B15 Q vs S40

Quick verdict

Which is better?

S40 leads the measured specs 11-2.

Measured wins

B15 Q: 2S40: 11Ties: 5

Choose B15 Q for

CPU speed
Weight

Choose S40 for

NFC
Storage
Main camera

Biggest differences

NFCS40

NovsYes+100%

StorageS40

4 GBvs16 GB+75%

Main cameraS40

5.0 MPvs8.0 MP+38%

BatteryS40

2,000 mAhvs3,000 mAh+33%

B15 Q

Cat

AView Details

S40

Cat

BView Details

Head-to-head comparison

B15 Q

spec wins

Ties

equal specs

S40

spec wins

Overall winner

Display

Screen size

B15 Q4.0"

S404.7"+15%

Resolution

B15 Q480 × 800 px

S40540 × 960 px+26%

Refresh rate

B15 Q—

S40—

Peak brightness

B15 Q—

S40—

Pixel density

B15 Q233 ppi

S40234 ppi+0.4%

Performance

CPU speed

B15 QQuad-core 1.3 GHz Cortex-A7+15%

S40Quad-core 1.1 GHz Cortex-A7

RAM

equal specs

B15 Q1.0 GB

S401.0 GB

Storage

B15 Q4 GB

S4016 GB+75%

Cameras

Main camera

B15 Q5.0 MP

S408.0 MP+38%

Front camera

B15 Q—

S402.0 MP

Battery

B15 Q2,000 mAh

S403,000 mAh+33%

Wired charging

B15 Q—

S40—

Build

Weight

B15 Q170 g+8.8%

S40185 g

Thickness

B15 Q15.0 mm

S4012.5 mm+20%

IP rating

B15 QIP67

S40IP68+0.2%

Connectivity

Wi‑Fi

B15 QWi-Fi 802.11 b/g/n, hotspot

S40Wi-Fi 802.11 b/g/n, hotspot

Bluetooth

B15 Q4.0, A2DP, LE

S404.1, A2DP, LE+2.4%

USB

equal specs

B15 QmicroUSB 2.0

S40microUSB 2.0, OTG

5G support

equal specs

B15 QNo

S40No

NFC

B15 QNo

S40Yes+100%

3.5mm jack

equal specs

B15 QYes

S40Yes

SD card

equal specs

B15 QYes

S40Yes

Stereo speakers

B15 Q—

S40—

B15 QSpecS40

Display

4.0"

Screen size

4.7"+15%

480 × 800 px

Resolution

540 × 960 px+26%

—

Refresh rate

—

Peak brightness

—

233 ppi

Pixel density

234 ppi+0.4%

Performance

Quad-core 1.3 GHz Cortex-A7+15%

CPU speed

Quad-core 1.1 GHz Cortex-A7

1.0 GB

RAMequal specs

1.0 GB

4 GB

Storage

16 GB+75%

Cameras

5.0 MP

Main camera

8.0 MP+38%

—

Front camera

2.0 MP

Battery

2,000 mAh

Battery

3,000 mAh+33%

—

Wired charging

—

Build

170 g+8.8%

Weight

185 g

15.0 mm

Thickness

12.5 mm+20%

IP67

IP rating

IP68+0.2%

Connectivity

Wi-Fi 802.11 b/g/n, hotspot

Wi‑Fi

Wi-Fi 802.11 b/g/n, hotspot

4.0, A2DP, LE

Bluetooth

4.1, A2DP, LE+2.4%

microUSB 2.0

USBequal specs

microUSB 2.0, OTG

5G supportequal specs

NFC

Yes+100%

Yes

3.5mm jackequal specs

Yes

SD cardequal specs

Yes

—

Stereo speakers

—

Specifications Comparison

Network

Technology

B15 Q

GSM / HSPA

S40

GSM / HSPA / LTE

2G bands

B15 Q

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

S40

GSM 850 / 900 / 1800 / 1900

3G bands

B15 Q

HSDPA 850 / 900 / 2100 - EU, EMEA, HSDPA 850 / 1700 / 1900 / 2100 - Latin America

S40

HSDPA 850 / 900 / 2100 - Global, HSDPA 850 / 1700(AWS) / 1900 - North America

Speed

B15 Q

HSPA 21.1/5.76 Mbps

S40

HSPA, LTE Cat4 150/50 Mbps

4G bands

B15 Q

S40

1, 3, 7, 8, 20 - Global, 2, 4, 5, 7, 12, 17 - North America

GSM / HSPATechnologyGSM / HSPA / LTE

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 22G bandsGSM 850 / 900 / 1800 / 1900

