戴尔 Latitude 12 E5250 笔记本电脑简短评测

Name: Dell Latitude 12 E5250
Brand: Dell

小巧商务本。 在戴尔Latitude E5450系列获得高分之后，我们测试了12.5寸的Latitude E5250。不过，它没能达到我们预期的高水平。

Nino Ricchizzi, ✓ Stefanie Voigt (translated by Yuchen Wang), Published 01/18/2015 🇺🇸 🇩🇪 ...

Haswell Windows Laptop / Notebook Business

HP EliteBook 725 G2 Dell Latitude 12 E5250 Asus ASUSPRO Advanced BU201LA-DT036G Lenovo ThinkPad X240 DIN A4 ❌

	Dell Latitude 12 E5250 HD Graphics 4400, 4310U, Sandisk X110 SD6SF1M-256G-1022	HP EliteBook 725 G2 Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630	Lenovo ThinkPad X240 HD Graphics 4400, 4600U, Samsung SSD 840 250GB MZ7TD256HAFV	Asus ASUSPRO Advanced BU201LA-DT036G HD Graphics 4400, 4210U, Toshiba MQ01ABF050
Display		-3%	2%	4%
Display P3 Coverage	42.02	40.56 -3%	43.29 3%	43.55 4%
sRGB Coverage	63.2	61 -3%	63.9 1%	64.9 3%
AdobeRGB 1998 Coverage	43.44	41.92 -3%	44.95 3%	45.05 4%
Screen		-9%	58%	77%
Brightness middle	178	188 6%	377 112%	433 143%
Brightness	160	186 16%	348 118%	396 148%
Brightness Distribution	83	91 10%	84 1%	80 -4%
Black Level *	0.586	0.86 -47%	0.518 12%	0.47 20%
Contrast	304	219 -28%	728 139%	921 203%
Colorchecker dE 2000 *	10.42	12.31 -18%	6.85 34%	5.56 47%
Greyscale dE 2000 *	11.57	12.56 -9%	6.48 44%	4.92 57%
Gamma	2.34 ^94%	1.86 ^118%	2.75 ^80%	2.48 ^89%
CCT	13931 ^47%	12047 ^54%	6379 ^102%	6054 ^107%
Color Space (Percent of AdobeRGB 1998)	40	38.6 -3%	41 3%	41 3%
Total Average (Program / Settings)		-6% / -7%	30% / 43%	41% / 57%

* ... smaller is better


152 cd/m²	160 cd/m²	147 cd/m²
159 cd/m²	178 cd/m²	159 cd/m²
160 cd/m²	162 cd/m²	164 cd/m²

Distribution of brightness

BOE05F4 HB12201 tested with X-Rite i1Pro 2

Maximum: 178 cd/m² (Nits) Average: 160.1 cd/m²
Brightness Distribution: 83 %
Center on Battery: 177 cd/m²
Contrast: 304:1 (Black: 0.586 cd/m²)
ΔE Color 10.42 | 0.5-29.43 Ø4.91
ΔE Greyscale 11.57 | 0.5-98 Ø5.2
40% AdobeRGB 1998 (Argyll 1.6.3 3D)
43.44% AdobeRGB 1998 (Argyll 2.2.0 3D)
63.2% sRGB (Argyll 2.2.0 3D)
42.02% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.34

Download ICC File (X-Rite i1Pro 2 )

Cinebench R15
CPU Single 64Bit (sort by value)
Dell Latitude 12 E5250 HD Graphics 4400, 4310U, Sandisk X110 SD6SF1M-256G-1022	107 Points
HP EliteBook 725 G2 Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630	55 Points -49%
Lenovo ThinkPad X240 HD Graphics 4400, 4600U, Samsung SSD 840 250GB MZ7TD256HAFV	124 Points +16%
Asus ASUSPRO Advanced BU201LA-DT036G HD Graphics 4400, 4210U, Toshiba MQ01ABF050	104 Points -3%
Dell Latitude 14 E5450 HD Graphics 4400, 4310U, Lite-On LCS-128L9S	93 Points -13%
CPU Multi 64Bit (sort by value)
Dell Latitude 12 E5250 HD Graphics 4400, 4310U, Sandisk X110 SD6SF1M-256G-1022	252 Points
HP EliteBook 725 G2 Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630	151 Points -40%
Lenovo ThinkPad X240 HD Graphics 4400, 4600U, Samsung SSD 840 250GB MZ7TD256HAFV	248 Points -2%
Asus ASUSPRO Advanced BU201LA-DT036G HD Graphics 4400, 4210U, Toshiba MQ01ABF050	239 Points -5%
Dell Latitude 14 E5450 HD Graphics 4400, 4310U, Lite-On LCS-128L9S	268 Points +6%

