Intel Core i7-3820 vs AMD Ryzen 7 3800XT

Last updated:

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 AMD Ryzen 7 3800XT features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2020 and belongs to the 3 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 3800XT, you'll need a motherboard with a AM4 (PGA 1331) socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-3820 Name AMD Ryzen 7 3800XT
Intel Core i7 Extreme Edition Family AMD Ryzen 7
3 Generation 3
Intel Core i 3000X Group AMD Ryzen 3000
 
 

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 AMD Ryzen 7 3800XT has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 3800XT is 4.2 GHz
and turbo frequency for one core is 4.7 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) 4.7 GHz
Yes Overclocking Yes
normal Core architecture normal
3.6 GHz Frequency 4.2 GHz
8 Threads 16
None None 4.5 GHz
Yes Hyperthreading Yes
4 CPU Cores 8
4x Cores 8x
 
 

Internal Graphics

The Intel Core i7-3820 does not have integrated graphics.
The AMD Ryzen 7 3800XT does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- GPU (Turbo) --
 
 

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.
-- AVC --
-- VC-1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
-- VP8 --
-- h265 / HEVC (8 bit) --
-- JPEG --
-- AV1 --
 
 

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 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
4 Memory channels 2
64.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
51.2 GB/s Bandwidth 51.2 GB/s
DDR3-1066, DDR3-1333, DDR3-1600 Memory type DDR4-3200
 
 

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 105 W watts.
105 °C Tjunction max 95 °C
130 W TDP (PL1 / PBP) 105 W
 
 

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 AMD Ryzen 7 3800XT is manufactured using a 7 nm process.
In total, this processor boasts a generous 32.0 MB cache.
Q1/2012 Release date Q2/2020
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d (C2 Stepping) Virtualization AMD-V, SVM
SSE4.1, SSE4.2, AVX ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Monolithic Chip design Chiplet
Sandy Bridge E Architecture Matisse (Zen 2)
32 nm Technology 7 nm
LGA 2011 Socket AM4 (PGA 1331)
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
305 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
10.0 MB L3-Cache 32.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 7 3800XT
8C 16T @ 4.2 GHz
23728
23728
Intel Core i7-3820
4C 8T @ 3.6 GHz
5775
5775

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 7 3800XT
8C 16T @ 4.2 GHz
9612
9612
Intel Core i7-3820
4C 8T @ 3.6 GHz
3293
3293

Geekbench 6 (Multi-Core)

AMD Ryzen 7 3800XT
8C 16T @ 4.2 GHz
8246
8246
Intel Core i7-3820
4C 8T @ 3.6 GHz
2596
2596

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 7 3800XT
8C 16T @ 4.2 GHz
5676
5676
Intel Core i7-3820
4C 8T @ 3.6 GHz
1771
1771

Geekbench 6 (Single-Core)

AMD Ryzen 7 3800XT
8C 16T @ 4.2 GHz
1769
1769
Intel Core i7-3820
4C 8T @ 3.6 GHz
729
729

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 7 3800XT
8C 16T @ 4.2 GHz
1414
1414
Intel Core i7-3820
4C 8T @ 3.6 GHz
772
772