Intel Core i7-1355U | Intel Xeon Platinum 8450H | |
CPU comparisonIntel Core i7-1355U or Intel Xeon Platinum 8450H - 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 Intel Core i7-1355U has 10 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core i7-1355U was released in Q1/2023. The Intel Xeon Platinum 8450H has 28 cores with 56 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 Intel Xeon Platinum 8450H was released in Q1/2023. |
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Intel Core i7 (298) | Family | Intel Xeon Platinum (89) |
Intel Core i 1300P/1300U (29) | CPU group | Intel Xeon Platinum 8400 (18) |
13 | Generation | 4 |
Raptor Lake U | Architecture | Sapphire Rapids |
Mobile | Segment | Desktop / Server |
Intel Core i7-1255U | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-1355U is a 10 core processor with a clock frequency of 1.70 GHz (5.00 GHz). The Intel Xeon Platinum 8450H has 28 CPU cores with a clock frequency of 2.00 GHz (3.50 GHz). |
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Intel Core i7-1355U | Characteristic | Intel Xeon Platinum 8450H |
10 | Cores | 28 |
12 | Threads | 56 |
hybrid (big.LITTLE) | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
1.70 GHz (5.00 GHz) 2x Raptor Cove |
A-Core | 2.00 GHz (3.50 GHz) |
1.20 GHz (3.70 GHz) 8x Gracemont |
B-Core | -- |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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Intel Iris Xe Graphics 96 (Alder Lake) | GPU | no iGPU |
0.35 GHz | GPU frequency | -- |
1.30 GHz | GPU (Turbo) | -- |
13 | GPU Generation | -- |
10 nm | Technology | |
4 | Max. displays | |
96 | Compute units | -- |
768 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
32 GB | Max. GPU Memory | -- |
12.1 | 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 Iris Xe Graphics 96 (Alder Lake) | 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 | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i7-1355U supports a maximum of 96 GB of memory in 2 memory channels. The Intel Xeon Platinum 8450H can connect up to 4096 GB of memory in 8 memory channels. |
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Intel Core i7-1355U | Characteristic | Intel Xeon Platinum 8450H |
LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200 | Memory | DDR5-4400, DDR5-4800 |
96 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
102.4 GB/s | Max. Bandwidth | 307.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
12.00 MB | L3 Cache | 75.00 MB |
4.0 | PCIe version | 5.0 |
20 | PCIe lanes | 80 |
39.4 GB/s | PCIe Bandwidth | 315.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-1355U has a TDP of 15 W, that of the Intel Xeon Platinum 8450H is 250 W. |
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Intel Core i7-1355U | Characteristic | Intel Xeon Platinum 8450H |
15 W | TDP (PL1 / PBP) | 250 W |
55 W | TDP (PL2) | -- |
-- | TDP up | -- |
12 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i7-1355U has a 12.00 MB cache, while the Intel Xeon Platinum 8450H cache has a total of 75.00 MB. |
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Intel Core i7-1355U | Characteristic | Intel Xeon Platinum 8450H |
10 nm | Technology | 10 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
BGA 1744 | Socket | LGA 4677 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows, Linux |
Q1/2023 | Release date | Q1/2023 |
-- | Release price | 4708 $ |
show more data | show more data | |
Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 3.50 GHz |
Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 3.50 GHz |
Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 3.50 GHz |
Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 2.00 GHz |
Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 3.50 GHz |
Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 2.00 GHz |
Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 3.50 GHz |
Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 2.00 GHz |
Intel Core i7-1355U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.30 GHz |
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Intel Xeon Platinum 8450H
@ 0.00 GHz |
Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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Intel Xeon Platinum 8450H
28C 56T @ 2.00 GHz |
Intel Core i7-1355U
9,687 CB R23 MC @ 52 W |
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Intel Xeon Platinum 8450H
2.00 GHz |
Devices using this processor |
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Intel Core i7-1355U | Intel Xeon Platinum 8450H |
Unknown | Unknown |