Cinebench R11.5 CPU Single 64Bit

1.06 Points

Cinebench R11.5 CPU Multi 64Bit

2.73 Points

Cinebench R11.5 OpenGL 64Bit

16.91 fps

Cinebench R15 CPU Single 64Bit

107 Points

Cinebench R15 CPU Multi 64Bit

252 Points

Cinebench R15 OpenGL 64Bit

21.43 fps

Cinebench R15 Ref. Match 64Bit

98 %

Help

... in comparison

	Dell Latitude 12 E5250 HD Graphics 4400, 4310U, Sandisk X110 SD6SF1M-256G-1022	HP EliteBook 725 G2 Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630	Lenovo ThinkPad X240 HD Graphics 4400, 4600U, Samsung SSD 840 250GB MZ7TD256HAFV	Asus ASUSPRO Advanced BU201LA-DT036G HD Graphics 4400, 4210U, Toshiba MQ01ABF050
PCMark 7
Score	4067	1869 -54%	4629 14%	2504 -38%
PCMark 8		-16%	-8%	-22%
Home Score Accelerated v2	2696	2291 -15%	2470 -8%	2120 -21%
Creative Score Accelerated v2	2996	2341 -22%	2461 -18%	2115 -29%
Work Score Accelerated v2	3636	3227 -11%	3697 2%	3066 -16%
Total Average (Program / Settings)		-35% / -26%	3% / -3%	-30% / -26%

PCMark 7 Score		4067 points
PCMark 8 Home Score Accelerated v2		2696 points
PCMark 8 Creative Score Accelerated v2		2996 points
PCMark 8 Work Score Accelerated v2		3636 points
Help

... in comparison

	Dell Latitude 12 E5250 HD Graphics 4400, 4310U, Sandisk X110 SD6SF1M-256G-1022	Lenovo ThinkPad X240 HD Graphics 4400, 4600U, Samsung SSD 840 250GB MZ7TD256HAFV
AS SSD		7%
Seq Read	462.3	517 12%
Seq Write	373.7	242.8 -35%
4K Read	28.65	29.93 4%
4K Write	72.7	106.2 46%

AS SSD

Sandisk X110 SD6SF1M-256G-1022

Sequential Read: 462.3MB/s

Sequential Write: 373.7MB/s

4K Read: 28.65MB/s

4K Write: 72.7MB/s

4K-64 Read: 320MB/s

4K-64 Write: 164.5MB/s

Access Time Read: 0.076ms

Access Time Write: 0.06ms

Score Read: 395Points

Score Write: 275Points

Score Total: 877Points

3DMark 11 - 1280x720 Performance (sort by value)
Dell Latitude 12 E5250	930 Points
HP EliteBook 725 G2	1034 Points +11%
Lenovo ThinkPad X240	828 Points -11%
Asus ASUSPRO Advanced BU201LA-DT036G	835 Points -10%

Legend

Dell Latitude 12 E5250 Intel Core i5-4310U, Intel HD Graphics 4400, Sandisk X110 SD6SF1M-256G-1022

HP EliteBook 725 G2 AMD A10 Pro-7350B, AMD Radeon R6 (Kaveri), Hitachi Travelstar Z7K500 HTS725050A7E630

Lenovo ThinkPad X240 Intel Core i7-4600U, Intel HD Graphics 4400, Samsung SSD 840 250GB MZ7TD256HAFV

Asus ASUSPRO Advanced BU201LA-DT036G Intel Core i5-4210U, Intel HD Graphics 4400, Toshiba MQ01ABF050

3DMark 11 Performance		930 points
3DMark Ice Storm Standard Score		36234 points
3DMark Cloud Gate Standard Score		3697 points
Help

