AMD A8-3870K | Intel Core i3-2125 | |
CPU comparisonAMD A8-3870K or Intel Core i3-2125 - 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 A8-3870K has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A8-3870K was released in Q4/2011. The Intel Core i3-2125 has 2 cores with 4 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i3-2125 was released in Q3/2011. |
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AMD A (112) | Family | Intel Core i3 (205) |
AMD A8-3000 (4) | CPU group | Intel Core i 2000 (28) |
1 | Generation | 2 |
Llano (K10) | Architecture | Sandy Bridge S |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A8-3870K has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD A8-3870K is 3.10 GHz while the Intel Core i3-2125 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i3-2125 is at 3.30 GHz. |
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AMD A8-3870K | Characteristic | Intel Core i3-2125 |
4 | Cores | 2 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.10 GHz | Frequency | 3.30 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD A8-3870K or Intel Core i3-2125 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. |
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AMD Radeon HD 6550D | GPU | Intel HD Graphics 3000 |
0.60 GHz | GPU frequency | 0.85 GHz |
-- | GPU (Turbo) | 1.10 GHz |
3 | GPU Generation | 6 |
32 nm | Technology | 32 nm |
2 | Max. displays | 2 |
5 | Compute units | 12 |
400 | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
1 GB | Max. GPU Memory | 2 GB |
11 | DirectX Version | 10.1 |
Hardware codec supportA 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. |
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AMD Radeon HD 6550D | GPU | Intel HD Graphics 3000 |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD A8-3870K can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Core i3-2125 supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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AMD A8-3870K | Characteristic | Intel Core i3-2125 |
DDR3-1600 | Memory | DDR3-1333 |
Max. Memory | 32 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
25.6 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 3.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A8-3870K is 100 W, while the Intel Core i3-2125 has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD A8-3870K | Characteristic | Intel Core i3-2125 |
100 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD A8-3870K is manufactured in 32 nm and has 4.00 MB cache. The Intel Core i3-2125 is manufactured in 32 nm and has a 3.00 MB cache. |
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AMD A8-3870K | Characteristic | Intel Core i3-2125 |
32 nm | Technology | 32 nm |
Unknown | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX |
FM1 | Socket | LGA 1155 |
AMD-V | Virtualization | VT-x, VT-x EPT |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2011 | Release date | Q3/2011 |
80 $ | Release price | 144 $ |
show more data | show more data | |
AMD A8-3870K
AMD Radeon HD 6550D @ 0.60 GHz |
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Intel Core i3-2125
Intel HD Graphics 3000 @ 1.10 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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Intel Core i3-2125
2C 4T @ 3.30 GHz |
Devices using this processor |
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AMD A8-3870K | Intel Core i3-2125 |
Unknown | Unknown |