Intel Atom Z3775D vs Intel Pentium Gold G6605

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CPU comparison with benchmarks


Intel Atom Z3775D CPU1 vs CPU2 Intel Pentium Gold G6605
Intel Atom Z3775D Intel Pentium Gold G6605

CPU comparison

In this CPU comparison, we compare the Intel Atom Z3775D and the Intel Pentium Gold G6605 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 Pentium Gold G6605 which has 2 CPU cores and was introduced in Q1/2021.
Intel Atom (101) Family Intel Pentium (150)
Intel Atom Z3700 (16) CPU group Intel Pentium G6000 (12)
4 Generation 10
Bay Trail Architecture Comet Lake S
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 Pentium Gold G6605 clocks with 4.30 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

Intel Atom Z3775D Characteristic Intel Pentium Gold G6605
4 Cores 2
4 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.49 GHz Frequency 4.30 GHz
2.41 GHz Turbo Frequency (1 Core) --
-- 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 Atom Z3775D Characteristic Intel Pentium Gold G6605
-- AI hardware --
-- AI specifications --

Internal Graphics

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 Intel HD Graphics 630
0.31 GHz GPU frequency 0.35 GHz
0.79 GHz GPU (Turbo) 1.10 GHz
7 GPU Generation 9.5
22 nm Technology 14 nm
2 Max. displays 3
4 Compute units 24
32 Shader 192
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 64 GB
11.2 DirectX Version 12

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 Intel HD Graphics 630
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

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 Pentium Gold G6605 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled.

Intel Atom Z3775D Characteristic Intel Pentium Gold G6605
DDR3L-1333 Memory DDR4-2666
2 GB Max. Memory 128 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.6 GB/s Max. Bandwidth 42.7 GB/s
No ECC Yes
-- L2 Cache --
2.00 MB L3 Cache 4.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The Intel Atom Z3775D has a TDP of 4 W. The TDP of the Intel Pentium Gold G6605 is 58 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom Z3775D Characteristic Intel Pentium Gold G6605
4 W TDP (PL1 / PBP) 58 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom Z3775D has 2.00 MB cache and is manufactured in 22 nm. The cache of Intel Pentium Gold G6605 is at 4.00 MB. The processor is manufactured in 14 nm.

Intel Atom Z3775D Characteristic Intel Pentium Gold G6605
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
BGA 1380 Socket LGA 1200
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q1/2014 Release date Q1/2021
35 $ Release price 103 $
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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

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 (12%)
Intel Pentium Gold G6605 Intel Pentium Gold G6605
Intel HD Graphics 630 @ 1.10 GHz
422 (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 (18%)
Intel Pentium Gold G6605 Intel Pentium Gold G6605
2C 4T @ 4.30 GHz
4445 (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 Pentium Gold G6605 Intel Pentium Gold G6605
2C 4T @ 4.30 GHz
1103 (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 Pentium Gold G6605 Intel Pentium Gold G6605
2C 4T @ 4.30 GHz
2462 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Atom Z3775D Intel Atom Z3775D
4C 4T @ 2.41 GHz
0 (0%)
Intel Pentium Gold G6605 Intel Pentium Gold G6605
2C 4T @ 4.30 GHz
940 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Atom Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
0 (0%)
Intel Pentium Gold G6605 Intel Pentium Gold G6605
2C 4T @ 4.30 GHz
2085 (100%)

Devices using this processor

Intel Atom Z3775D Intel Pentium Gold G6605
Unknown Unknown

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