Intel Xeon Gold 6338T vs Intel Atom C3538

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CPU comparison with benchmarks


Intel Xeon Gold 6338T CPU1 vs CPU2 Intel Atom C3538
Intel Xeon Gold 6338T Intel Atom C3538

CPU comparison

Intel Xeon Gold 6338T or Intel Atom C3538 - 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 6338T has 24 cores with 48 threads and clocks with a maximum frequency of 3.40 GHz. Up to 6144 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 6338T was released in Q2/2021.

The Intel Atom C3538 has 4 cores with 4 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3538 was released in Q3/2017.
Intel Xeon Gold (163) Family Intel Atom (108)
Intel Xeon Gold 5300/6300 (21) CPU group Intel Atom C3000 (20)
3 Generation 5
Ice Lake Architecture Denverton
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Gold 6338T has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the Intel Xeon Gold 6338T is 2.10 GHz (3.40 GHz) while the Intel Atom C3538 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom C3538 is at 2.10 GHz.

Intel Xeon Gold 6338T Characteristic Intel Atom C3538
24 Cores 4
48 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.10 GHz Frequency 2.10 GHz
3.40 GHz Turbo Frequency (1 Core) --
2.80 GHz 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 6338T Characteristic Intel Atom C3538
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Xeon Gold 6338T or Intel Atom C3538 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 6338T can use up to 6144 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Intel Atom C3538 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.

Intel Xeon Gold 6338T Characteristic Intel Atom C3538
DDR4-3200 Memory DDR4-2133
6144 GB Max. Memory 256 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
204.8 GB/s Max. Bandwidth 34.1 GB/s
Yes ECC Yes
-- L2 Cache 8.00 MB
36.00 MB L3 Cache --
4.0 PCIe version 3.0
64 PCIe lanes 12
126.0 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Gold 6338T is 165 W, while the Intel Atom C3538 has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Gold 6338T Characteristic Intel Atom C3538
165 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Xeon Gold 6338T is manufactured in 10 nm and has 36.00 MB cache. The Intel Atom C3538 is manufactured in 14 nm and has a 8.00 MB cache.

Intel Xeon Gold 6338T Characteristic Intel Atom C3538
10 nm Technology 14 nm
Monolithic 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 4189 Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2021 Release date Q3/2017
2742 $ Release price 75 $
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 6338T Intel Xeon Gold 6338T
24C 48T @ 3.40 GHz
0 (0%)
Intel Atom C3538 Intel Atom C3538
4C 4T @ 2.10 GHz
332 (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 6338T Intel Xeon Gold 6338T
24C 48T @ 2.80 GHz
0 (0%)
Intel Atom C3538 Intel Atom C3538
4C 4T @ 2.10 GHz
1279 (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 6338T Intel Xeon Gold 6338T
24C 48T @ 2.80 GHz
0 (0%)
Intel Atom C3538 Intel Atom C3538
4C 4T @ 2.10 GHz
1961 (100%)

Devices using this processor

Intel Xeon Gold 6338T Intel Atom C3538
Unknown Unknown

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