Imagination PowerVR GX6450 A8 vs Qualcomm Adreno 640 Full Specs

Summary

128 Shaders 475MHz	768 Shaders 585MHz
Shared Memory12.8GB/sLPDDR3	Shared Memory34.1GB/sLPDDR4X
Peak·FP32·FP16 121.6 GFLOPS	Peak·FP32·FP16 898.6 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP 5W

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

PowerVR GX6450 A8243.2 GFLOPSFP16

x1

Adreno 6401.8 TFLOPSFP16

x7.39

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Theoretical Performance

Clock Speed475MHz UC·Boost·OC	Clock Speed585MHz UC·Boost·OC
Peak OPS 243.2 GFLOPSFP16	Peak OPS 1.8 TFLOPSFP16
FP32 121.6 GFLOPS	FP32 898.6 GFLOPS
FP64 7.6 GFLOPS	FP64 224.6 GFLOPS
Pixel Rate 3.8 GPixel/s	Pixel Rate 14 GPixel/s
Texture Rate 3.8 GTexel/s	Texture Rate 28.1 GTexel/s

Core Config

Shaders 128 Shaders	Shaders 768 Shaders
TMUs 8 TMUs	TMUs 48 TMUs
ROPs 8 ROPs	ROPs 24 ROPs
EUs 8 EUs	EUs 6 EUs

Clocks

Boost Clock 475MHz

Boost Clock 585MHz

Cache

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

Memory

Shared MemoryLPDDR3	Shared MemoryLPDDR4X
Memory Bus 64-bit	Memory Bus 64-bit
Memory Speed 1.6GT/s	Memory Speed 4.3GT/s
Memory Bandwidth 12.8GB/s	Memory Bandwidth 34.1GB/s
ECC No	ECC No

Power & Thermals

TDP Shared

TDP 5W

Video Output

Multi-Monitor 1

Multi-Monitor 1

Encoder

-	Encoder Model Hexagon 690

Decoder

-	Decoder Model Hexagon 690

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer Imagination	Manufacturer Qualcomm
Chip Designer Imagination	Chip Designer Qualcomm
Architecture Rogue	Architecture Adreno 600
Family A Series	Family Adreno 600
Branding	Branding
Codename Series6XT	Codename -
Chip Variant GXA6450	Chip Variant -
Market Segment Smartphone	Market Segment Smartphone
Release Date Sep 19, 2014	Release Date Oct 22, 2019

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 20nm	Fabrication Node N7
Die Size 89mm²	Die Size 77mm²
Transistor Count 2 Billion	Transistor Count -
Transistor Density 22 MTr/mm²	Transistor Density -

Images

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Used In

CPUs A8 A8 (iPad)	CPUs Snapdragon 855 Snapdragon 855A
Smartphones iPhone 6iPhone 6 Plus	Smartphones Pixel 4Pixel 4 XL
Tablets iPad mini 4(A8, Late 2015)	Tablets -

Competitors

ImaginationPowerVR GX6450 A8 vs GPU Apple5-Core A18 Pro ImaginationPowerVR GX6450 A8 vs GPU Apple4-Core A19 ImaginationPowerVR GX6450 A8 vs GPU Apple5-Core A19 Pro Show 5 more

QualcommAdreno 640 vs GPU Apple5-Core A18 Pro QualcommAdreno 640 vs GPU Apple5-Core A19 Pro QualcommAdreno 640 vs GPU Apple6-Core A19 Pro Show 10 more