The Intel Atom x5-E8000 is a power efficient quad-core SoC for Windows and Android devices (tablets and convertibles), which has been presented in February 2016. It is clocked at 1.04 - 2 GHz (single core boost) 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 leads to a better utilization of the CPU Burst (alias Turbo Boost) and a therefore somewhat higher overall performance.
Performance
Compared to the Atom x5-Z8350, the Atom x5-E8000 offers a similar boost clock but a much lower base speed. However, the x5 still beats many ARM-based SoCs and offers a performance similar to a Qualcomm Snapdragon 801. The newer Celeron N3350 offers a similar multi-core CPU performance in our benchmarks but has a faster graphics card.
Using Windows, the chip is adequate for simple everyday tasks such as light browsing or Office, but not for 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 500 MHz, the GPU is significantly faster as the HD Graphics (Bay Trail) and can handle at least some older and less demandig Windows games in very low settings. The GPU also supports 4K/H.265 video acceleration.
Compared to ARM SoCs, the HD Graphics offers a performance sligthly below a Qualcomm Adreno 330 or PowerVR G6430.
Power Consumption
The entire SoC is rated at a TDP of 5 Watts and can be used in passively cooled tablets.
| Series | Intel Atom x5 | ||||||||||||||||||||
| Codename | Cherry Trail | ||||||||||||||||||||
Series: Atom x5 Cherry Trail
| |||||||||||||||||||||
| Clock Rate | 1040 - 2000 MHz | ||||||||||||||||||||
| Level 2 Cache | 2 MB | ||||||||||||||||||||
| Number of Cores / Threads | 4 / 4 | ||||||||||||||||||||
| Power Consumption (TDP = Thermal Design Power) | 5 Watt | ||||||||||||||||||||
| Manufacturing Technology | 14 nm | ||||||||||||||||||||
| Max. Temperature | 90 °C | ||||||||||||||||||||
| Features | Intel HD Graphics (Cherry Trail, 200 - 500 MHz), Wireless Display, AES-NI, max. 2 GB Single-Channel DDR3L-RS-1600 (12,8 GB/s), USB 3.0, 1x PCIe 2.0 | ||||||||||||||||||||
| GPU | Intel HD Graphics (Cherry Trail) (320 MHz) | ||||||||||||||||||||
| 64 Bit | 64 Bit support | ||||||||||||||||||||
| Architecture | x86 | ||||||||||||||||||||
| Starting Price | $39 U.S. | ||||||||||||||||||||
| Announcement Date | 02/08/2016 | ||||||||||||||||||||
| Product Link (external) | ark.intel.com | ||||||||||||||||||||
- Average benchmark values for this graphics card
Chuwi HeroBook 14: Intel HD Graphics 400 (Braswell), 14.00", 1.5 kg
External Review » Chuwi HeroBook 14
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