Intel Atom Z3775D vs Intel Xeon Gold 6254

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CPU comparison with benchmarks


Intel Atom Z3775D CPU1 vs CPU2 Intel Xeon Gold 6254
Intel Atom Z3775D Intel Xeon Gold 6254

CPU comparison

In this CPU comparison, we compare the Intel Atom Z3775D and the Intel Xeon Gold 6254 and use benchmarks to check which processor is faster.

We compare the Intel Atom Z3775D 4 core processor released in Q1/2014 with the Intel Xeon Gold 6254 which has 18 CPU cores and was introduced in Q2/2019.
Intel Atom (108) Family Intel Xeon Gold (163)
Intel Atom Z3700 (16) CPU group Intel Xeon Gold 5200/6200 (55)
4 Generation 2
Bay Trail Architecture Cascade Lake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3775D is a 4 core processor with a clock frequency of 1.49 GHz (2.41 GHz). The processor can compute 4 threads at the same time. The Intel Xeon Gold 6254 clocks with 3.10 GHz (4.00 GHz), has 18 CPU cores and can calculate 36 threads in parallel.

Intel Atom Z3775D Characteristic Intel Xeon Gold 6254
4 Cores 18
4 Threads 36
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.49 GHz Frequency 3.10 GHz
2.41 GHz Turbo Frequency (1 Core) 4.00 GHz
-- Turbo Frequency (All Cores) 3.50 GHz

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 Atom Z3775D Characteristic Intel Xeon Gold 6254
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
0.31 GHz GPU frequency --
0.79 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
2 Max. displays
4 Compute units --
32 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

Up to 2 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom Z3775D, while the Intel Xeon Gold 6254 supports a maximum of 1024 GB of memory with a maximum memory bandwidth of 140.7 GB/s enabled.

Intel Atom Z3775D Characteristic Intel Xeon Gold 6254
DDR3L-1333 Memory DDR4-2933
2 GB Max. Memory 1024 GB
1 (Single Channel) Memory channels 6 (Hexa Channel)
10.6 GB/s Max. Bandwidth 140.7 GB/s
No ECC Yes
-- L2 Cache --
2.00 MB L3 Cache 24.75 MB
-- PCIe version 3.0
-- PCIe lanes 48
-- PCIe Bandwidth 47.3 GB/s

Thermal Management

The Intel Atom Z3775D has a TDP of 4 W. The TDP of the Intel Xeon Gold 6254 is 200 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom Z3775D Characteristic Intel Xeon Gold 6254
4 W TDP (PL1 / PBP) 200 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. --

Technical details

The Intel Atom Z3775D has 2.00 MB cache and is manufactured in 22 nm. The cache of Intel Xeon Gold 6254 is at 24.75 MB. The processor is manufactured in 14 nm.

Intel Atom Z3775D Characteristic Intel Xeon Gold 6254
22 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1380 Socket LGA 3647
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q1/2014 Release date Q2/2019
35 $ Release price 3803 $
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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
Intel Atom Z3775D (0%)
Intel Xeon Gold 6254 (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Atom Z3775D (3%)
Intel Xeon Gold 6254 (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 Atom Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
794 (3%)
Intel Xeon Gold 6254 Intel Xeon Gold 6254
18C 36T @ 3.50 GHz
29387 (100%)

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 Atom Z3775D Intel Atom Z3775D
4C 4T @ 2.41 GHz
0 (0%)
Intel Xeon Gold 6254 Intel Xeon Gold 6254
18C 36T @ 4.00 GHz
1082 (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 Atom Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
0 (0%)
Intel Xeon Gold 6254 Intel Xeon Gold 6254
18C 36T @ 3.50 GHz
16429 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Atom Z3775D Intel Atom Z3775D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (100%)
Intel Xeon Gold 6254 Intel Xeon Gold 6254
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Atom Z3775D Intel Xeon Gold 6254
Unknown Unknown

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