The Intel Atom Z3740D is a power-efficient quad-core SoC for Windows and Android tablets. It is clocked at 1.33 - 1.83 GHz and is part of the Bay Trail-T platform. Thanks to the specially optimized 22nm low-power design process (P1271) with Tri-Gate transistors, performance and energy efficiency have been significantly improved compared to its predecessor. In contrast to the Z3740, the Z3740D only offers a single-channel memory controller and a lower display resolution.
Architecture
The processor cores are based on the new Silvermont architecture, which is an out-of-order design for the first time. The increased utilization of the pipeline and many other improvements (optimized branch prediction, increased buffers, and enhanced decoders) have increased the performance per clock by about 50 percent. At the same time, however, the Hyper-Threading feature of the previous generation has been removed. Other major additions are the support for new instruction set extensions such as SSE 4.1 and 4.2 as well as AES-NI (depending on the model).
Performance
Thanks to 4 CPU cores and the improved performance per clock, the Z3740D is significantly faster than previous Intel Atoms like the Z2760. According to our benchmarks, the Z3740D even competes with AMDs Temash and Kabini APUs like the A6-1450 and A4-5000. For everyday tasks such as Internet or Office the performance is adequate, but not for very complex software or modern games.
Graphics
The HD Graphics (Bay Trail) is based on the Intel Gen7 architecture, which supports DirectX 11 and is also found in the Ivy Bridge series (e.g. HD Graphics 4000). With only 4 EUs (Execution Units) and a relatively low clock speed of up to 688 MHz, the GPU is even slower than the HD Graphics (Ivy Bridge). Therefore, only older and less demanding Windows games like World of Warcraft or Fifa will run fluently. However, video acceleration and display resolutions up to 1920 x 1200 pixels are no problem for the chip.
Power Consumption
The entire SoC is rated at an SDP of 2.2 W, which indicates a TDP of less than 4 W. Thus, the chip can be used in passively cooled tablets.
| Series | Intel Atom | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Codename | Bay Trail-T | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Series: Atom Bay Trail-T
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Clock Rate | 1330 - 1830 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Level 1 Cache | 224 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Level 2 Cache | 2 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of Cores / Threads | 4 / 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Power Consumption (TDP = Thermal Design Power) | <4 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturing Technology | 22 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Socket | UTFCBGA1380 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | Intel HD Graphics (Bay Trail, 313 - 688 MHz), Quick Sync, Wireless Display, Clear Video HD, Intel 64, SSE 4.1, SSE 4.2, AES-NI, Secure Key, Anti-Theft, Identify-Protection, max. 2 GB Single-Channel DDR3L-RS 1333, Quick Sync | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| GPU | Intel HD Graphics (Bay Trail) (313 - 688 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 64 Bit | 64 Bit support | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Starting Price | $32 U.S. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announcement Date | 09/11/2013 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Product Link (external) | Intel Atom Z3740D | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
- Average benchmark values for this graphics card
Schenker Element 3G: Intel HD Graphics (Bay Trail), 10.10", 0.6 kg
External Review » Schenker Element 3G
Lenovo Miix 2 10: Intel HD Graphics (Bay Trail), 10.00", 1.1 kg
External Review » Lenovo Miix 2 10
Dell Venue 8 Pro: Intel HD Graphics (Bay Trail), 8.00", 0.4 kg
External Review » Dell Venue 8 Pro
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