Intel HD 646MHz Gen 7 vs Intel HD 400 500MHz Full Specs

Summary

32 Shaders 646MHz	96 Shaders 500MHz
Shared Memory5.3GB/sDDR3L	Shared Memory12.8GB/sDDR3L
Peak·FP32·FP16 41.34 GFLOPS	Peak·FP32·FP16 96 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Theoretical Performance

Clock Speed646MHz UC·Base·Boost·OC	Clock Speed500MHz UC·Base·Boost·OC
Peak OPS 41.34 GFLOPSFP32	Peak OPS 192 GFLOPSFP16
FP32 41.34 GFLOPS	FP32 96 GFLOPS
FP64 10.34 GFLOPS	FP64 24 GFLOPS
Pixel Rate 0.7 GPixel/s	Pixel Rate 1 GPixel/s
Texture Rate 2.6 GTexel/s	Texture Rate 6 GTexel/s

Core Config

Shaders 32 Shaders	Shaders 96 Shaders
TMUs 4 TMUs	TMUs 12 TMUs
ROPs 1 ROP	ROPs 2 ROPs
EUs 4 EUs	EUs 12 EUs

Clocks

Base Clock 311MHz	Base Clock 200MHz
Boost Clock 646MHz	Boost Clock 500MHz

Memory

Shared MemoryDDR3L	Shared MemoryDDR3L
Memory Bus 32-bit	Memory Bus 64-bit
Memory Speed 1.3GT/s	Memory Speed 1.6GT/s
Memory Bandwidth 5.3GB/s	Memory Bandwidth 12.8GB/s
ECC No	ECC No

Video Output

Multi-Monitor 2

Multi-Monitor 2

Encoder

Encoder Model Quick Sync Video 2	Encoder Model Quick Sync Video 4
Codec - AVC (H.264)	Codec JPEG AVC (H.264)

Decoder

Decoder Model Quick Sync Video 2	Decoder Model Quick Sync Video 4
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - AVC (H.264)	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP8 AVC (H.264)

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer Intel	Manufacturer Intel
Chip Designer Intel	Chip Designer Intel
Architecture Gen 7	Architecture Gen 8
Family Gen 7	Family Gen 8
Branding	Branding
Codename Bay Trail	Codename Braswell
Chip Variant GT1	Chip Variant GT1
Market Segment Tablet	Market Segment Tablet
Release Date Sep 2, 2013	Release Date Apr 1, 2015

Fabrication

Foundry Intel	Foundry Intel
Fabrication Node 22nm	Fabrication Node 14nm
Die Size 105mm²	Die Size 87mm²
Transistor Count 830 Million	Transistor Count 1.3 Billion
Transistor Density 8 MTr/mm²	Transistor Density 15 MTr/mm²

Images