Intel Xeon Platinum 8450H vs Intel Atom S1240

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CPU comparison with benchmarks


Intel Xeon Platinum 8450H CPU1 vs CPU2 Intel Atom S1240
Intel Xeon Platinum 8450H Intel Atom S1240

CPU comparison

Intel Xeon Platinum 8450H or Intel Atom S1240 - 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 Xeon Platinum 8450H has 28 cores with 56 threads and clocks with a maximum frequency of 3.50 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Platinum 8450H was released in Q1/2023.

The Intel Atom S1240 has 2 cores with 4 threads and clocks with a maximum frequency of 1.60 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The Intel Atom S1240 was released in Q4/2012.
Intel Xeon Platinum (89) Family Intel Atom (108)
Intel Xeon Platinum 8400 (18) CPU group Intel Atom S1000 (3)
4 Generation 2
Sapphire Rapids Architecture Centerton
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Platinum 8450H has 28 CPU cores and can calculate 56 threads in parallel. The clock frequency of the Intel Xeon Platinum 8450H is 2.00 GHz (3.50 GHz) while the Intel Atom S1240 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom S1240 is at 1.60 GHz.

Intel Xeon Platinum 8450H Characteristic Intel Atom S1240
28 Cores 2
56 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.00 GHz Frequency 1.60 GHz
3.50 GHz Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Xeon Platinum 8450H Characteristic Intel Atom S1240
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Xeon Platinum 8450H or Intel Atom S1240 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.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A 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.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Xeon Platinum 8450H can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 307.2 GB/s. The Intel Atom S1240 supports up to 8 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 10.6 GB/s.

Intel Xeon Platinum 8450H Characteristic Intel Atom S1240
DDR5-4400, DDR5-4800 Memory DDR3-1333
4096 GB Max. Memory 8 GB
8 (Octa Channel) Memory channels 1 (Single Channel)
307.2 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC Yes
-- L2 Cache --
75.00 MB L3 Cache 1.00 MB
5.0 PCIe version 2.0
80 PCIe lanes 8
315.0 GB/s PCIe Bandwidth 4.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Platinum 8450H is 250 W, while the Intel Atom S1240 has a TDP of 6.1 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Platinum 8450H Characteristic Intel Atom S1240
250 W TDP (PL1 / PBP) 6.1 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Platinum 8450H is manufactured in 10 nm and has 75.00 MB cache. The Intel Atom S1240 is manufactured in 32 nm and has a 1.00 MB cache.

Intel Xeon Platinum 8450H Characteristic Intel Atom S1240
10 nm Technology 32 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE3
LGA 4677 Socket BGA 1283
VT-x, VT-x EPT, VT-d Virtualization VT-x
Yes AES-NI No
Windows, Linux Operating systems Windows 10, Linux
Q1/2023 Release date Q4/2012
4708 $ Release price 39 $
show more data show more data


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Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Xeon Platinum 8450H Intel Xeon Platinum 8450H
28C 56T @ 2.00 GHz
0 (0%)
Intel Atom S1240 Intel Atom S1240
2C 4T @ 1.60 GHz
432 (100%)

Devices using this processor

Intel Xeon Platinum 8450H Intel Atom S1240
Unknown Unknown

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