AMD A8-3800 | Intel Core i9-11900K | |
CPU comparisonAMD A8-3800 or Intel Core i9-11900K - 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 A8-3800 has 4 cores with 4 threads and clocks with a maximum frequency of 2.70 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A8-3800 was released in Q3/2011. The Intel Core i9-11900K has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-11900K was released in Q1/2021. |
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AMD A (112) | Family | Intel Core i9 (78) |
AMD A8-3000 (4) | CPU group | Intel Core i 11000 (22) |
1 | Generation | 11 |
Llano (K10) | Architecture | Rocket Lake S |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | Intel Core i9-10900K |
-- | Successor | Intel Core i9-12900K |
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CPU Cores and Base FrequencyThe AMD A8-3800 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD A8-3800 is 2.40 GHz (2.70 GHz) while the Intel Core i9-11900K has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i9-11900K is at 3.50 GHz (5.30 GHz). |
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AMD A8-3800 | Characteristic | Intel Core i9-11900K |
4 | Cores | 8 |
4 | Threads | 16 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
2.40 GHz | Frequency | 3.50 GHz |
2.70 GHz | Turbo Frequency (1 Core) | 5.30 GHz |
2.70 GHz | Turbo Frequency (All Cores) | 4.80 GHz |
Integrated graphics (iGPU)The AMD A8-3800 or Intel Core i9-11900K 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 UHD Graphics 750 |
0.60 GHz | GPU frequency | 0.35 GHz |
-- | GPU (Turbo) | 1.30 GHz |
3 | GPU Generation | 12 |
32 nm | Technology | 14 nm |
2 | Max. displays | 3 |
5 | Compute units | 32 |
400 | Shader | 256 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
1 GB | Max. GPU Memory | 64 GB |
11 | DirectX Version | 12 |
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 UHD Graphics 750 |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode |
No | Codec AV1 | Decode |
Decode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD A8-3800 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Core i9-11900K supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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AMD A8-3800 | Characteristic | Intel Core i9-11900K |
DDR3-1600 | Memory | DDR4-3200 |
Max. Memory | 128 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
25.6 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | No |
-- | L2 Cache | 4.00 MB |
4.00 MB | L3 Cache | 16.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 20 |
-- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A8-3800 is 65 W, while the Intel Core i9-11900K has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD A8-3800 | Characteristic | Intel Core i9-11900K |
65 W | TDP (PL1 / PBP) | 125 W |
-- | TDP (PL2) | 251 W @ 56 s |
-- | TDP up | -- |
-- | TDP down | 95 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD A8-3800 is manufactured in 32 nm and has 4.00 MB cache. The Intel Core i9-11900K is manufactured in 14 nm and has a 20.00 MB cache. |
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AMD A8-3800 | Characteristic | Intel Core i9-11900K |
32 nm | Technology | 14 nm |
Unknown | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
FM1 | Socket | LGA 1200 |
AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q3/2011 | Release date | Q1/2021 |
130 $ | Release price | 539 $ |
show more data | show more data | |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 5.30 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
AMD A8-3800
AMD Radeon HD 6550D @ 0.60 GHz |
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Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 5.30 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 5.30 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 5.30 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 5.30 GHz |
AMD A8-3800
4C 4T @ 2.40 GHz |
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Intel Core i9-11900K
8C 16T @ 3.50 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 5.30 GHz |
AMD A8-3800
4C 4T @ 2.70 GHz |
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Intel Core i9-11900K
8C 16T @ 4.80 GHz |
Devices using this processor |
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AMD A8-3800 | Intel Core i9-11900K |
Unknown | Unknown |