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Magyar小米红米A2评测--廉价手机中的妥协
潜在的竞争对手比较
Rating | Date | Model | Weight | Drive | Size | Resolution | Best Price |
|---|---|---|---|---|---|---|---|
| 73.8 % | 07/2023 | Xiaomi Redmi A2 Helio G36, PowerVR GE8320 | 192 g | 32 GB eMMC Flash | 6.52" | 1600x720 | |
| 75.1 % | 09/2022 | Motorola Moto E32s Helio G37, PowerVR GE8320 | 185 g | 32 GB eMMC Flash | 6.50" | 1600x720 | |
| 74.6 % | 07/2023 | Honor X7a Helio G37, PowerVR GE8320 | 196 g | 128 GB eMMC Flash | 6.74" | 1600x720 | |
| 70.2 % | 02/2023 | Blackview A52 SC9863A, GE8322 / IMG8322 | 183.6 g | 32 GB eMMC Flash | 6.50" | 1600x720 |
机箱和功能 - 坚固的塑料机箱
小米红米A2采用了简单的塑料外壳，背面仿皮革质感。由于采用了磨砂表面，您不必担心指纹或油渍。这款手机有浅蓝、浅绿和黑色可供选择。得益于圆润的边缘设计，红米A2手感舒适，平均重量为192克。
手机结构坚固，不易扭曲。对机身施加压力时也听不到吱吱声。
红米A2目前仅提供32GB存储空间和不到2GB的内存。小米的官方售价为110欧元，但在其网站上的售价甚至低于100欧元。我们发现红米A2配备的是microUSB接口，而不是广泛使用的USB-C接口，这让人很不爽。遗憾的是，红米A2没有NFC功能，但microSD读卡器是独立的，因此它可以与两张插入的SIM卡同时使用。
在我们使用参考microSD卡Angelbird V60进行的测试中，读卡器的速度不算太快，但也不比同价位的其他手机慢。
| SD Card Reader - average JPG Copy Test (av. of 3 runs) | |
| Average of class Smartphone (10.9 - 77, n=99, last 2 years) | |
| Honor X7a (Angelbird V60) | |
| Motorola Moto E32s (Angelbird V60) | |
| Xiaomi Redmi A2 (Angelbird V60) | |
| Blackview A52 (Angelbird V60) | |
Cross Platform Disk Test (CPDT)
通信、软件和操作 - 机载WiFi 4
对于不到100欧元（约合100美元）的价格来说，你必须接受红米A2仅提供Wi-Fi 4的事实，这明显反映在其传输速率仅为50 Mbps左右。因此，Wi-Fi模块的速度足以满足上网浏览的需要，但要进行较大的下载则需要等待较长时间。
小米红米A2是一款4G手机，只拥有最必要的频率，因此您必须在进一步出国旅行时检查是否可以连接到LTE网络。在测试过程中，我们反复对接收质量进行随机抽样：在城市环境中通常可以连接到4G网络，但比高端手机要不稳定得多，测试中还出现了两次短暂掉线。
至少小米手机预装了最新的Android 13 Go。制造商还内置了一些广告应用程序，这在内存紧张的情况下尤其令人担忧。作为回报，小米承诺在两年内定期提供安全更新，这对一款如此廉价的手机来说是一个很好的承诺。在测试时，补丁是从2023年5月开始的，因此仍然是相当最新的。
令人讨厌：由于手机未通过Widevine-L1认证，因此只能以标清格式观看主要流媒体平台的视频。
恼人之处 Helio G36作为红米A2的SoC，Helio G36实际上也可以使用90 Hz的屏幕，但小米只安装了最大帧率为60 Hz的显示屏。再加上SoC的性能相当低，内存相当逊色，即使在正常的系统导航中，你也必须做好卡顿和等待时间的准备。没有用于解锁手机的指纹传感器，也没有人脸识别功能。
| Networking | |
| iperf3 transmit AXE11000 | |
| Honor X7a | |
| Motorola Moto E32s | |
| Xiaomi Redmi A2 | |
| Blackview A52 | |
| iperf3 receive AXE11000 | |
| Motorola Moto E32s | |
| Honor X7a | |
| Xiaomi Redmi A2 | |
| Blackview A52 | |
相机 - 缺乏细节，对比度低
后置主摄像头的分辨率仅为800万像素，第二个镜头仅用于模糊效果。不过，在光线良好的情况下，仍然可以拍摄出不错的照片。放大后的照片细节丢失明显，对比度也有所欠缺。视频最多可录制30帧/秒的1080p格式，看起来也有点缺乏细节。自动对焦尤其难以提供清晰的图像。
在亮度很低的情况下，光源过度辐射，而在黑暗区域几乎没有任何画质。在摄影棚照明下，相机再现的色彩有些过暗，但总体效果尚可。
前置500万像素自拍摄像头，在光线充足的情况下可拍摄出相当不错的照片。不过，您不应该将其放大太多，也不应该指望它能详细再现黑暗区域。
Image Comparison
Choose a scene and navigate within the first image. One click changes the position on touchscreens. One click on the zoomed-in image opens the original in a new window. The first image shows the scaled photograph of the test device.