... in comparison

	Dell Latitude 12 E5250 HD Graphics 4400, 4310U, Sandisk X110 SD6SF1M-256G-1022	HP EliteBook 725 G2 Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630	Lenovo ThinkPad X240 HD Graphics 4400, 4600U, Samsung SSD 840 250GB MZ7TD256HAFV	Asus ASUSPRO Advanced BU201LA-DT036G HD Graphics 4400, 4210U, Toshiba MQ01ABF050
BioShock Infinite
1280x720 Very Low Preset	29.5	28.7 -3%		29.6 0%
Tomb Raider
1024x768 Low Preset	41.9	31.6 -25%	37.8 -10%	38.9 -7%
Anno 2070
1024x768 Low Preset	51.2	42.5 -17%	51.3 0%
Total Average (Program / Settings)		-15% / -15%	-5% / -5%	-4% / -4%

	low	med.	high
Anno 2070 (2011)	51.2	29	18.8
Tomb Raider (2013)	41.9	20.3	11.8
BioShock Infinite (2013)	29.5	15.3	12.64

Noise Level

Idle		29.5 / 29.5 / 31.9 dB(A)
Load		33.9 / 36.5 dB(A)

	30 dB silent 40 dB(A) audible 50 dB(A) loud
min: , med: , max: Voltcraft sl-451 (15 cm distance)

Max. Load

Idle


32 °C	37.1 °C	30.9 °C
20.9 °C	33.1 °C	30.5 °C
26.7 °C	27.7 °C	32.1 °C

Maximum: 37.1 °C
Average: 30.1 °C


31.1 °C	39.3 °C	32.7 °C
31.5 °C	30.6 °C	28.5 °C
30.6 °C	28 °C	26.6 °C

Maximum: 39.3 °C
Average: 31 °C

Power Supply (max.) 34.1 °C | Room Temperature 21 °C | Fluke 62 Max

(±) The average temperature for the upper side under maximal load is 32.8 °C / 91 F, compared to the average of 30.8 °C / 87 F for the devices in the class Subnotebook.
(±) The maximum temperature on the upper side is 40.6 °C / 105 F, compared to the average of 35.9 °C / 97 F, ranging from 21.4 to 59 °C for the class Subnotebook.
(±) The bottom heats up to a maximum of 43.5 °C / 110 F, compared to the average of 39.4 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 30.1 °C / 86 F, compared to the device average of 30.8 °C / 87 F.
(+) The palmrests and touchpad are reaching skin temperature as a maximum (34.7 °C / 94.5 F) and are therefore not hot.
(-) The average temperature of the palmrest area of similar devices was 28.3 °C / 82.9 F (-6.4 °C / -11.6 F).

Power Consumption

Off / Standby	0 / 0.2 Watt
Idle	3.6 / 5.5 / 7.7 Watt
Load	28.9 / 29 Watt


Key: min: , med: , max: Extech Power Analyzer 380803

Battery Runtime - WiFi (sort by value)
Dell Latitude 12 E5250	331 min
HP EliteBook 725 G2	258 min
Lenovo ThinkPad X240	363 min
Asus ASUSPRO Advanced BU201LA-DT036G	218 min

Legend

Dell Latitude 12 E5250 Intel Core i5-4310U, Intel HD Graphics 4400, Sandisk X110 SD6SF1M-256G-1022

HP EliteBook 725 G2 AMD A10 Pro-7350B, AMD Radeon R6 (Kaveri), Hitachi Travelstar Z7K500 HTS725050A7E630

Lenovo ThinkPad X240 Intel Core i7-4600U, Intel HD Graphics 4400, Samsung SSD 840 250GB MZ7TD256HAFV

Asus ASUSPRO Advanced BU201LA-DT036G Intel Core i5-4210U, Intel HD Graphics 4400, Toshiba MQ01ABF050

Battery Runtime

Idle (without WLAN, min brightness)		10h 46min
WiFi Surfing		5h 31min
Load (maximum brightness)		1h 32min