HSDPA 850 / 900 / 2100 - EU, EMEA, HSDPA 850 / 1700 / 1900 / 2100 - Latin America3G bandsHSDPA 850 / 900 / 2100 - Global, HSDPA 850 / 1700(AWS) / 1900 - North America

HSPA 21.1/5.76 MbpsSpeedHSPA, LTE Cat4 150/50 Mbps

-4G bands1, 3, 7, 8, 20 - Global, 2, 4, 5, 7, 12, 17 - North America

Launch

Announced

B15 Q

2014, Q2. Released 2014, June

S40

2015, July. Released 2015, August

Status

B15 Q

Discontinued

S40

Discontinued

2014, Q2. Released 2014, JuneAnnounced2015, July. Released 2015, August

DiscontinuedStatusDiscontinued

Body

Dimensions

B15 Q

125 x 69.5 x 15 mm (4.92 x 2.74 x 0.59 in)

S40

144.9 x 74.1 x 12.5 mm (5.70 x 2.92 x 0.49 in)

Weight

B15 Q

170 g (6.00 oz)

S40

185 g (6.53 oz)

SIM

B15 Q

Dual SIM (Mini-SIM, dual stand-by)

S40

Nano-SIM

Other

B15 Q

IP67 dust/water resistant (up to 1m for 30 min) MIL-STD-810G compliant Drop resistant up to 1.8m

S40

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.8m MIL-STD-810G compliant

125 x 69.5 x 15 mm (4.92 x 2.74 x 0.59 in)Dimensions144.9 x 74.1 x 12.5 mm (5.70 x 2.92 x 0.49 in)

170 g (6.00 oz)Weight185 g (6.53 oz)

Dual SIM (Mini-SIM, dual stand-by)SIMNano-SIM

IP67 dust/water resistant (up to 1m for 30 min) MIL-STD-810G compliant Drop resistant up to 1.8mOtherIP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.8m MIL-STD-810G compliant

Display

Type

B15 Q

TFT

S40

IPS LCD

Size

B15 Q

4.0 inches, 45.5 cm2 (~52.4% screen-to-body ratio)

S40

4.7 inches, 60.9 cm2 (~56.7% screen-to-body ratio)

Resolution

B15 Q

480 x 800 pixels, 5:3 ratio (~233 ppi density)

S40

540 x 960 pixels, 16:9 ratio (~234 ppi density)

Protection

B15 Q

Corning Gorilla Glass

S40

Corning Gorilla Glass 4

TFTTypeIPS LCD

4.0 inches, 45.5 cm2 (~52.4% screen-to-body ratio)Size4.7 inches, 60.9 cm2 (~56.7% screen-to-body ratio)

480 x 800 pixels, 5:3 ratio (~233 ppi density)Resolution540 x 960 pixels, 16:9 ratio (~234 ppi density)

Corning Gorilla GlassProtectionCorning Gorilla Glass 4

Platform

B15 Q

Android 4.4.2 (KitKat)

S40

Android 5.1 (Lollipop)

Chipset

B15 Q

Mediatek MT6582M (28 nm)

S40

Qualcomm MSM8909 Snapdragon 210 (28 nm)

CPU

B15 Q

Quad-core 1.3 GHz Cortex-A7

S40

Quad-core 1.1 GHz Cortex-A7

GPU

B15 Q

Mali-400MP2

S40

Adreno 304

Android 4.4.2 (KitKat)OSAndroid 5.1 (Lollipop)

Mediatek MT6582M (28 nm)ChipsetQualcomm MSM8909 Snapdragon 210 (28 nm)

Quad-core 1.3 GHz Cortex-A7CPUQuad-core 1.1 GHz Cortex-A7

Mali-400MP2GPUAdreno 304

Memory

Card slot

B15 Q

microSDHC

S40

microSDXC (dedicated slot)

Internal

B15 Q

4GB 1GB RAM

S40

16GB 1GB RAM

Other

B15 Q

S40

eMMC 4.5

microSDHCCard slotmicroSDXC (dedicated slot)

