Intel Xeon Gold 6240R vs Intel Atom Z3775D

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CPU comparison with benchmarks


Intel Xeon Gold 6240R CPU1 vs CPU2 Intel Atom Z3775D
Intel Xeon Gold 6240R Intel Atom Z3775D

CPU comparison

Intel Xeon Gold 6240R or Intel Atom Z3775D - 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 6240R has 24 cores with 48 threads and clocks with a maximum frequency of 4.00 GHz. Up to 1024 GB of memory is supported in 6 memory channels. The Intel Xeon Gold 6240R was released in Q1/2020.

The Intel Atom Z3775D has 4 cores with 4 threads and clocks with a maximum frequency of 2.41 GHz. The CPU supports up to 2 GB of memory in 1 memory channels. The Intel Atom Z3775D was released in Q1/2014.
Intel Xeon Gold (163) Family Intel Atom (108)
Intel Xeon Gold 5200/6200 (55) CPU group Intel Atom Z3700 (16)
2 Generation 4
Cascade Lake Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Gold 6240R has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the Intel Xeon Gold 6240R is 2.40 GHz (4.00 GHz) while the Intel Atom Z3775D has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z3775D is at 1.49 GHz (2.41 GHz).
Intel Xeon Gold 6240R Characteristic Intel Atom Z3775D
24 Cores 4
48 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.40 GHz Frequency 1.49 GHz
4.00 GHz Turbo Frequency (1 Core) 2.41 GHz
2.60 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Xeon Gold 6240R Characteristic Intel Atom Z3775D
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon Gold 6240R or Intel Atom Z3775D 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 Intel HD Graphics (Bay Trail GT1)
GPU frequency 0.31 GHz
-- GPU (Turbo) 0.79 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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

Memory & PCIe

The Intel Xeon Gold 6240R can use up to 1024 GB of memory in 6 memory channels. The maximum memory bandwidth is 140.7 GB/s. The Intel Atom Z3775D supports up to 2 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 10.6 GB/s.
Intel Xeon Gold 6240R Characteristic Intel Atom Z3775D
DDR4-2933 Memory DDR3L-1333
1024 GB Max. Memory 2 GB
6 (Hexa Channel) Memory channels 1 (Single Channel)
140.7 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
-- L2 Cache --
38.50 MB L3 Cache 2.00 MB
3.0 PCIe version --
48 PCIe lanes --
47.3 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Gold 6240R is 165 W, while the Intel Atom Z3775D has a TDP of 4 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Xeon Gold 6240R Characteristic Intel Atom Z3775D
165 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
76 °C Tjunction max. 90 °C

Technical details

The Intel Xeon Gold 6240R is manufactured in 14 nm and has 38.50 MB cache. The Intel Atom Z3775D is manufactured in 22 nm and has a 2.00 MB cache.
Intel Xeon Gold 6240R Characteristic Intel Atom Z3775D
14 nm Technology 22 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 3647 Socket BGA 1380
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q1/2020 Release date Q1/2014
3950 $ Release price 35 $
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 6240R Intel Xeon Gold 6240R
24C 48T @ 4.00 GHz
1147 (100%)
Intel Atom Z3775D Intel Atom Z3775D
4C 4T @ 2.41 GHz
0 (0%)

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 6240R Intel Xeon Gold 6240R
24C 48T @ 2.60 GHz
17218 (100%)
Intel Atom Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
0 (0%)

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 Xeon Gold 6240R Intel Xeon Gold 6240R
@ 0.00 GHz
0 (0%)
Intel Atom Z3775D Intel Atom Z3775D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (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 6240R Intel Xeon Gold 6240R
24C 48T @ 2.60 GHz
0 (0%)
Intel Atom Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
794 (100%)

Devices using this processor
Intel Xeon Gold 6240R Intel Atom Z3775D
Unknown Unknown

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