GPUs

Intel Iris Plus 645 1050MHz vs Intel UHD 620 1100MHz Full Specs

384 Shaders
1.05GHz
192 Shaders
1.1GHz
Shared Memory42.7GB/s
·
Shared Memory46.9GB/s
···
··
806.4 GFLOPS
··
422.4 GFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
Shared

Iris Plus 645 1050MHzIris Plus 645 1050MHz806.4 GFLOPSFP16
x1.91
UHD 620 1100MHzUHD 620 1100MHz422.4 GFLOPSFP16
x1

Clock Speed
···
Clock Speed
···
Peak OPS
806.4 GFLOPSFP16
Peak OPS
422.4 GFLOPSFP16
FP32
806.4 GFLOPS
FP32
422.4 GFLOPS
FP64
201.6 GFLOPS
FP64
105.6 GFLOPS
Pixel Rate
6.3 GPixel/s
Pixel Rate
3.3 GPixel/s
Texture Rate
50.4 GTexel/s
Texture Rate
26.4 GTexel/s

Shaders
384 Shaders
Shaders
192 Shaders
TMUs
48 TMUs
TMUs
24 TMUs
ROPs
6 ROPs
ROPs
3 ROPs
EUs
48 EUs
EUs
24 EUs

Base Clock
300MHz
Base Clock
300MHz
Boost Clock
1.05GHz
Boost Clock
1.1GHz

Shared Memory
·
Shared Memory
···
Memory Bus
128-bit
Memory Bus
128-bit
Memory Speed
2.7GT/s
Memory Speed
2.9GT/s
Memory Bandwidth
42.7GB/s
Memory Bandwidth
46.9GB/s

Multi-Monitor
3
Multi-Monitor
3

Encoder Model
Quick Sync Video 6
Encoder Model
Quick Sync Video 6

Decoder Model
Quick Sync Video 6
Decoder Model
Quick Sync Video 6

Form Factor
iGPU
Form Factor
iGPU
Cooling
Open-Air
Cooling
Passive

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
Iris Plus branding
Branding
UHD 2017 branding
Codename
Kaby Lake
Codename
-
Chip Variant
GT1
Chip Variant
GT1
Market Segment
Laptop
Market Segment
Desktop
Release Date
Apr 5, 2018
Release Date
Aug 21, 2017

Foundry
Intel
Foundry
Intel
Fabrication Node
14nm++
Fabrication Node
14nm+++
Die Size
148mm²
Die Size
126mm²
Transistor Count
2.5 Billion
Transistor Count
2.1 Billion
Transistor Density
17 MTr/mm²
Transistor Density
17 MTr/mm²

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