Celeron 3955U
2C 2T @ 2.0 GHz
1018
1018

Geekbench 6 (Single-Core)

Intel Core i7-6820HK
4C 8T @ 2.7 GHz
1173
1173
Intel Celeron 3955U
2C 2T @ 2.0 GHz
445
445

Cinebench R15 (Multi-Core)

Intel Core i7-6820HK
4C 8T @ 2.7 GHz
694
694
Intel Celeron 3955U
2C 2T @ 2.0 GHz
159
159