Intel Xeon W-11855M | AMD EPYC 7443P | |
CPU comparisonIn this CPU comparison, we compare the Intel Xeon W-11855M and the AMD EPYC 7443P and use benchmarks to check which processor is faster.
We compare the Intel Xeon W-11855M 6 core processor released in Q2/2021 with the AMD EPYC 7443P which has 24 CPU cores and was introduced in Q1/2021. |
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Intel Xeon W (83) | Family | AMD EPYC (129) |
Intel Xeon W-11000M (8) | CPU group | AMD EPYC 7003 (29) |
11 | Generation | 3 |
Tiger Lake H | Architecture | Milan (Zen 3) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon W-11855M is a 6 core processor with a clock frequency of 3.20 GHz (4.90 GHz). The processor can compute 12 threads at the same time. The AMD EPYC 7443P clocks with 2.85 GHz (4.00 GHz), has 24 CPU cores and can calculate 48 threads in parallel. |
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Intel Xeon W-11855M | Characteristic | AMD EPYC 7443P |
6 | Cores | 24 |
12 | Threads | 48 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.20 GHz | Frequency | 2.85 GHz |
4.90 GHz | Turbo Frequency (1 Core) | 4.00 GHz |
3.80 GHz | Turbo Frequency (All Cores) | 3.60 GHz |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel UHD Graphics 11th Gen (32 EU) | GPU | no iGPU |
0.35 GHz | GPU frequency | -- |
1.45 GHz | GPU (Turbo) | -- |
11 | GPU Generation | -- |
10 nm | Technology | |
3 | Max. displays | |
32 | Compute units | -- |
256 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | -- |
12 | 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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Intel UHD Graphics 11th Gen (32 EU) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Xeon W-11855M, while the AMD EPYC 7443P supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled. |
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Intel Xeon W-11855M | Characteristic | AMD EPYC 7443P |
DDR4-3200 | Memory | DDR4-3200 |
128 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
51.2 GB/s | Max. Bandwidth | 204.8 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
18.00 MB | L3 Cache | 128.00 MB |
4.0 | PCIe version | 4.0 |
20 | PCIe lanes | 128 |
39.4 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe Intel Xeon W-11855M has a TDP of 45 W. The TDP of the AMD EPYC 7443P is 200 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Xeon W-11855M | Characteristic | AMD EPYC 7443P |
45 W | TDP (PL1 / PBP) | 200 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
35 W | TDP down | 165 W |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Xeon W-11855M has 18.00 MB cache and is manufactured in 10 nm. The cache of AMD EPYC 7443P is at 128.00 MB. The processor is manufactured in 7 nm. |
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Intel Xeon W-11855M | Characteristic | AMD EPYC 7443P |
10 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
BGA 1787 | Socket | SP3 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q2/2021 | Release date | Q1/2021 |
450 $ | Release price | 1337 $ |
show more data | show more data | |
Intel Xeon W-11855M
6C 12T @ 4.90 GHz |
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AMD EPYC 7443P
24C 48T @ 4.00 GHz |
Intel Xeon W-11855M
6C 12T @ 3.80 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
Intel Xeon W-11855M
6C 12T @ 4.90 GHz |
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AMD EPYC 7443P
24C 48T @ 4.00 GHz |
Intel Xeon W-11855M
6C 12T @ 3.80 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
Intel Xeon W-11855M
6C 12T @ 3.80 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
Intel Xeon W-11855M
6C 12T @ 4.90 GHz |
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AMD EPYC 7443P
24C 48T @ 4.00 GHz |
Intel Xeon W-11855M
6C 12T @ 3.80 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
Intel Xeon W-11855M
6C 12T @ 4.90 GHz |
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AMD EPYC 7443P
24C 48T @ 4.00 GHz |
Intel Xeon W-11855M
6C 12T @ 3.80 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
Intel Xeon W-11855M
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz |
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AMD EPYC 7443P
@ 0.00 GHz |
Devices using this processor |
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Intel Xeon W-11855M | AMD EPYC 7443P |
Unknown | Unknown |