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AMD Athlon Silver 7120U vs Intel Core i3-1215U

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CPU comparison with benchmarks


AMD Athlon Silver 7120U CPU1 vs CPU2 Intel Core i3-1215U
AMD Athlon Silver 7120U Intel Core i3-1215U

CPU comparison

AMD Athlon Silver 7120U or Intel Core i3-1215U - 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 Silver 7120U has 2 cores with 2 threads and clocks with a maximum frequency of 3.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon Silver 7120U was released in Q3/2022.

The Intel Core i3-1215U has 6 cores with 8 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i3-1215U was released in Q1/2022.
AMD Athlon (29) Family Intel Core i3 (205)
AMD Athlon Silver 7000 (2) CPU group Intel Core i 1200P/1200U (21)
5 Generation 12
Mendocino (Zen2) Architecture Alder Lake U
Notebook Segment Notebook
-- Predecessor --
-- Successor Intel Core i3-1315U

CPU Cores and Base Frequency

The AMD Athlon Silver 7120U has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD Athlon Silver 7120U is 2.40 GHz (3.50 GHz) while the Intel Core i3-1215U has 6 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i3-1215U is at 1.20 GHz (4.40 GHz).
AMD Athlon Silver 7120U Characteristic Intel Core i3-1215U
2 Cores 6
2 Threads 8
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
2.40 GHz (3.50 GHz) A-Core 1.20 GHz (4.40 GHz)
2x Golden Cove
-- B-Core 0.90 GHz (3.30 GHz)
4x Gracemont

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 Silver 7120U Characteristic Intel Core i3-1215U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Athlon Silver 7120U or Intel Core i3-1215U 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.
AMD Radeon 610M GPU Intel Iris Xe Graphics 64 (Alder Lake)
0.40 GHz GPU frequency 0.30 GHz
1.90 GHz GPU (Turbo) 1.10 GHz
9 GPU Generation 13
6 nm Technology 10 nm
3 Max. displays 4
2 Compute units 64
128 Shader 512
Yes Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 32 GB
12 DirectX Version 12.1

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.
AMD Radeon 610M GPU Intel Iris Xe Graphics 64 (Alder Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Athlon Silver 7120U can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 44.0 GB/s. The Intel Core i3-1215U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s.
AMD Athlon Silver 7120U Characteristic Intel Core i3-1215U
LPDDR5-5500 Memory LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200
16 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
44.0 GB/s Max. Bandwidth 83.2 GB/s
Yes ECC No
1.00 MB L2 Cache 4.50 MB
2.00 MB L3 Cache 10.00 MB
3.0 PCIe version 4.0
4 PCIe lanes 28
3.9 GB/s PCIe Bandwidth 55.1 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Athlon Silver 7120U is 15 W, while the Intel Core i3-1215U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Athlon Silver 7120U Characteristic Intel Core i3-1215U
15 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
-- TDP up --
-- TDP down --
95 °C Tjunction max. 100 °C

Technical details

The AMD Athlon Silver 7120U is manufactured in 6 nm and has 3.00 MB cache. The Intel Core i3-1215U is manufactured in 10 nm and has a 14.50 MB cache.
AMD Athlon Silver 7120U Characteristic Intel Core i3-1215U
6 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2
FT6 Socket BGA 1744
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2022 Release date Q1/2022
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Athlon Silver 7120U to help other visitors make their purchasing decisions. The average rating is 3.8 stars (74 ratings). Rate now:
Here you can rate the Intel Core i3-1215U to help other visitors make their purchasing decisions. The average rating is 4.4 stars (184 ratings). Rate now:

Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Athlon Silver 7120U (49%)
Intel Core i3-1215U (100%)
⌀ Multi core performance in 3 CPU benchmarks
AMD Athlon Silver 7120U (38%)
Intel Core i3-1215U (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 Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 3.50 GHz
1093 (53%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 4.40 GHz
2079 (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 Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
1911 (46%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 1.80 GHz
4135 (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 Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 3.50 GHz
711 (45%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 4.40 GHz
1596 (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 Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
1199 (23%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 1.80 GHz
5328 (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 Silver 7120U AMD Athlon Silver 7120U
AMD Radeon 610M @ 1.90 GHz
383 (35%)
Intel Core i3-1215U Intel Core i3-1215U
Intel Iris Xe Graphics 64 (Alder Lake) @ 1.10 GHz
1091 (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 Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
4978 (44%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 1.80 GHz
11350 (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.
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 3.50 GHz
0 (0%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 4.40 GHz
1633 (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.
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
0 (0%)
Intel Core i3-1215U Intel Core i3-1215U
6C 8T @ 1.80 GHz
6410 (100%)

Devices using this processor
AMD Athlon Silver 7120U Intel Core i3-1215U
Unknown Unknown

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