Intel Xeon D-2779 vs Intel Atom Z3775D

Last updated:

CPU comparison with benchmarks


Intel Xeon D-2779 CPU1 vs CPU2 Intel Atom Z3775D
Intel Xeon D-2779 Intel Atom Z3775D

CPU comparison

In this CPU comparison, we compare the Intel Xeon D-2779 and the Intel Atom Z3775D and use benchmarks to check which processor is faster.

We compare the Intel Xeon D-2779 16 core processor released in Q1/2022 with the Intel Atom Z3775D which has 4 CPU cores and was introduced in Q1/2014.
Intel Xeon D (79) Family Intel Atom (108)
Intel Xeon D-2700 (16) CPU group Intel Atom Z3700 (16)
4 Generation 4
Ice Lake Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon D-2779 is a 16 core processor with a clock frequency of 2.50 GHz (3.40 GHz). The processor can compute 32 threads at the same time. The Intel Atom Z3775D clocks with 1.49 GHz (2.41 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Xeon D-2779 Characteristic Intel Atom Z3775D
16 Cores 4
32 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.50 GHz Frequency 1.49 GHz
3.40 GHz Turbo Frequency (1 Core) 2.41 GHz
2.70 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 D-2779 Characteristic Intel Atom Z3775D
-- 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.

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

Up to 1024 GB of memory in a maximum of 4 memory channels is supported by the Intel Xeon D-2779, while the Intel Atom Z3775D supports a maximum of 2 GB of memory with a maximum memory bandwidth of 10.6 GB/s enabled.

Intel Xeon D-2779 Characteristic Intel Atom Z3775D
DDR4-3200 Memory DDR3L-1333
1024 GB Max. Memory 2 GB
4 (Quad Channel) Memory channels 1 (Single Channel)
102.4 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
25.00 MB L2 Cache --
-- L3 Cache 2.00 MB
4.0 PCIe version --
32 PCIe lanes --
63.0 GB/s PCIe Bandwidth --

Thermal Management

The Intel Xeon D-2779 has a TDP of 126 W. The TDP of the Intel Atom Z3775D is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon D-2779 Characteristic Intel Atom Z3775D
126 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The Intel Xeon D-2779 has 25.00 MB cache and is manufactured in 10 nm. The cache of Intel Atom Z3775D is at 2.00 MB. The processor is manufactured in 22 nm.

Intel Xeon D-2779 Characteristic Intel Atom Z3775D
10 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
BGA 2579 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
Q1/2022 Release date Q1/2014
1558 $ Release price 35 $
show more data show more data


Rate these processors

Here you can rate the Intel Xeon D-2779 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Atom Z3775D to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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 D-2779 Intel Xeon D-2779
@ 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 D-2779 Intel Xeon D-2779
16C 32T @ 2.70 GHz
0 (0%)
Intel Atom Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
794 (100%)

Devices using this processor

Intel Xeon D-2779 Intel Atom Z3775D
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Atom Z3775DIntel Xeon W-2255 Intel Atom Z3775D vs Intel Xeon W-2255
2. AMD EPYC 7402PIntel Atom Z3775D AMD EPYC 7402P vs Intel Atom Z3775D
3. AMD Ryzen 5 2500UIntel Atom Z3775D AMD Ryzen 5 2500U vs Intel Atom Z3775D
4. Intel Xeon E5-2699 v4Intel Atom Z3775D Intel Xeon E5-2699 v4 vs Intel Atom Z3775D
5. Intel Atom Z3775DIntel Core i9-10900K Intel Atom Z3775D vs Intel Core i9-10900K
6. Intel Xeon Gold 6240RIntel Atom Z3775D Intel Xeon Gold 6240R vs Intel Atom Z3775D
7. Intel Atom Z3775DIntel Celeron N2807 Intel Atom Z3775D vs Intel Celeron N2807
8. Intel Atom Z3775DIntel Core i9-9900K Intel Atom Z3775D vs Intel Core i9-9900K
9. Intel Atom Z3775DIntel Celeron 4205U Intel Atom Z3775D vs Intel Celeron 4205U
10. Intel Core i9-9880HIntel Atom Z3775D Intel Core i9-9880H vs Intel Atom Z3775D


back to index