Intel Atom x6427FE vs Intel Pentium Gold 6500Y

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CPU comparison with benchmarks


Intel Atom x6427FE CPU1 vs CPU2 Intel Pentium Gold 6500Y
Intel Atom x6427FE Intel Pentium Gold 6500Y

CPU comparison

In this CPU comparison, we compare the Intel Atom x6427FE and the Intel Pentium Gold 6500Y and use benchmarks to check which processor is faster.

We compare the Intel Atom x6427FE 4 core processor released in Q1/2021 with the Intel Pentium Gold 6500Y which has 2 CPU cores and was introduced in Q1/2021.
Intel Atom (108) Family Intel Pentium (150)
Intel Atom x6000 (10) CPU group Intel Pentium 6000Y (1)
6 Generation 10
Elkhart Lake Architecture Amber Lake U
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom x6427FE is a 4 core processor with a clock frequency of 1.90 GHz. The processor can compute 4 threads at the same time. The Intel Pentium Gold 6500Y clocks with 1.10 GHz (3.40 GHz), has 2 CPU cores and can calculate 4 threads in parallel.

Intel Atom x6427FE Characteristic Intel Pentium Gold 6500Y
4 Cores 2
4 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.90 GHz Frequency 1.10 GHz
-- Turbo Frequency (1 Core) 3.40 GHz
-- Turbo Frequency (All Cores) 2.40 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 x6427FE Characteristic Intel Pentium Gold 6500Y
-- 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 UHD Graphics 10th Gen (32 EU) GPU Intel HD Graphics 615
0.40 GHz GPU frequency 0.30 GHz
-- GPU (Turbo) 0.90 GHz
11 GPU Generation 9.5
14 nm Technology 14nm
3 Max. displays 3
32 Compute units 24
256 Shader 192
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 16 GB
12 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 UHD Graphics 10th Gen (32 EU) GPU Intel HD Graphics 615
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
Decode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 32 GB of memory in a maximum of 4 memory channels is supported by the Intel Atom x6427FE, while the Intel Pentium Gold 6500Y supports a maximum of 16 GB of memory with a maximum memory bandwidth of 29.9 GB/s enabled.

Intel Atom x6427FE Characteristic Intel Pentium Gold 6500Y
LPDDR4X-4266, DDR4-3200 Memory LPDDR3-1866, DDR3-1600
32 GB Max. Memory 16 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
136.4 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
1.50 MB L2 Cache --
-- L3 Cache 4.00 MB
3.0 PCIe version 3.0
8 PCIe lanes 10
7.9 GB/s PCIe Bandwidth 9.9 GB/s

Thermal Management

The Intel Atom x6427FE has a TDP of 12 W. The TDP of the Intel Pentium Gold 6500Y is 5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom x6427FE Characteristic Intel Pentium Gold 6500Y
12 W TDP (PL1 / PBP) 5 W
-- TDP (PL2) --
-- TDP up 7 W
-- TDP down 3.5 W
110 °C Tjunction max. 100 °C

Technical details

The Intel Atom x6427FE has 1.50 MB cache and is manufactured in 10 nm. The cache of Intel Pentium Gold 6500Y is at 4.00 MB. The processor is manufactured in 14 nm.

Intel Atom x6427FE Characteristic Intel Pentium Gold 6500Y
10 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
BGA 1493 Socket BGA 1515
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems
Q1/2021 Release date Q1/2021
-- Release price --
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Atom x6427FE (43%)
Intel Pentium Gold 6500Y (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Atom x6427FE (81%)
Intel Pentium Gold 6500Y (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 x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
437 (53%)
Intel Pentium Gold 6500Y Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz
821 (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 x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
1445 (86%)
Intel Pentium Gold 6500Y Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz
1680 (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 x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
334 (32%)
Intel Pentium Gold 6500Y Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz
1045 (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 x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
1021 (58%)
Intel Pentium Gold 6500Y Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz
1758 (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 x6427FE Intel Atom x6427FE
Intel UHD Graphics 10th Gen (32 EU) @ 0.40 GHz
213 (62%)
Intel Pentium Gold 6500Y Intel Pentium Gold 6500Y
Intel HD Graphics 615 @ 0.90 GHz
346 (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 x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
2935 (98%)
Intel Pentium Gold 6500Y Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz
2980 (100%)

Devices using this processor

Intel Atom x6427FE Intel Pentium Gold 6500Y
Unknown Unknown

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