在 MWCS 2017上,高通发布了新一代低端处理器-骁龙450,这一代晓龙处理器用于替代上一代的低端骁龙435,我们对比一下骁龙435和骁龙450:
依旧为8核心A53处理器,但是采用14nmFinFET工艺,支持1300W双摄,官方宣称续航比435提升了4小时,主频从1.4G提升至1.8GHZ,GPU提升为和骁龙625同级别的Adreno™ 506 ,再也不是只能打电话的垃圾,反而能够成为性能接近于晓龙625而功耗更低的新一代省电冷静王.并且极有可能用在安卓平板电脑上面,替代现在垃圾的荣耀435平板电脑。
其他提升还有包括从USB2.0支持到USB3.0, X9LTE,以及HEVC解码!这个用在平板电脑或者盒子上面可是很6的
至此,我们可以看到高通在2017年的布局基本已见雏形,10NM性能王者骁龙835 (2500-6000价位),中端14nm强芯骁龙660(1600-2500价位),中低端14nm长续航骁龙630(1000-1600价位)+低端14NM超长续航的骁龙450(0-1000价位)。未来我们看到的机子基本在这个范围内,当然小米OPPO例外。
2017.12.09补充:近日,小米发布了第一款骁龙450手机,我们借此可以一探骁龙450的安兔兔数据:
基本就相当于骁龙625降频水平,搭配3g内存 720p屏幕可以保证流畅的体验和续航。所以个人还是比较推荐红米5的。这是新一代的最低端入门机(可惜屏幕颗粒感强)。
但是,骁龙625跑1080全面屏就有些恼人了,红米5plus属于明显的清理库存打硬凑出来的机器,两年前的cpu(放着636和630不用),普通1080全面屏幕,普通摄像头,上一代后壳工艺,跑马边框,完全没有购买价值。而且高分辨率带来更大的压力,还不如购买魅蓝note6,起码还有个好的摄像头。
总结来看,无论红米5还是红米5plus都是一款强行进入低价全面屏市场的杂揉半成品甩库存机器,目测也是闻泰之类的odm设计的。。。
好好一张450被小米打成了臭牌。骁龙450的正确用法应该是5寸,720p,2000-3000mah电池,超轻薄(140g以下)便携800以内区间备用机的好选择。
或者搭配4000mah电池 720p 5寸屏幕的超长续航机。
补充完毕。
回归芯片,我们目前可以从官网上看到其相关参数:
Snapdragon 450 Mobile Platform Specs
Cellular Modem
Modem Name
- Qualcomm® Snapdragon™ X9 LTE modem
LTE Category
- LTE Category 13 (uplink)
- LTE Category 7 (downlink)
Downlink Features
- 2×20 MHz carrier aggregation
- Up to 64-QAM
Uplink Features
- Qualcomm® Snapdragon™ Upload+
- 2×20 MHz carrier aggregation
- Up to 64-QAM
Peak Download Speed
- 300 Mbps
Peak Upload Speed
- 150 Mbps
Supported Cellular Technologies
- Snapdragon All Mode
- LTE FDD
- LTE TDD
- LTE Broadcast
- WCDMA (DB-DC-HSDPA, DC-HSUPA)
- TD-SCDMA
- CDMA 1x
- EV-DO
- GSM/EDGE
Multi SIM
- LTE Dual SIM
Next-generation Calling Services
- VoLTE with SRVCC to 3G and 2G
- Voice over Wi-Fi (VoWiFi) with LTE call continuity
- HD and Ultra HD Voice (EVS)
Wi-Fi
Wi-Fi Standards
- 802.11ac Wave 2
- 802.11n
- 802.11a/b/g
Wi-Fi Spectral Bands
- 2.4 GHz
- 5 GHz
Peak Speed
- 433 Mbps
Channel Utilization
- 20/40/80 MHz
MIMO Configuration
- 1×1 (1-stream)
Peak QAM
- 256 QAM
Wi-Fi Features
- MU-MIMO
- Integrated baseband
Bluetooth
Bluetooth Version
- Bluetooth 4.1
Bluetooth Technology
- Bluetooth Low Energy
Location
Satellite Systems Support
- GPS
- GLONASS
- Beidou
- Galileo
Global Emergency Services Support
- Assisted GPS
- OTDOA (LTE-based positioning)
Advanced Location Features
- Low Power Geofencing and Tracking
- Sensor-assisted Navigation
- Pedestrian Navigation
NFC
Near Field Communications
- Supported
RF
RFFE
- Qualcomm® RF360™ front-end solution
USB
USB Version
- USB 3.0
Camera
Megapixel Support
- Up to 13 MP camera
Image Sensor Processor
- 2x Image Sensor Processor (ISP)
- Real time Bokeh during camera preview
- Qualcomm® Clear Sight™ camera features
Video
Video Capture
- Up to 1080p video capture @60 FPS
Video Playback
- Up to 1080p video playback @ 60 fps
Codec Support
- H.264 (AVC)
- H.265 (HEVC)
Display
Maximum On-Device Display Support
- 1080p Full HD
- FHD+ (18:9)
- WUXGA
UI FPS
- Up to 60 FPS
Audio
Audio Technology
- Qualcomm® Fluence™ HD noise cancellation technology
CPU
CPU Clock Speed
- Up to 1.8 GHz
CPU Cores
- Octa-core CPU
- 8x ARM Cortex A53
CPU Bit Architecture
- 64-bit
DSP
DSP Technology
- Qualcomm® Hexagon™ DSP
Process
Process Technology
- 14 nm LPP
GPU
GPU Name
- Qualcomm® Adreno™ 506 GPU
API Support
- OpenGL ES 3.1+
Charging
Qualcomm® Quick Charge™ Support
- Qualcomm® Quick Charge™ 3.0 technology
Security Support
Security Features
- Qualcomm® Mobile Security
- Eye based authentication
Memory
Memory Speed
- 933MHz
Memory Type
- LPDDR3
Storage
SD
- SD 3.0 (SDCC)
eMMC
- eMMC 5.1