Atom x5-Z8300

Details and Benchmarks for Intel Atom x5-Z8300

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Atom x5-Z8300 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,916 Rank: 1950
Rank Name Score Visual
1946 A4-5000 3,924
+0.2%
1947 Pentium J2900 3,921
+0.1%
1948 A6-5200 3,919
+0.1%
1949 Core 2 Duo U9600 3,918
+0.1%
1950 Atom x5-Z8300 3,916
1951 Athlon II X2 250u 3,915
+-0%
1952 Atom x5-Z8500 3,914
-0.1%
1953 V120 3,914
-0.1%
1954 Core i5-2537M 3,913
-0.1%
1955 Celeron J1900 3,913
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Atom x5-Z8300 based on multi-threaded benchmark results.

4,570 Rank: 1133
Rank Name Score Visual
1129 Core i7-7560U 4,573
+0.1%
1130 Core i5-6400 4,573
+0.1%
1131 Core i3-2348M 4,572
+0%
1132 Core i5-6400T 4,571
+0%
1133 Atom x5-Z8300 4,570
1134 Pentium G4500T 4,569
+-0%
1135 Xeon E5530 4,569
+-0%
1136 Core i5-2450P 4,568
+-0%
1137 Core i3-6100T 4,566
-0.1%
1138 Core i3-4350 4,566
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Atom x5-Z8300 based on single-threaded benchmark results.

3,480 Rank: 2021
Rank Name Score Visual
2017 Intel Core i5-430UM 3,489
+0.3%
2018 Athlon 64 3700+ 3,489
+0.3%
2019 Intel Celeron N3150 3,487
+0.2%
2020 Athlon X2 BE-2300 3,483
+0.1%
2021 Atom x5-Z8300 3,480
2022 Intel Core i3-330UM 3,473
-0.2%
2023 Intel Core i5-560UM 3,471
-0.3%
2024 A6-1450 3,466
-0.4%
2025 Celeron 2961Y 3,465
-0.4%
2026 Intel Celeron J3160 3,460
-0.6%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Atom x5-Z8300 based on integer math, floating point math, and prime number computation benchmarks.

4,472 Rank: 1694
Rank Name Score Visual
1690 A4-3310MX 4,473
+0%
1691 Celeron 857 4,472
+0%
1692 A4-3330MX 4,472
+0%
1693 Atom x5-Z8330 4,472
+0%
1694 Atom x5-Z8300 4,472
1695 Celeron 847 4,470
+-0%
1696 Celeron N2840 4,470
+-0%
1697 E2-3000M 4,469
-0.1%
1698 Celeron N2830 4,469
-0.1%
1699 Celeron G460 4,469
-0.1%

View full ranking →

Data Processing

Aggregated score for Atom x5-Z8300 based on data encryption, data compression, and string sorting benchmarks.

4,456 Rank: 1625
Rank Name Score Visual
1621 Atom Z3740 4,457
+0%
1622 Pentium B960 4,456
+0%
1623 A4-4000 4,456
+0%
1624 Celeron E3200 4,456
+0%
1625 Atom x5-Z8300 4,456
1626 Celeron E3500 4,456
+0%
1627 Xeon 5160 4,456
+0%
1628 A6-5357M 4,456
+0%
1629 Celeron 4205U 4,456
+0%
1630 Sempron 3850 4,456
+0%

View full ranking →

Physics & Compute

Aggregated score for Atom x5-Z8300 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,460 Rank: 1667
Rank Name Score Visual
1663 Celeron 867 4,460
+0%
1664 Pentium E6300 4,460
+0%
1665 E2-9000 4,460
+0%
1666 A6-7000 4,460
+0%
1667 Atom x5-Z8300 4,460
1668 A4-3310MX 4,460
+0%
1669 Celeron 847E 4,459
+-0%
1670 Atom C3338 4,459
+-0%
1671 Pentium E5800 4,459
+-0%
1672 Pentium E5500 4,459
+-0%

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Atom x5-Z8300 Details

The Intel Atom x5-Z8300, released in 2015, represents an early generation of low-power, fanless processors designed for ultra-compact devices such as tablets and entry-level laptops. While it is now considered an outdated platform by modern standards, its performance in 2026 remains relevant for lightweight computing tasks. At its core, the x5-Z8300 features a 14 nm process node and a quad-core, quad-thread design, with a base clock of 1.44 GHz and a turbo frequency reaching 1.86 GHz. It is built on Intel’s Silvermont microarchitecture, a significant shift toward power efficiency compared to earlier x86 designs. The processor operates within a 65 W TDP, which is relatively high for an Atom, suggesting it was intended for devices that prioritize performance over battery life. It supports up to 2 GB of DDR3L-RS 1600 memory, with a maximum bandwidth of 12.8 GB/s, and uses the UTFCBGA592 socket, typical of mobile and embedded applications.

Integrated graphics are provided by Intel’s HD Graphics, which runs at a base frequency of 200 MHz and can burst up to 500 MHz. This GPU supports up to two displays and includes basic multimedia acceleration, making it suitable for HD video playback and light graphics work. Despite the lack of high-end graphics capabilities, the integrated GPU is sufficient for office applications and casual media consumption. The x5-Z8300 also supports a range of Intel-specific features, including AES-NI, SSE4.1/4.2, AVX/AVX2, and virtualization technologies such as VT-x and VT-d, which enhance security and performance in virtualized environments.

In benchmark testing, the Atom x5-Z8300 achieves an Overall Score of 3916, placing it at #1950 out of 2060 CPUs in the Passmark database. Its Singlecore Score of 3480 ranks it at #2021, while its Multicore Score of 4570 lands at #1133. This performance profile reveals a processor that is significantly outpaced by modern desktop and mobile CPUs but still holds its own in single-threaded workloads. Notably, it is only slightly slower than the Atom x5-Z8500, a slightly newer variant with similar specs, and performs comparably to older Core i3 and Pentium models from the early 2010s. However, it trails far behind current-generation processors like the Ryzen 9 9950X3D or Core Ultra 9 285K, which exceed 8,000 in single-core performance.

Given its age and performance ceiling, the Atom x5-Z8300 is best suited for low-demand use cases such as basic web browsing, document editing, and media playback in thin-and-light devices. It is not suitable for gaming, content creation, or multitasking under heavy workloads. As of March 2026, its primary value lies in legacy systems, embedded applications, or as a replacement in older tablets where power efficiency and thermal constraints are critical. While it no longer competes in the mainstream CPU market, it remains a testament to Intel’s efforts in bringing x86 performance to mobile and embedded platforms during the mid-2010s.
Frequently Compared

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AMD Phenom II X2 560 19 views

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AMD A10-5757M 18 views

AMD Ryzen 5 3500X 15 views

Intel Atom x5-Z8300

Main Specifications

Designer: Intel
Name: Atom x5-Z8300
Model Number: x5-Z8300
Cores: 4
Threads: 4
Base Frequency: 1440 MHz
Socket: UTFCBGA592
Max CPUs: 1
TDP: 65 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3L-RS 1600
Memory Channels: 1
Maximum Memory: 0 GB
Maximum Bandwidth: 12.8 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 1
PCIe Configuration: 1x1

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 500.00 MHz

Physical Specifications

Process: 14 nm
Word Size: 64-bit

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT SSE4a FMA4 SHA AMD-Vi AMD-V TSME SenseMI Boost 2 TSX SMT mXFR Flex Memory FMA
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