SOC QUALCOMM ADRENO 643
QCM6490

QCM6490

Mid-range Released: August 12, 2021
Clock Speed
2710
MHZ
Process
6
NM
Cores
8
Count

Technical Highlights

GPU : Adreno 643 (Adreno 600)
GPU Frequency : 812 MHz
Memory : LPDDR5X, LPDDR5, LPDDR4X
AnTuTu Score : 736,307

About this Chipset

QCM6490 is a 6 nm upper mid-range 5G SoC with Kryo 670 CPU cores, Adreno 643 graphics, LPDDR5/LPDDR4X memory, UFS storage, Hexagon 770 AI acceleration, Wi-Fi 6E, and mmWave/sub-6 5G.

Last updated: August 10, 2026

Overall Score Of QCM6490

This summarizes how QCM6490 scores across key areas like CPU, GPU, AI, efficiency, and connectivity.

74
Overall
Benchmark
61
CPU
82
Graphics
60
Memory
69
Connectivity
78

General Information of QCM6490

Name

QCM6490

Brand

Qualcomm

Class

Mid-range

Release Date

August 12, 2021

Foundry

TSMC

CPU Specifications of QCM6490

CPU Architecture

1x 2.71 GHz Kryo 670 Gold Plus (Cortex-A78), 3x 2.4 GHz Kryo 670 Gold (Cortex-A78), 4x 1.96 GHz Kryo 670 Silver (Cortex-A55)

CPU Frequency

2710 MHz

59% of the current best CPU Frequency score

Cores

Excellent

8

80% of the current best Cores score

Instruction Set

ARMv8.2-A

Process (nm)

6 nm

33% of the current best Process (nm) score

TDP

5 W

40% of the current best TDP score

Graphics Specifications of QCM6490

GPU

Adreno 643

Graphics Architecture

Adreno 600

GPU Frequency

Good

812 MHz

47% of the current best GPU Frequency score

Pipelines

2

8% of the current best Pipelines score

Shading Units

Good

192

38% of the current best Shading Units score

Total Shaders

384

19% of the current best Total Shaders score

FLOPS

623.6 Gigaflops

11% of the current best FLOPS score

Vulkan Version

1.1

OpenCL Version

2.0

DirectX Version

12.1

Memory Specifications of QCM6490

Memory Type

Excellent

LPDDR5X, LPDDR5, LPDDR4X

75% of the current best Memory Type score

Memory Frequency

Excellent

4200 MHz

79% of the current best Memory Frequency score

Bus

2x 16 Bit

Bandwidth

33.6 Gb/s

39% of the current best Bandwidth score

Memory Size

Excellent

16 GB

50% of the current best Memory Size score

Storage Interface

Good

eMMC 5.1, SD 3.0, UFS 3.1

67% of the current best Storage Interface score

Benchmark Metrics of QCM6490

AnTuTu Benchmark (V11)

V11 total score with CPU, GPU, MEM, and UX breakdown

736,307
Total
18% of the current best Total score
CPU
256,966
21% of the current best CPU score
GPU
154,721
10% of the current best GPU score
MEM
104,511
22% of the current best MEM score
UX
220,109
27% of the current best UX score

AnTuTu Benchmark (V10)

V10 total score with CPU, GPU, MEM, and UX breakdown

676,317
Total
17% of the current best Total score
CPU
225,658
19% of the current best CPU score
GPU
145,463
10% of the current best GPU score
MEM
98,257
17% of the current best MEM score
UX
206,939
22% of the current best UX score

Geekbench (V6)

CPU performance snapshot

Single-Core
1,129
29% of the current best Single-Core score
Multi-Core
2,999
24% of the current best Multi-Core score

Connectivity of QCM6490

Download Speed

Up to 3700 Mbps

25% of the current best Download Speed score

Modem Speed

Snapdragon X53 Mbps

1% of the current best Modem Speed score

Upload Speed

Up to 2500 Mbps

50% of the current best Upload Speed score

5G Support

Yes

Wi-Fi Version

Wi-Fi 6E

Bluetooth Version

5.2

AI Accelerator of QCM6490

Neural Processor

Excellent

Hexagon 770

78% of the current best Neural Processor score

NPU Theoretical Performance

12 TOPS

12% of the current best NPU Theoretical Performance score

AI Support

Yes

Performance Charts Of QCM6490

These charts show the balance of QCM6490 across key areas and how its benchmark results compare to today’s top performers.

Performance Radar Chart

Category scores overview (0 to 100)
QCM6490

Performance Benchmarks

Grey is the market top value. Colored bar is QCM6490.
Market Top
QCM6490

Latest Phones Using QCM6490

These are the latest phones in our database that use the QCM6490 chipset.

Try to Compare QCM6490 With Another Mobile SoC

Compare QCM6490 with another chipset to see differences in CPU, GPU, AI, efficiency, and connectivity.

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Frequently Asked Questions about QCM6490

The QCM6490 scores a total of 736,307 on AnTuTu v11, providing a fluid experience for daily mobile tasks and standard applications. The score is broken down into CPU: 256,966, GPU: 154,721, Memory: 104,511, UX: 220,109.

The QCM6490 was officially released in August 12, 2021, aiming to provide a competitive performance experience for mobile devices.

The QCM6490 features a 8-core CPU architecture, designed to balance peak performance with everyday power efficiency.

The QCM6490 is manufactured using a specialized process by TSMC, which optimizes the chipset's power efficiency and performance.

The QCM6490 operates at a CPU frequency (base clock) of 2710 MHz, which determines the speed at which the chipset handles instructions.

The QCM6490 achieves a single-core score of 1,129 on Geekbench. This is a key metric for measuring how snappy the device will feel when launching and switching between apps.

With a performance score of 74%, the QCM6490 is positioned as a high-end chipset in our comprehensive mobile rankings.

The QCM6490 features the Adreno 643 GPU, which handles graphics rendering and is responsible for determining the chipset's mobile gaming capabilities.

Yes, the QCM6490 includes a dedicated NPU (Neural Processing Unit) for accelerating on-device AI tasks like computational photography and real-time voice translation.

The QCM6490 is compatible with LPDDR5X, LPDDR5, LPDDR4X memory, enabling fast data access which is crucial for modern operating systems and demanding games.

Yes, the QCM6490 features an integrated 5G modem, providing ultra-fast mobile data speeds and low latency where network infrastructure permits.