4GB 1GB RAMInternal16GB 1GB RAM

-OthereMMC 4.5

Main Camera

Single

B15 Q

5 MP, AF

S40

8 MP, AF

Features

B15 Q

LED flash

S40

LED flash

Video

B15 Q

1080p@30fps

S40

1080p@60fps

5 MP, AFSingle8 MP, AF

LED flashFeaturesLED flash

1080p@30fpsVideo1080p@60fps

Selfie camera

Single

B15 Q

VGA

S40

2 MP

Video

B15 Q

S40

VGASingle2 MP

Video

Sound

Loudspeaker

B15 Q

Yes

S40

Yes

3.5mm jack

B15 Q

Yes

S40

Yes

YesLoudspeakerYes

Yes3.5mm jackYes

Comms

WLAN

B15 Q

Wi-Fi 802.11 b/g/n, hotspot

S40

Wi-Fi 802.11 b/g/n, hotspot

Bluetooth

B15 Q

4.0, A2DP, LE

S40

4.1, A2DP, LE

Positioning

B15 Q

GPS

S40

GPS, GLONASS

NFC

B15 Q

S40

Yes

Radio

B15 Q

FM radio

S40

FM radio

USB

B15 Q

microUSB 2.0

S40

microUSB 2.0, OTG

Wi-Fi 802.11 b/g/n, hotspotWLANWi-Fi 802.11 b/g/n, hotspot

4.0, A2DP, LEBluetooth4.1, A2DP, LE

GPSPositioningGPS, GLONASS

NoNFCYes

FM radioRadioFM radio

microUSB 2.0USBmicroUSB 2.0, OTG

Features

Sensors

B15 Q

Accelerometer, proximity

S40

Accelerometer, proximity, compass

Accelerometer, proximitySensorsAccelerometer, proximity, compass

Battery

Type

B15 Q

Li-Ion 2000 mAh, removable

S40

Li-Ion 3000 mAh, non-removable

Stand-by

B15 Q

Up to 504 h

S40

Up to 936 h

Talk time

B15 Q

Up to 16 h

S40

Up to 18 h

Li-Ion 2000 mAh, removableTypeLi-Ion 3000 mAh, non-removable

Up to 504 hStand-byUp to 936 h

Up to 16 hTalk timeUp to 18 h

Misc

Colors

B15 Q

Black

S40

Black

Price

B15 Q

About 320 EUR

S40

About 440 EUR

BlackColorsBlack

About 320 EURPriceAbout 440 EUR

B15 Q vs S40

Quick verdict

Which is better?

S40 leads the measured specs 11-2.

Measured wins

B15 Q: 2S40: 11Ties: 5

Choose B15 Q for

CPU speed
Weight

Choose S40 for

NFC
Storage
Main camera

Biggest differences

NFCS40

NovsYes+100%

StorageS40

4 GBvs16 GB+75%

Main cameraS40

5.0 MPvs8.0 MP+38%

BatteryS40

2,000 mAhvs3,000 mAh+33%

Head-to-head comparison

B15 Q

spec wins

Ties

equal specs

S40

spec wins

Overall winner

Display

Screen size

B15 Q4.0"

S404.7"+15%

Resolution

B15 Q480 × 800 px

S40540 × 960 px+26%

Refresh rate

B15 Q—

S40—

Peak brightness

B15 Q—

S40—

Pixel density

B15 Q233 ppi

S40234 ppi+0.4%

Performance

CPU speed

B15 QQuad-core 1.3 GHz Cortex-A7+15%

S40Quad-core 1.1 GHz Cortex-A7

RAM

equal specs

B15 Q1.0 GB

S401.0 GB

Storage

B15 Q4 GB

S4016 GB+75%

Cameras

Main camera

B15 Q5.0 MP

S408.0 MP+38%

Front camera

B15 Q—

S402.0 MP

Battery

B15 Q2,000 mAh

S403,000 mAh+33%

Wired charging

B15 Q—

S40—

Build

Weight

B15 Q170 g+8.8%

S40185 g

Thickness

B15 Q15.0 mm

S4012.5 mm+20%

IP rating

B15 QIP67

S40IP68+0.2%

Connectivity

Wi‑Fi

B15 QWi-Fi 802.11 b/g/n, hotspot

S40Wi-Fi 802.11 b/g/n, hotspot

Bluetooth

B15 Q4.0, A2DP, LE

S404.1, A2DP, LE+2.4%

USB

equal specs

B15 QmicroUSB 2.0

S40microUSB 2.0, OTG

5G support

equal specs

B15 QNo

S40No

NFC

B15 QNo

S40Yes+100%

3.5mm jack

equal specs

B15 QYes

S40Yes

SD card

equal specs

B15 QYes

S40Yes

Stereo speakers

B15 Q—

S40—

B15 QSpecS40

Display

4.0"

