Intel Xeon Gold 6438M vs Intel Atom C3758

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CPU comparison with benchmarks


Intel Xeon Gold 6438M CPU1 vs CPU2 Intel Atom C3758
Intel Xeon Gold 6438M Intel Atom C3758

CPU comparison

Intel Xeon Gold 6438M or Intel Atom C3758 - 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 Gold 6438M has 32 cores with 64 threads and clocks with a maximum frequency of 3.90 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 6438M was released in Q1/2023.

The Intel Atom C3758 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3758 was released in Q3/2017.
Intel Xeon Gold (163) Family Intel Atom (108)
Intel Xeon Gold 5400/6400 (25) CPU group Intel Atom C3000 (20)
4 Generation 5
Sapphire Rapids Architecture Denverton
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Gold 6438M has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the Intel Xeon Gold 6438M is 2.20 GHz (3.90 GHz) while the Intel Atom C3758 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Atom C3758 is at 2.20 GHz.

Intel Xeon Gold 6438M Characteristic Intel Atom C3758
32 Cores 8
64 Threads 8
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.20 GHz Frequency 2.20 GHz
3.90 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 Gold 6438M Characteristic Intel Atom C3758
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Xeon Gold 6438M or Intel Atom C3758 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 Gold 6438M can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 307.2 GB/s. The Intel Atom C3758 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

Intel Xeon Gold 6438M Characteristic Intel Atom C3758
DDR5-4400, DDR5-4800 Memory DDR4-2400
4096 GB Max. Memory 256 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
307.2 GB/s Max. Bandwidth 38.4 GB/s
Yes ECC Yes
-- L2 Cache 16.00 MB
60.00 MB L3 Cache --
5.0 PCIe version 3.0
80 PCIe lanes 16
315.0 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Gold 6438M is 205 W, while the Intel Atom C3758 has a TDP of 25 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Gold 6438M Characteristic Intel Atom C3758
205 W TDP (PL1 / PBP) 25 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Xeon Gold 6438M is manufactured in 10 nm and has 60.00 MB cache. The Intel Atom C3758 is manufactured in 14 nm and has a 16.00 MB cache.

Intel Xeon Gold 6438M Characteristic Intel Atom C3758
10 nm Technology 14 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 SSE4.1, SSE4.2
LGA 4677 Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows, Linux Operating systems Windows 10, Linux
Q1/2023 Release date Q3/2017
3273 $ Release price 193 $
show more data show more data


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Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Gold 6438M Intel Xeon Gold 6438M
32C 64T @ 3.90 GHz
0 (0%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
349 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon Gold 6438M Intel Xeon Gold 6438M
32C 64T @ 2.20 GHz
0 (0%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
2612 (100%)

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 Gold 6438M Intel Xeon Gold 6438M
32C 64T @ 2.20 GHz
0 (0%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
4750 (100%)

Devices using this processor

Intel Xeon Gold 6438M Intel Atom C3758
Unknown Unknown

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