Imagination PowerVR GX6450 A8 vs AMD Radeon R6 6CU 464MHz GCN 2 Full Specs

Summary

128 Shaders 475MHz	384 Shaders 464MHz
Shared Memory12.8GB/sLPDDR3	Shared Memory25.6GB/sDDR3
Peak·FP32·FP16 121.6 GFLOPS	Peak·FP32·FP16 356.4 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Theoretical Performance

Clock Speed475MHz UC·Boost·OC	Clock Speed464MHz UC·Boost·OC
Peak OPS 243.2 GFLOPSFP16	Peak OPS 356.4 GFLOPSFP16
FP32 121.6 GFLOPS	FP32 356.4 GFLOPS
FP64 7.6 GFLOPS	FP64 22.27 GFLOPS
Pixel Rate 3.8 GPixel/s	Pixel Rate 3.7 GPixel/s
Texture Rate 3.8 GTexel/s	Texture Rate 11.1 GTexel/s

Core Config

Shaders 128 Shaders	Shaders 384 Shaders
TMUs 8 TMUs	TMUs 24 TMUs
ROPs 8 ROPs	ROPs 8 ROPs
EUs 8 EUs	CUs 6 CUs

Clocks

Boost Clock 475MHz

Boost Clock 464MHz

Cache

L1 -	L1 16KB/CU
L2 Cache -	L2 Cache 128KB shared

Memory

Shared MemoryLPDDR3	Shared MemoryDDR3
Memory Bus 64-bit	Memory Bus 128-bit
Memory Speed 1.6GT/s	Memory Speed 1.6GT/s
Memory Bandwidth 12.8GB/s	Memory Bandwidth 25.6GB/s
ECC No	ECC No

Video Output

Max Resolution 2048x1536	Max Resolution 4096x2160
Refresh Rate Calculator 1920x1080 Resolution1080p FHD Refresh Rate 91Hz	Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz
Multi-Monitor 1	Multi-Monitor 3
DSC Not Supported	DSC Not Supported

API Support

Shader Model -	Shader Model 6.5
DirectX DirectX 10 Direct3D 10_0	DirectX DirectX 12 Direct3D 12_0
OpenGL 3.3 OpenCL 1.2 Vulkan 1.1	OpenGL 4.6 OpenCL 2.1 Vulkan 1.2
-	GFX 7

Encoder

-	Encoder VCE 2.0
Codec -	Codec AVC (H.264)

Decoder

-	Decoder UVD 4.2
Codec -	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer Imagination	Manufacturer AMD
Chip Designer Imagination	Chip Designer AMD
Architecture Rogue	Architecture GCN 2
Family A Series	Family GCN 2
Branding	Branding
Codename Series6XT	Codename Spectre
Chip Variant GXA6450	Chip Variant Spectre SL
Market Segment Smartphone	Market Segment Laptop
Release Date Sep 19, 2014	Release Date Jun 1, 2014

Fabrication

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node 20nm	Fabrication Node 28nm
Die Size 89mm²	Die Size 245mm²
Transistor Count 2B	Transistor Count 2.4B
Transistor Density 22 MTr/mm²	Transistor Density 10 MTr/mm²

Images