尽管戴尔的Latitude E5250相比14寸的姊妹机型小了1.5寸，它仍然是一款设计优秀的商务笔记本。它机身简洁雅致的设计和杰出的工艺质量都让人无可挑剔。遗憾的是，尽管售价高达1050欧元（约7536人民币），它的屏幕却没有提供高质量镁合金上盖材质。同时，它的维护底盖也需要更实用的设计。它脆弱的小卡扣显得十分容易折断。我们特别喜欢的是它的输入设备。它们不仅适合移动实用，也可以完美替代外接设备。按键压力点和手感都十分不错。戴尔十分重视产品安全性。这款设备提供了对NFC和智能卡的支持，很多软件选项可以在定制选购中选择——当然都不是免费的。E5250最大的缺点在于屏幕。它采用的低亮度TN屏幕让这款本身不错的笔记本电脑显得黯淡无光。尽管采用了磨砂屏幕表面，在户外使用仍然十分困难。全高清的IPS屏幕只有增加预算才可以选择。戴尔的Latitude在系统性能上再次表现优秀。由于配备了高速的固态硬盘和强劲处理器，这款测试机可以满足各种软件的需求。它的散热系统也十分出色。在负载下的噪音控制在了舒适的水平，而不连接电源它也可以在日常使用中坚持很长一段时间。但是，它无法在我们的无线上网测试中达到一个工作日所需的续航时间。
整体上，戴尔Latitude E5250表现十分不错。不过，这款商务本的很多配置选项都会提高购买所需的预算。有充足预算的用户可以自行定制一台出色的12.5寸笔记本电脑。预算有限的用户则最好对比一下市场上的其他产品再做决定。

注：本文是基于完整评测的缩减版本，阅读完整的英文评测，请点击这里。

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Specifications

Dell Latitude 12 E5250 (Latitude Series)

Processor

Intel Core i5-4310U 2 x 2 - 3 GHz, Haswell

Graphics adapter

Intel HD Graphics 4400, Core: 1100 MHz, igdumdim64 10.18.10.3960 / Win 8.1 64

Memory

8 GB

, DDR3L 1600 MHz, 1/2 内存槽已占用, 单通道

Display

12.50 inch 16:9, 1366 x 768 pixel, BOE05F4 HB12201, TN, glossy: no

Mainboard

Intel Lynx Point-LP

Storage

Sandisk X110 SD6SF1M-256G-1022, 256 GB

Soundcard

Intel Lynx Point-LP - High Definition Audio Controller

Connections

3 USB 3.0 / 3.1 Gen1, 1 HDMI, 1 DisplayPort, 1 Kensington Lock, 1 Docking Station Port, Audio Connections: 整合耳机插口, Card Reader: SD, 1 SmartCard, 1 Fingerprint Reader, Sensors: 亮度传感器

Networking

Intel I218-LM Gigabit (10/100/1000MBit/s), Intel Dual Band Wireless-AC 7265 (a/b/g/h/n = Wi-Fi 4/ac = Wi-Fi 5/), Bluetooth Bluetooth 4.0

Size

height x width x depth (in mm): 23 x 310 x 212

Battery

40 Wh Lithium-Ion, 3 芯，快速充电功能

Operating System

Microsoft Windows 8.1 Pro 64 Bit

Camera

Webcam: 720p

Additional features

Speakers: 立体声, Keyboard: 孤岛式, Keyboard Light: yes, 65 W 电源适配器

Weight

1.67 kg, Power Supply: 308 g

Links

Dell homepage
Dell notebook section

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Pros

+ 机身

+ 输入设备

+ 可选的拓展坞和电池配件

+ 系统性能

+ 噪音

+ 可维护性

+ NFC

Cons

- 仅一年质保

- 屏幕亮度

- 可视角度稳定性

- 电池只有在打开底盖后才能更换

- SIM卡槽难以使用

Dell Latitude 12 E5250 - 01/04/2015 v4 ^(old)
Nino Ricchizzi

Chassis

80 / 98 → 82%

Keyboard

87%

Pointing Device

85%

Connectivity

80 / 80 → 100%

Weight

67 / 35-78 → 74%

Battery

85%

Display

74%

Games Performance

68 / 68 → 100%

Application Performance

74 / 87 → 85%

Temperature

87 / 91 → 96%

Noise

92%

Audio

50 / 91 → 55%

Camera

42 / 85 → 49%

Average

75%

81%

Subnotebook - Weighted Average

> Notebookcheck中文版（NBC中国） > 评测 > 戴尔 Latitude 12 E5250 笔记本电脑简短评测

Nino Ricchizzi, 2015-01-18 (Update: 2015-01-18)

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