Intel Core i3-2120T vs Intel Core i7-5820K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i3-2120T or Intel Core i3-2120T – 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 i3-2120T features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2011 and belongs to the 2 generation of the Intel Core i3 series.
To use the Intel Core i3-2120T, you'll need a motherboard with a LGA 1155 socket.
The Intel Core i7-5820K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q3/2014 and belongs to the 5 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-5820K, you'll need a motherboard with a LGA 2011-3 socket.
Intel Core i 2000 Group Intel Core i 5000X
2 Generation 5
Desktop / Server Segment Desktop / Server
Intel Core i3-2120T Name Intel Core i7-5820K
Intel Core i3 Family Intel Core i7 Extreme Edition
 
 

CPU Cores and Base Frequency

The Intel Core i3-2120T has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i3-2120T is 2.6 GHz
The Intel Core i7-5820K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-5820K is 3.3 GHz
and turbo frequency for one core is 3.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
4 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking Yes
2x Cores 6x
2 CPU Cores 6
None None 3.6 GHz
2.6 GHz Frequency 3.3 GHz
None None 3.4 GHz
 
 

Internal Graphics

The Intel Core i3-2120T has integrated graphics, called iGPU for short.
Specifically, the Intel Core i3-2120T uses the Intel HD Graphics 2000, which has 48 texture shaders
and 6 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-5820K does not have integrated graphics.
48 Shaders --
Q1/2011 Release date --
32 nm Technology --
10.1 Direct X --
2.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
6 Execution units --
0.65 GHz GPU frequency --
6 Generation --
1.1 GHz GPU (Turbo) --
Intel HD Graphics 2000 GPU name
 
 

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.
No VP8 --
Decode VC-1 --
No JPEG --
No AV1 --
No h265 / HEVC (8 bit) --
Decode / Encode AVC --
Decode / Encode h264 --
No VP9 --
No h265 / HEVC (10 bit) --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 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 64.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 68.2 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
DDR3-1066, DDR3-1333 Memory type DDR4-2133
No ECC No
32.0 GB Max. Memory 64.0 GB
2 Memory channels 4
21.3 GB/s Bandwidth 68.2 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 35 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 140 W watts.
35 W TDP (PL1 / PBP) 140 W
-- Tjunction max --
 
 

Technical details

The Intel Core i3-2120T is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 3.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-5820K is manufactured using a 22 nm process.
In total, this processor boasts a generous 15.0 MB cache.
Q3/2011 Release date Q3/2014
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2
32 nm Technology 22 nm
Monolithic Chip design Monolithic
121 $ Release price 499 $
Sandy Bridge S Architecture Haswell E
3.0 MB L3-Cache 15.0 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 --
LGA 1155 Socket LGA 2011-3
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i7-5820K
6C 12T @ 3.3 GHz
5763
5763
Intel Core i3-2120T
2C 4T @ 2.6 GHz
903
903

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-5820K
6C 12T @ 3.3 GHz
5537
5537
Intel Core i3-2120T
2C 4T @ 2.6 GHz
1202
1202

Geekbench 6 (Single-Core)

Intel Core i7-5820K
6C 12T @ 3.3 GHz
1086
1086
Intel Core i3-2120T
2C 4T @ 2.6 GHz
418
418