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Intel Atom x5-Z8500

Intel Z8500

The Intel Atom x5-Z8500 is a power efficient quad-core SoC for Windows and Android devices (tablets and convertibles), which has been presented in March 2015. It is clocked at 1.44 - 2.24 GHz and part of the Cherry Trail platform. Thanks to its new 14 nanometer low-power process (P1273) with tri-gate transistors, energy efficiency has been significantly improved over its predecessor Bay Trail-T (e.g. Atom Z3795). In addition to the CPU cores, the SoC offers a DirectX 11.2-capable GPU as well as a LPDDR3 Memory Controller (2x 64 bit, 25.6 GB/s).

Architecture

The processor cores are based on the Airmont architecture, which is basically a slightly modified shrink of the previous Silvermont core. While performance per clock has not been improved, the more efficient 14 nm process may lead to a better utilization of the CPU Burst (alias Turbo Boost) and therefore a somewhat higher performance in certain situations.

Performance

Compared to the Atom x7-Z8700, the Atom x5-Z8500 is clocked slightly lower and therefore 5 - 10 percent slower. However, the x5 still beats most ARM-based SoCs and offers a performance similar to a Qualcomm Snapdragon 810

Using Windows, the chip is adequate for everyday tasks such as Internet or Office, but not for very complex software or modern games.

Graphics

The HD Graphics (Cherry Trail) is based on the Intel Gen8 architecture, which supports DirectX 11.2 and is also found in the Broadwell series (e.g. HD Graphics 5300). With 12 EUs (Execution Units) and a clock speed of up to 600 MHz, the GPU is about twice as fast as the HD Graphics (Bay Trail) and will handle older and less demandig Windows games (e.g. Counter-Strike: GO) in very low settings at decent frame rates. The GPU also supports 4K/H.265 video acceleration.

Compared to ARM SoCs, the HD Graphics offers a performance similar to the Qualcomm Adreno 330 or PowerVR G6430.

Power Consumption

The entire SoC is rated at an SDP of 2 watts, which indicates a TDP of less than 4 watts. Thus, the chip can be used in passively cooled tablets.

SeriesIntel Atom x5
CodenameCherry Trail
Series: Atom x5 Cherry Trail
Intel Atom x5-Z8550 (compare)1440 - 2400 MHz4 / 4
» Intel Atom x5-Z85001440 - 2240 MHz4 / 4
Intel Atom x5-Z8350 (compare)1440 - 1920 MHz4 / 4
Intel Atom x5-Z8300 (compare)1440 - 1840 MHz4 / 4
Clock Rate1440 - 2240 MHz
Level 2 Cache2 MB
Number of Cores / Threads4 / 4
Manufacturing Technology14 nm
Max. Temperature90 °C
FeaturesIntel HD Graphics (Cherry Trail, 200 - 600 MHz), Wireless Display, AES-NI, max. 8 GB Dual-Channel LPDDR3-1600 (25,6 GB/s), 3x USB 3.0, 2x PCIe 2.0
GPUIntel HD Graphics (Cherry Trail) (200 - 600 MHz)
64 Bit64 Bit support
Announcement Date03/02/2015
Product Link (external)Intel Atom x5 Z8500

Benchmarks

Cinebench R15 - CPU Multi 64Bit
min: 73     avg: 103.3     median: 106.5 (5%)     max: 127 Points
Cinebench R15 - CPU Single 64Bit
min: 35     avg: 35.8     median: 35.5 (18%)     max: 37 Points
Cinebench R11.5 - CPU Multi 64Bit
min: 1.18     avg: 1.4     median: 1.3 (6%)     max: 1.63 Points
Cinebench R11.5 - CPU Single 64Bit
min: 0.43     avg: 0.4     median: 0.4 (19%)     max: 0.44 Points
Cinebench R10 - Rendering Single 32Bit
min: 1164     avg: 1166     median: 1166 (15%)     max: 1168 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
min: 2947     avg: 3539     median: 3563 (7%)     max: 4107 Points
wPrime 1.55 - 1024m *
2776.2 seconds (11%)
wPrime 1.55 - 32m *
86.7 seconds (46%)
WinRAR - Result
min: 768     avg: 841.7     median: 872 (10%)     max: 885 KB/s
X264 HD Benchmark 4.0 - Pass 2
min: 6.4025     avg: 7.2     median: 7.2 (4%)     max: 8.03 fps
X264 HD Benchmark 4.0 - Pass 1
min: 33.102     avg: 36.6     median: 36.6 (16%)     max: 40.03 fps
TrueCrypt - Serpent Mean 100MB
0.1 GB/s (6%)
3DMark 06 - CPU
min: 1693     avg: 1947.3     median: 1991 (16%)     max: 2158 Points
Super Pi mod 1.5 XS 1M *
min: 38.676     avg: 38.8     median: 38.8 (8%)     max: 39 Seconds
Super Pi mod 1.5 XS 2M *
min: 85.247     avg: 85.6     median: 85.6 (4%)     max: 86 Seconds
Super Pi Mod 1.5 XS 32M *
min: 1839.66     avg: 1856.3     median: 1856.3 (8%)     max: 1873 Seconds
3DMark 11 - Performance Physics 1280x720
min: 869     avg: 1257.8     median: 1353 (8%)     max: 1456 points
3DMark - Ice Storm Standard Physics 1280x720
min: 8135     avg: 11060.7     median: 10445 (7%)     max: 14602 Points
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
min: 16673     avg: 18407.5     median: 18407.5 (27%)     max: 20142 Points
3DMark - Cloud Gate Standard Physics 1280x720
min: 909     avg: 1087.3     median: 1136 (3%)     max: 1217 Points
Geekbench 3 - 32 Bit Multi-Core Score
min: 1848     avg: 2454.5     median: 2454.5 (8%)     max: 3061 Points
Geekbench 3 - 32 Bit Single-Core Score
min: 817     avg: 858.5     median: 858.5 (18%)     max: 900 Points
Geekbench 3 - 64 Bit Multi-Core Score
min: 1975     avg: 2778.3     median: 3170 (8%)     max: 3190 Points
Geekbench 3 - 64 Bit Single-Core Score
min: 856     avg: 949     median: 990 (21%)     max: 1001 Points
Mozilla Kraken 1.1 - Total Score *
min: 4420.4     avg: 4727.5     median: 4706.2 (8%)     max: 5142.2 ms
Sunspider - 1.0 Total Score *
min: 374.1     avg: 387     median: 387 (10%)     max: 399.8 ms
Octane V2 - Total Score
min: 7843     avg: 8026.5     median: 8033 (17%)     max: 8197 Points
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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