Screen size

4.7"+15%

480 × 800 px

Resolution

540 × 960 px+26%

—

Refresh rate

—

Peak brightness

—

233 ppi

Pixel density

234 ppi+0.4%

Performance

Quad-core 1.3 GHz Cortex-A7+15%

CPU speed

Quad-core 1.1 GHz Cortex-A7

1.0 GB

RAMequal specs

1.0 GB

4 GB

Storage

16 GB+75%

Cameras

5.0 MP

Main camera

8.0 MP+38%

—

Front camera

2.0 MP

Battery

2,000 mAh

Battery

3,000 mAh+33%

—

Wired charging

—

Build

170 g+8.8%

Weight

185 g

15.0 mm

Thickness

12.5 mm+20%

IP67

IP rating

IP68+0.2%

Connectivity

Wi-Fi 802.11 b/g/n, hotspot

Wi‑Fi

Wi-Fi 802.11 b/g/n, hotspot

4.0, A2DP, LE

Bluetooth

4.1, A2DP, LE+2.4%

microUSB 2.0

USBequal specs

microUSB 2.0, OTG

5G supportequal specs

NFC

Yes+100%

Yes

3.5mm jackequal specs

Yes

SD cardequal specs

Yes

—

Stereo speakers

—

Specifications Comparison

Network

Technology

B15 Q

GSM / HSPA

S40

GSM / HSPA / LTE

2G bands

B15 Q

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

S40

GSM 850 / 900 / 1800 / 1900

3G bands

B15 Q

HSDPA 850 / 900 / 2100 - EU, EMEA, HSDPA 850 / 1700 / 1900 / 2100 - Latin America

S40

HSDPA 850 / 900 / 2100 - Global, HSDPA 850 / 1700(AWS) / 1900 - North America

Speed

B15 Q

HSPA 21.1/5.76 Mbps

S40

HSPA, LTE Cat4 150/50 Mbps

4G bands

B15 Q

S40

1, 3, 7, 8, 20 - Global, 2, 4, 5, 7, 12, 17 - North America

GSM / HSPATechnologyGSM / HSPA / LTE

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 22G bandsGSM 850 / 900 / 1800 / 1900

HSDPA 850 / 900 / 2100 - EU, EMEA, HSDPA 850 / 1700 / 1900 / 2100 - Latin America3G bandsHSDPA 850 / 900 / 2100 - Global, HSDPA 850 / 1700(AWS) / 1900 - North America

HSPA 21.1/5.76 MbpsSpeedHSPA, LTE Cat4 150/50 Mbps

-4G bands1, 3, 7, 8, 20 - Global, 2, 4, 5, 7, 12, 17 - North America

Launch

Announced

B15 Q

2014, Q2. Released 2014, June

S40

2015, July. Released 2015, August

Status

B15 Q

Discontinued

S40

Discontinued

2014, Q2. Released 2014, JuneAnnounced2015, July. Released 2015, August

DiscontinuedStatusDiscontinued

Body

Dimensions

B15 Q

125 x 69.5 x 15 mm (4.92 x 2.74 x 0.59 in)

S40

144.9 x 74.1 x 12.5 mm (5.70 x 2.92 x 0.49 in)

Weight

B15 Q

170 g (6.00 oz)

S40

185 g (6.53 oz)

SIM

B15 Q

Dual SIM (Mini-SIM, dual stand-by)

S40

Nano-SIM

Other

B15 Q

IP67 dust/water resistant (up to 1m for 30 min) MIL-STD-810G compliant Drop resistant up to 1.8m

S40

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.8m MIL-STD-810G compliant

125 x 69.5 x 15 mm (4.92 x 2.74 x 0.59 in)Dimensions144.9 x 74.1 x 12.5 mm (5.70 x 2.92 x 0.49 in)

170 g (6.00 oz)Weight185 g (6.53 oz)

Dual SIM (Mini-SIM, dual stand-by)SIMNano-SIM

Display

Type

B15 Q

TFT

S40

IPS LCD

Size

B15 Q

4.0 inches, 45.5 cm2 (~52.4% screen-to-body ratio)

