Qualcomm Adreno 640+ vs Qualcomm Adreno 660 Full Specs

Summary

768 Shaders 675MHz	768 Shaders 840MHz
Shared Memory34.1GB/sLPDDR4X	Shared Memory51.2GB/sLPDDR5
Peak·FP32·FP16 1.04 TFLOPS	Peak·FP32·FP16 1.29 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP 5W	TDP 5W

Theoretical Performance

Clock Speed675MHz UC·Boost·OC	Clock Speed840MHz UC·Boost·OC
Peak OPS 2.07 TFLOPSFP16	Peak OPS 2.58 TFLOPSFP16
FP32 1.04 TFLOPS	FP32 1.29 TFLOPS
FP64 259.2 GFLOPS	FP64 322.6 GFLOPS
Pixel Rate 16.2 GPixel/s	Pixel Rate 20.2 GPixel/s
Texture Rate 32.4 GTexel/s	Texture Rate 40.3 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 768 Shaders
TMUs 48 TMUs	TMUs 48 TMUs
ROPs 24 ROPs	ROPs 24 ROPs
EUs 6 EUs	EUs 6 EUs

Clocks

Boost Clock 675MHz

Boost Clock 840MHz

Cache

L2 Cache 128KB shared	L2 Cache -
L3 Cache 2MB shared	L3 Cache -

Memory

Shared MemoryLPDDR4X	Shared MemoryLPDDR5
Memory Bus 64-bit	Memory Bus 64-bit
Memory Speed 4.3GT/s	Memory Speed 6.4GT/s
Memory Bandwidth 34.1GB/s	Memory Bandwidth 51.2GB/s
ECC No	ECC No

Power & Thermals

TDP 5W

TDP 5W

Video Output

Multi-Monitor 1

Multi-Monitor 1

Encoder

Encoder Model Hexagon 690	Encoder Model Hexagon 780
Codec H.263 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265)	Codec H.263 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265)

Decoder

Decoder Model Hexagon 690	Decoder Model Hexagon 780
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265)	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265)

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer Qualcomm	Manufacturer Qualcomm
Chip Designer Qualcomm	Chip Designer Qualcomm
Architecture Adreno 600	Architecture Adreno 600
Family Adreno 600	Family Adreno 600
Branding	Branding
Market Segment Smartphone	Market Segment Smartphone
Release Date Jul 9, 2019	Release Date Mar 25, 2021

Fabrication

Foundry TSMC	Foundry Samsung
Fabrication Node N7	Fabrication Node 5LPE

Images