The Qualcomm Snapdragon S4 Pro APQ8064A is a high-end SoC for Android smartphones and tablets, which was introduced in 2012. The chip integrates 4 CPU cores, which are based on the ARMv7-compatible, but by Qualcomm designed Krait architecture.
This provides a much higher per-MHz performance than Cortex-A9 chips such as Nvidia’s Tegra 3 or the Exynos 4412 from Samsung but does not quite reach the performance of the Cortex-A15 (for example in the Tegra 4). The memory is accessed via 2 x 32 bit LPDDR2 at up to 533 MHz, which offers a bandwidth of 8.5 GB / s.
The Qualcomm Snapdragon S4 Pro APQ8064A integrates an Adreno 320 GPU by IMG, which clocks at 400 MHz and offers a performance of over 50 GFLOPS. Thus, the graphics unit is one of the fastest in the SoC market (early 2013) and is only surpassed by a few models such as the PowerVR SGX554MP4 in the iPad 4. Therefore, even the most demanding 3D games in high resolutions will run fluently (Sony Xperia Z with 1080p display).
Thanks to a dedicated decoder, the SoC can accelerate 1080p video playback up to a frame rate of 30 fps. 3D photos are possible up to a resolution of 20 megapixels. In addition, the chip also integrates a wireless module with Bluetooth 4.0 and WLAN 802.11ac / a / b / g / n. Produced by TSMC in 28 nm (LP), the power consumption should be around 4 watts (estimated, depending on the clock speed).
Qualcomm Snapdragon S4 Pro Architecture
Series | Qualcomm Snapdragon |
Codename | ARMv7 |
Clock Rate | 1500 – 1700 MHz |
Level 1 Cache | 32 KB |
Level 2 Cache | 2 MB |
Number of Cores / Threads | 44290 |
Manufacturing Technology | 28 nm |
Features | LTE, HSPA+, EDGE, GSM, GPRS, GPS, WiFi, Bluetooth, NFC, FM |
GPU | Qualcomm Adreno 320 (400 MHz) |
Architecture | ARM |
Announcement Date | 02/27/2012 = 3238 days old |
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