S40

4.7 inches, 60.9 cm2 (~56.7% screen-to-body ratio)

Resolution

B15 Q

480 x 800 pixels, 5:3 ratio (~233 ppi density)

S40

540 x 960 pixels, 16:9 ratio (~234 ppi density)

Protection

B15 Q

Corning Gorilla Glass

S40

Corning Gorilla Glass 4

TFTTypeIPS LCD

4.0 inches, 45.5 cm2 (~52.4% screen-to-body ratio)Size4.7 inches, 60.9 cm2 (~56.7% screen-to-body ratio)

480 x 800 pixels, 5:3 ratio (~233 ppi density)Resolution540 x 960 pixels, 16:9 ratio (~234 ppi density)

Corning Gorilla GlassProtectionCorning Gorilla Glass 4

Platform

B15 Q

Android 4.4.2 (KitKat)

S40

Android 5.1 (Lollipop)

Chipset

B15 Q

Mediatek MT6582M (28 nm)

S40

Qualcomm MSM8909 Snapdragon 210 (28 nm)

CPU

B15 Q

Quad-core 1.3 GHz Cortex-A7

S40

Quad-core 1.1 GHz Cortex-A7

GPU

B15 Q

Mali-400MP2

S40

Adreno 304

Android 4.4.2 (KitKat)OSAndroid 5.1 (Lollipop)

Mediatek MT6582M (28 nm)ChipsetQualcomm MSM8909 Snapdragon 210 (28 nm)

Quad-core 1.3 GHz Cortex-A7CPUQuad-core 1.1 GHz Cortex-A7

Mali-400MP2GPUAdreno 304

Memory

Card slot

B15 Q

microSDHC

S40

microSDXC (dedicated slot)

Internal

B15 Q

4GB 1GB RAM

S40

16GB 1GB RAM

Other

B15 Q

S40

eMMC 4.5

microSDHCCard slotmicroSDXC (dedicated slot)

4GB 1GB RAMInternal16GB 1GB RAM

-OthereMMC 4.5

Main Camera

Single

B15 Q

5 MP, AF

S40

8 MP, AF

Features

B15 Q

LED flash

S40

LED flash

Video

B15 Q

1080p@30fps

S40

1080p@60fps

5 MP, AFSingle8 MP, AF

LED flashFeaturesLED flash

1080p@30fpsVideo1080p@60fps

Selfie camera

Single

B15 Q

VGA

S40

2 MP

Video

B15 Q

S40

VGASingle2 MP

Video

Sound

Loudspeaker

B15 Q

Yes

S40

Yes

3.5mm jack

B15 Q

Yes

S40

Yes

YesLoudspeakerYes

Yes3.5mm jackYes

Comms

WLAN

B15 Q

Wi-Fi 802.11 b/g/n, hotspot

S40

Wi-Fi 802.11 b/g/n, hotspot

Bluetooth

B15 Q

4.0, A2DP, LE

S40

4.1, A2DP, LE

Positioning

B15 Q

GPS

S40

GPS, GLONASS

NFC

B15 Q

S40

Yes

Radio

B15 Q

FM radio

S40

FM radio

USB

B15 Q

microUSB 2.0

S40

microUSB 2.0, OTG

Wi-Fi 802.11 b/g/n, hotspotWLANWi-Fi 802.11 b/g/n, hotspot

4.0, A2DP, LEBluetooth4.1, A2DP, LE

GPSPositioningGPS, GLONASS

NoNFCYes

FM radioRadioFM radio

microUSB 2.0USBmicroUSB 2.0, OTG

Features

Sensors

B15 Q

Accelerometer, proximity

S40

Accelerometer, proximity, compass

Accelerometer, proximitySensorsAccelerometer, proximity, compass

Battery

Type

B15 Q

Li-Ion 2000 mAh, removable

S40

Li-Ion 3000 mAh, non-removable

Stand-by

B15 Q

Up to 504 h

S40

Up to 936 h

Talk time

B15 Q

Up to 16 h

S40

Up to 18 h

Li-Ion 2000 mAh, removableTypeLi-Ion 3000 mAh, non-removable

Up to 504 hStand-byUp to 936 h

Up to 16 hTalk timeUp to 18 h

Misc

Colors

B15 Q

Black

S40

Black

Price

B15 Q

About 320 EUR

S40

About 440 EUR

BlackColorsBlack

About 320 EURPriceAbout 440 EUR