Main cameraMain cameraLowLight
显示屏 - 色彩再现相当出色
6.52英寸的IPS屏幕分辨率为720p，这在同价位产品中是比较合适的。在亮度方面，红米A2表现中规中矩，平均亮度达到379 cd/m²。较低的黑色值也确保了可接受的对比度。
幸运的是，在出厂设置下只有轻微的偏蓝。因此，除了一些蓝色调之外，色彩还原得相当自然。
即使在低亮度下，屏幕也不会出现 PWM 闪烁，因此也推荐敏感用户使用。
| |||||||||||||||||||||||||
Brightness Distribution: 94 %
Center on Battery: 391 cd/m²
Contrast: 1303:1 (Black: 0.3 cd/m²)
ΔE Color 3.31 | 0.5-29.43 Ø5
ΔE Greyscale 3.6 | 0.57-98 Ø5.3
95% sRGB (Calman 2D)
Gamma: 2.307
| Xiaomi Redmi A2 IPS, 1600x720, 6.52 | Motorola Moto E32s IPS, 1600x720, 6.50 | Honor X7a IPS, 1600x720, 6.74 | Blackview A52 IPS, 1600x720, 6.50 | |
|---|---|---|---|---|
| Response Times | 10% | 20% | -20% | |
| Response Time Grey 50% / Grey 80% * | 36.8 ? | 30 ? 18% | 33.8 ? 8% | 45.2 ? -23% |
| Response Time Black / White * | 23.2 ? | 23 ? 1% | 16 ? 31% | 27 ? -16% |
| PWM Frequency | ||||
| Screen | -33% | 12% | -23% | |
| Brightness middle | 391 | 346 -12% | 586 50% | 432 10% |
| Brightness | 379 | 330 -13% | 562 48% | 400 6% |
| Brightness Distribution | 94 | 90 -4% | 91 -3% | 88 -6% |
| Black Level * | 0.3 | 0.47 -57% | 0.26 13% | 0.26 13% |
| Contrast | 1303 | 736 -44% | 2254 73% | 1662 28% |
| Colorchecker dE 2000 * | 3.31 | 5.4 -63% | 4.24 -28% | 6.97 -111% |
| Colorchecker dE 2000 max. * | 7.67 | 9 -17% | 8.44 -10% | 10.36 -35% |
| Greyscale dE 2000 * | 3.6 | 5.5 -53% | 5.3 -47% | 6.7 -86% |
| Gamma | 2.307 95% | 2.874 77% | 2.226 99% | 2.618 84% |
| CCT | 7427 88% | 5971 109% | 6955 93% | 7976 81% |
| Total Average (Program / Settings) | -12% /
-24% | 16% /
14% | -22% /
-22% |
* ... smaller is better
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 23.2 ms ... rise ↗ and fall ↘ combined | ↗ 12 ms rise |  |
| ↘ 11.2 ms fall | ||
| The screen shows good response rates in our tests, but may be too slow for competitive gamers. In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 47 % of all devices are better. This means that the measured response time is similar to the average of all tested devices (21.5 ms). | ||
| ↔ Response Time 50% Grey to 80% Grey | ||
| 36.8 ms ... rise ↗ and fall ↘ combined | ↗ 20.1 ms rise |  |
| ↘ 16.7 ms fall | ||
| The screen shows slow response rates in our tests and will be unsatisfactory for gamers. In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 47 % of all devices are better. This means that the measured response time is similar to the average of all tested devices (33.7 ms). | ||
Screen Flickering / PWM (Pulse-Width Modulation)
| Screen flickering / PWM not detected |  | ||
In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 17903 (minimum: 5 - maximum: 3846000) Hz was measured. | |||
性能、排放和电池续航时间 - 性能低下的廉价手机
使用 Helio G36小米选择了一个相当新的，但不是很强大的SoC。其实际性能仍可与更昂贵的手机媲美，但问题是许多基准测试都无法启动，甚至无法在Google Play商店中下载。因此，一些要求较高的应用程序很可能无法在手机上运行。
