Intel Core i7-3820 vs Intel Core i9-10900K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-3820 or Intel Core i7-3820 – 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 i7-3820 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2012 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-3820, you'll need a motherboard with a LGA 2011 socket.
The Intel Core i9-10900K features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Core i9 series.
To use the Intel Core i9-10900K, you'll need a motherboard with a LGA 1200 socket.
Intel Core i 3000X Group Intel Core i 10000
3 Generation 10
Intel Core i7-3820 Name Intel Core i9-10900K
Desktop / Server Segment Desktop / Server
Intel Core i7 Extreme Edition Family Intel Core i9
 
 

CPU Cores and Base Frequency

The Intel Core i7-3820 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3820 is 3.6 GHz
and turbo frequency for one core is 3.8 GHz.
The Intel Core i9-10900K has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-10900K is 3.7 GHz
and turbo frequency for one core is 5.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
3.8 GHz Turbo Frequency (1 core) 5.3 GHz
normal Core architecture normal
3.6 GHz Frequency 3.7 GHz
4 CPU Cores 10
Yes Overclocking Yes
Yes Hyperthreading Yes
4x Cores 10x
8 Threads 20
 
 

Internal Graphics

The Intel Core i7-3820 does not have integrated graphics.
The Intel Core i9-10900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-10900K uses the Intel UHD 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.
-- GPU (Turbo) 1.2 GHz
-- Technology 14 nm
-- Direct X 12
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Release date Q4/2017
GPU name Intel UHD Graphics 630
-- Shaders 192
-- GPU frequency 0.35 GHz
-- Generation 9.5
-- Max. displays --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 51.2 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 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 45.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR3-1066, DDR3-1333, DDR3-1600 Memory type DDR4-2933
51.2 GB/s Bandwidth 45.8 GB/s
Yes AES-NI Yes
No ECC No
pci PCIe pci
64.0 GB Max. Memory 128.0 GB
4 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 130 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 125 W watts.
None TDP down 95 W
130 W TDP (PL1 / PBP) 125 W
105 °C Tjunction max 100 °C
 
 

Technical details

The Intel Core i7-3820 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 10.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-10900K is manufactured using a 14 nm process.
In total, this processor boasts a generous 20.0 MB cache.
VT-x, VT-x EPT, VT-d (C2 Stepping) Virtualization VT-x, VT-x EPT, VT-d
32 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2
-- Part Number --
Monolithic Chip design Monolithic
Q1/2012 Release date Q2/2020
305 $ Release price 490 $
0 bytes L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
10.0 MB L3-Cache 20.0 MB
LGA 2011 Socket LGA 1200
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
Sandy Bridge E Architecture Comet Lake S
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-10900K
10C 20T @ 3.7 GHz
23706
23706
Intel Core i7-3820
4C 8T @ 3.6 GHz
5775
5775

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
11344
11344
Intel Core i7-3820
4C 8T @ 3.6 GHz
3293
3293

Geekbench 6 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
8990
8990
Intel Core i7-3820
4C 8T @ 3.6 GHz
2596
2596

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
7347
7347
Intel Core i7-3820
4C 8T @ 3.6 GHz
1771
1771

Geekbench 6 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1743
1743
Intel Core i7-3820
4C 8T @ 3.6 GHz
729
729

Geekbench 5, 64bit (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1417
1417
Intel Core i7-3820
4C 8T @ 3.6 GHz
772
772