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AMD Athlon II X3 445 vs Intel Core i3-2100

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CPU comparison with benchmarks


AMD Athlon II X3 445 CPU1 vs CPU2 Intel Core i3-2100
AMD Athlon II X3 445 Intel Core i3-2100

CPU comparison

AMD Athlon II X3 445 or Intel Core i3-2100 - 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 AMD Athlon II X3 445 has 3 cores with 3 threads and clocks with a maximum frequency of 3.10 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X3 445 was released in Q2/2010.

The Intel Core i3-2100 has 2 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i3-2100 was released in Q1/2011.
AMD Athlon II (52) Family Intel Core i3 (205)
AMD Athlon II X3 (Rana) (12) CPU group Intel Core i 2000 (28)
1 Generation 2
Rana Architecture Sandy Bridge S
Desktop Segment Desktop
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X3 445 has 3 CPU cores and can calculate 3 threads in parallel. The clock frequency of the AMD Athlon II X3 445 is 3.10 GHz while the Intel Core i3-2100 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i3-2100 is at 3.10 GHz.
AMD Athlon II X3 445 Characteristic Intel Core i3-2100
3 Cores 2
3 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
3.10 GHz Frequency 3.10 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
AMD Athlon II X3 445 Characteristic Intel Core i3-2100
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Athlon II X3 445 or Intel Core i3-2100 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
no iGPU GPU Intel HD Graphics 2000
GPU frequency 0.85 GHz
-- GPU (Turbo) 1.10 GHz
-- GPU Generation 6
Technology 32 nm
Max. displays 2
-- Compute units 6
-- Shader 48
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 10.1

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 iGPU GPU Intel HD Graphics 2000
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG No

Memory & PCIe

The AMD Athlon II X3 445 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core i3-2100 supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.
AMD Athlon II X3 445 Characteristic Intel Core i3-2100
DDR3-1333 Memory DDR3-1333
16 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
1.50 MB L2 Cache 0.50 MB
-- L3 Cache 3.00 MB
2.0 PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Athlon II X3 445 is 95 W, while the Intel Core i3-2100 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Athlon II X3 445 Characteristic Intel Core i3-2100
95 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Athlon II X3 445 is manufactured in 45 nm and has 1.50 MB cache. The Intel Core i3-2100 is manufactured in 32 nm and has a 3.50 MB cache.
AMD Athlon II X3 445 Characteristic Intel Core i3-2100
45 nm Technology 32 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX
AM3 Socket LGA 1155
AMD-V Virtualization VT-x, VT-x EPT
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2010 Release date Q1/2011
-- Release price 120 $
show more data show more data


Rate these processors

Here you can rate the AMD Athlon II X3 445 to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:
Here you can rate the Intel Core i3-2100 to help other visitors make their purchasing decisions. The average rating is 3.6 stars (11 ratings). Rate now:

Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Athlon II X3 445 (67%)
Intel Core i3-2100 (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Athlon II X3 445 (88%)
Intel Core i3-2100 (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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
383 (67%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
575 (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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
978 (77%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
1262 (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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
1808 (98%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
1846 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
515 (100%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
1082 (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.
AMD Athlon II X3 445 AMD Athlon II X3 445
@ 0.00 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
Intel HD Graphics 2000 @ 1.10 GHz
106 (100%)

CPU-Z Benchmark 17 (Single-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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
253 (100%)

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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
738 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
93 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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.
AMD Athlon II X3 445 AMD Athlon II X3 445
3C 3T @ 3.10 GHz
0 (0%)
Intel Core i3-2100 Intel Core i3-2100
2C 4T @ 3.10 GHz
263 (100%)

Devices using this processor
AMD Athlon II X3 445 Intel Core i3-2100
Unknown Unknown

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