在日常使用中，您还不得不面对卡顿和加载时间过长的问题，这也是蹩脚的eMMC闪存造成的，但在这个价位的手机上可能是不可避免的。
至少，您不必面对高温问题：即使在长时间高负荷运行后，我们测得的最高温度也只有39.5 °C。由于3DMark Wild Life压力测试没有启动，我们使用GFXBench来查看SoC的性能在长时间负载后是否保持不变。事实上，情况并非如此；性能波动很大，在基准测试运行30次之后，性能比初始值低了20%。
上边缘的小扬声器有点不寻常，但绝不是摆放不当。它听起来高音很重，听音乐时并不能给人带来太多的愉悦。我们更喜欢通过3.5毫米端口或蓝牙传输到外部扬声器或耳机的声音。最必要的编解码器可用于无线声音传输，您甚至可以使用LDAC和aptX HD传输高保真声音。
小米红米A2的最大充电功率为10瓦。这意味着你必须耐心等待3个小时，直到显示屏上再次出现100%的电量，因为它拥有5000毫安时的大电池。我们的WLAN测试在不到15小时的时间内就耗尽了电池。这是一个不错的速度，因此如果您不是经常玩游戏，您应该可以轻松地度过一天。
| PCMark for Android - Work 3.0 | |
| Average of class Smartphone (4761 - 21385, n=215, last 2 years) | |
| Motorola Moto E32s | |
| Honor X7a | |
| Xiaomi Redmi A2 | |
| Average Mediatek Helio G36 () | |
| GFXBench | |
| on screen Aztec Ruins Normal Tier Onscreen | |
| Average of class Smartphone (3.6 - 123, n=227, last 2 years) | |
| Motorola Moto E32s | |
| Xiaomi Redmi A2 | |
| Average Mediatek Helio G36 () | |
| Honor X7a | |
| Blackview A52 | |
| 1920x1080 Aztec Ruins Normal Tier Offscreen | |
| Average of class Smartphone (2.3 - 229, n=227, last 2 years) | |
| Motorola Moto E32s | |
| Honor X7a | |
| Xiaomi Redmi A2 | |
| Average Mediatek Helio G36 () | |
| Blackview A52 | |
| on screen Aztec Ruins High Tier Onscreen | |
| Average of class Smartphone (2.8 - 119, n=227, last 2 years) | |
| Motorola Moto E32s | |
| Xiaomi Redmi A2 | |
| Average Mediatek Helio G36 () | |
| Honor X7a | |
| Blackview A52 | |
| 2560x1440 Aztec Ruins High Tier Offscreen | |
| Average of class Smartphone (0.85 - 94, n=227, last 2 years) | |
| Motorola Moto E32s | |
| Honor X7a | |
| Xiaomi Redmi A2 | |
| Average Mediatek Helio G36 () | |
| Blackview A52 | |
| 3840x2160 4K Aztec Ruins High Tier Offscreen | |
| Average of class Smartphone (0.38 - 42, n=214, last 2 years) | |
| Motorola Moto E32s | |
| Honor X7a | |
| Blackview A52 | |
| Octane V2 - Total Score | |
| Average of class Smartphone (2228 - 89112, n=214, last 2 years) | |
| Honor X7a | |
| Xiaomi Redmi A2 | |
| Average Mediatek Helio G36 () | |
| Blackview A52 | |
| Xiaomi Redmi A2 | Motorola Moto E32s | Honor X7a | Blackview A52 | Average 32 GB eMMC Flash | Average of class Smartphone | |
|---|---|---|---|---|---|---|
| AndroBench 3-5 | 11% | 11% | -13% | -22% | 563% | |
| Sequential Read 256KB | 268.9 | 248.6 -8% | 280 4% | 226.4 -16% | 242 ? -10% | 1506 ? 460% |
| Sequential Write 256KB | 116.1 | 184.3 59% | 223 92% | 119.4 3% | 100.5 ? -13% | 1115 ? 860% |
| Random Read 4KB | 53.6 | 49.1 -8% | 59.1 10% | 40.5 -24% | 43.2 ? -19% | 247 ? 361% |
| Random Write 4KB | 40.5 | 40 -1% | 14.7 -64% | 35 -14% | 22.4 ? -45% | 271 ? 569% |
温度
(+) The maximum temperature on the upper side is 38.8 °C / 102 F, compared to the average of 35 °C / 95 F, ranging from 21.9 to 56 °C for the class Smartphone.
