AMD A8-3870K | AMD EPYC 7763 | |
CPU comparisonAMD A8-3870K or AMD EPYC 7763 - 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 AMD EPYC 7763 has 64 cores with 128 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7763 was released in Q1/2021. |
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AMD A (112) | Family | AMD EPYC (129) |
AMD A8-3000 (4) | CPU group | AMD EPYC 7003 (29) |
1 | Generation | 3 |
Llano (K10) | Architecture | Milan (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD EPYC 7662 |
-- | 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 AMD EPYC 7763 has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7763 is at 2.45 GHz (3.50 GHz). |
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AMD A8-3870K | Characteristic | AMD EPYC 7763 |
4 | Cores | 64 |
4 | Threads | 128 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.10 GHz | Frequency | 2.45 GHz |
-- | Turbo Frequency (1 Core) | 3.50 GHz |
-- | Turbo Frequency (All Cores) | 3.20 GHz |
Integrated graphics (iGPU)The AMD A8-3870K or AMD EPYC 7763 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 | no iGPU |
0.60 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
3 | GPU Generation | -- |
32 nm | Technology | |
2 | Max. displays | |
5 | Compute units | -- |
400 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
1 GB | Max. GPU Memory | -- |
11 | DirectX Version | -- |
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 | no iGPU |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode | Codec AVC | No |
Decode | Codec VC-1 | No |
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 AMD EPYC 7763 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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AMD A8-3870K | Characteristic | AMD EPYC 7763 |
DDR3-1600 | Memory | DDR4-3200 |
Max. Memory | 4096 GB | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
25.6 GB/s | Max. Bandwidth | 204.8 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 256.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A8-3870K is 100 W, while the AMD EPYC 7763 has a TDP of 280 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD A8-3870K | Characteristic | AMD EPYC 7763 |
100 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 225 W |
-- | Tjunction max. | -- |
Technical detailsThe AMD A8-3870K is manufactured in 32 nm and has 4.00 MB cache. The AMD EPYC 7763 is manufactured in 7 nm and has a 256.00 MB cache. |
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AMD A8-3870K | Characteristic | AMD EPYC 7763 |
32 nm | Technology | 7 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FM1 | Socket | SP3 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2011 | Release date | Q1/2021 |
80 $ | Release price | 7890 $ |
show more data | show more data | |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
AMD A8-3870K
AMD Radeon HD 6550D @ 0.60 GHz |
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AMD EPYC 7763
@ 0.00 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 GHz |
AMD A8-3870K
4C 4T @ 3.10 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
Devices using this processor |
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AMD A8-3870K | AMD EPYC 7763 |
Unknown | Unknown |