MediaTek Helio X20 vs Qualcomm Snapdragon 821

VS

MediaTek Helio X20 Qualcomm Snapdragon 821

We compared two versions of phone SoCs: 10 cores 2100MHz MediaTek Helio X20 vs. 4 cores 2342MHz Qualcomm Snapdragon 821 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

MediaTek Helio X20 Advantages

Lower TDP (5W vs 11W)

Qualcomm Snapdragon 821 Advantages

Better graphics card performance FLOPS (0.3343 TFLOPS vs 0.0998 TFLOPS )

Larger memory bandwidth (29.8GB/s vs 12.8GB/s)

Higher Frequency (2342MHz vs 2100MHz)

More modern manufacturing process (14nm vs 20nm)

Released 1 years and 3 months late

Score

Benchmark

FP32 (float)

MediaTek Helio X20

99

Qualcomm Snapdragon 821 +237%

334

MediaTek Helio X20

VS

Qualcomm Snapdragon 821

CPU

2x 2.1 GHz – Cortex-A72
4x 1.85 GHz – Cortex-A53
4x 1.4 GHz – Cortex-A53

Architecture

2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo

2100 MHz

Frequency

2342 MHz

10

Cores

4

-

L2 cache

1 MB

20 nm

Process

14 nm

3

Transistor count

2

5 W

TDP

11 W

TSMC

Manufacturing

Samsung

Graphics

Mali-T880 MP4

GPU name

Adreno 530

780 MHz

GPU frequency

653 MHz

4

Execution units

1

16

Shading units

256

4

Max size

8

0.0998 TFLOPS

FLOPS

0.3343 TFLOPS

1.0

Vulkan version

1.0

1.2

OpenCL version

2.0

11.2

DirectX version

11

Memory

LPDDR3

Memory type

LPDDR4

933 MHz

Memory frequency

1866 MHz

2x 16 Bit

Bus

4x 16 Bit

12.8 Gbit/s

Max bandwidth

29.8 Gbit/s

AI

No

NPU

Hexagon 680

Multimedia (ISP)

No

Neural processor (NPU)

Hexagon 680

eMMC 5.1

Storage type

eMMC 5.1, UFS 2.0

2560 x 1600

Max display resolution

3840 x 2160

1x 25MP

Max camera resolution

1x 28MP, 2x 13MP

4K at 30FPS

Video capture

4K at 30FPS

Video playback

4K at 30FPS

H.264, H.265, VP9

Video codecs

H.264, H.265, VP8, VP9

AIFF, CAF, MP3, MP4, WAV

Audio codecs

AIFF, CAF, MP3, MP4, WAV

-

Modem

X12

Connectivity

LTE Cat. 6

4G support

LTE Cat. 12

No

5G support

No

Up to 300 Mbps

Download speed

Up to 600 Mbps

Up to 50 Mbps

Upload speed

Up to 150 Mbps

5

Wi-Fi

5

4.1

Bluetooth

4.1

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo

Info

May 2015

Announced

Aug 2016

Mid range

Class

Flagship

MT6797

Model number

MSM8996 Pro-AC

MediaTek Helio X20

Official page

Qualcomm Snapdragon 821

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