(+) The bottom heats up to a maximum of 39.5 °C / 103 F, compared to the average of 33.8 °C / 93 F
(+) In idle usage, the average temperature for the upper side is 28.2 °C / 83 F, compared to the device average of 32.7 °C / 91 F.
发言人
Xiaomi Redmi A2 audio analysis
(±) | speaker loudness is average but good (79.4 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 30.2% lower than median
(±) | linearity of bass is average (10.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.6% higher than median
(±) | linearity of mids is average (7.1% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.3% away from median
(±) | linearity of highs is average (7.8% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (24.6% difference to median)
Compared to same class
» 53% of all tested devices in this class were better, 7% similar, 40% worse
» The best had a delta of 12%, average was 38%, worst was 134%
Compared to all devices tested
» 71% of all tested devices were better, 6% similar, 23% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Blackview A52 audio analysis
(±) | speaker loudness is average but good (81.6 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 37.1% lower than median
(+) | bass is linear (6.6% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 6.6% higher than median
(±) | linearity of mids is average (13.3% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 7% higher than median
(±) | linearity of highs is average (10.3% delta to prev. frequency)
Overall 100 - 16.000 Hz
(-) | overall sound is not linear (31.2% difference to median)
Compared to same class
» 77% of all tested devices in this class were better, 3% similar, 20% worse
» The best had a delta of 12%, average was 38%, worst was 134%
Compared to all devices tested
» 88% of all tested devices were better, 3% similar, 9% worse
» The best had a delta of 4%, average was 25%, worst was 134%
电池寿命
| Battery Runtime - WiFi Websurfing | |
| Honor X7a | |
| Motorola Moto E32s | |
| Average of class Smartphone (424 - 2844, n=229, last 2 years) | |
| Xiaomi Redmi A2 | |
| Blackview A52 | |
Pros
Cons
评价--更新时间长，预算少
小米红米A2是一款钱包轻松的手机，但你也需要良好的神经：系统运行速度相当慢，更复杂的应用程序往往根本无法运行。不能播放高清视频，Wi-Fi连接速度不是最快的，老式的microUSB接口已经非常令人讨厌。
尽管如此，它也有积极的一面，特别是考虑到其非常低的价格：机身做工精良，性能稳定，制造商承诺两年内定期更新，即使长时间使用手机也不会发热。
如果您的预算不多，或者只是想买一部便宜的第二部手机，您可以考虑一下红米A2：它可以满足您日常的一切需求。然而，您不应该期望系统流畅甚至快速。
如果您能多投资几欧元，您可能会考虑 摩托罗拉Moto E32s因为它拥有90赫兹的屏幕和速度更快的无线局域网模块。如果您正在寻找一款物美价廉的5G手机，您应该考虑一下 三星Galaxy A14 5G.
价格和供货情况
厂家直销在测试期间，红米A2所有三种颜色版本的售价均低于80欧元（约合80美元），我们的租赁商notebooksbilliger.de也收取相同的价格。
Xiaomi Redmi A2
-
07/14/2023 v7
Florian Schmitt
Transparency
The present review sample was made available to the author as a loan by the manufacturer or a shop for the purposes of review. The lender had no influence on this review, nor did the manufacturer receive a copy of this review before publication. There was no obligation to publish this review.
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