Intel Core i3-2105 vs AMD Ryzen 7 5800

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CPU comparison with benchmarks


Intel Core i3-2105 CPU1 vs CPU2 AMD Ryzen 7 5800
Intel Core i3-2105 AMD Ryzen 7 5800

CPU comparison

Intel Core i3-2105 or AMD Ryzen 7 5800 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i3-2105 has 2 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i3-2105 was released in Q2/2011.

The AMD Ryzen 7 5800 has 8 cores with 16 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 7 5800 was released in Q2/2021.
Intel Core i3 (205) Family AMD Ryzen 7 (68)
Intel Core i 2000 (28) CPU group AMD Ryzen 5000 (12)
2 Generation 4
Sandy Bridge S Architecture Vermeer (Zen 3)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i3-2105 is a 2 core processor with a clock frequency of 3.10 GHz. The AMD Ryzen 7 5800 has 8 CPU cores with a clock frequency of 3.40 GHz (4.60 GHz).

Intel Core i3-2105 Characteristic AMD Ryzen 7 5800
2 Cores 8
4 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
3.10 GHz Frequency 3.40 GHz
-- Turbo Frequency (1 Core) 4.60 GHz
-- Turbo Frequency (All Cores) 4.00 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i3-2105 Characteristic AMD Ryzen 7 5800
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel HD Graphics 3000 GPU no iGPU
0.85 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
6 GPU Generation --
32 nm Technology
2 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
10.1 DirectX Version --

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.

Intel HD Graphics 3000 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i3-2105 supports a maximum of 32 GB of memory in 2 memory channels. The AMD Ryzen 7 5800 can connect up to 128 GB of memory in 2 memory channels.

Intel Core i3-2105 Characteristic AMD Ryzen 7 5800
DDR3-1333 Memory DDR4-3200
32 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache 4.00 MB
3.00 MB L3 Cache 32.00 MB
2.0 PCIe version 4.0
16 PCIe lanes 20
8.0 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i3-2105 has a TDP of 65 W, that of the AMD Ryzen 7 5800 is 65 W.

Intel Core i3-2105 Characteristic AMD Ryzen 7 5800
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 95 °C

Technical details

The Intel Core i3-2105 has a 3.00 MB cache, while the AMD Ryzen 7 5800 cache has a total of 36.00 MB.

Intel Core i3-2105 Characteristic AMD Ryzen 7 5800
32 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 1155 Socket AM4 (PGA 1331)
VT-x, VT-x EPT Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2011 Release date Q2/2021
134 $ Release price --
show more data show more data


Rate these processors

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Here you can rate the AMD Ryzen 7 5800 to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i3-2105 (30%)
AMD Ryzen 7 5800 (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i3-2105 (10%)
AMD Ryzen 7 5800 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
575 (34%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.60 GHz
1710 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
1280 (12%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
10966 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
515 (25%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.60 GHz
2087 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
1093 (11%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
10397 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
1883 (7%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
25960 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.60 GHz
1593 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
14065 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i3-2105 Intel Core i3-2105
Intel HD Graphics 3000 @ 1.10 GHz
211 (100%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i3-2105 Intel Core i3-2105
2C 4T @ 3.10 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 3.40 GHz
6328 (100%)

Devices using this processor

Intel Core i3-2105 AMD Ryzen 7 5800
Unknown Unknown

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