Home GPU Comparison Intel HD Graphics 4000 vs Intel Iris Plus Graphics 645

Intel HD Graphics 4000 vs Intel Iris Plus Graphics 645

Intel HD Graphics 4000
VS
Intel Iris Plus Graphics 645
Intel HD Graphics 4000
Intel Iris Plus Graphics 645
We compared two Integrated graphics card GPUs: 0System Shared VRAM HD Graphics 4000 and 0System Shared VRAM Iris Plus Graphics 645 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Plus Graphics 645 's Advantages
Released 7 years and 5 months late
Boost Clock has increased by 5% (1050MHz vs 1000MHz)
256 additional rendering cores
Lower TDP (15W vs 45W)

Score

Benchmark

FP32 (float)
HD Graphics 4000
0.256 TFLOPS
Iris Plus Graphics 645 +214%
0.806 TFLOPS
HD Graphics 4000
VS
Iris Plus Graphics 645

Graphics Card

May 2012
Release Date
Oct 2019
HD Graphics-M
Generation
HD Graphics-M
Integrated
Type
Integrated
Ring Bus
Bus Interface
Ring Bus

Clock Speeds

650 MHz
Base Clock
300 MHz
1000 MHz
Boost Clock
1050 MHz
System Shared
Memory Clock
System Shared

Memory

System Shared
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Dependent
Bandwidth
System Dependent

Render Config

-
-
-
-
-
-
128
Shading Units
384
16
TMUs
48
2
ROPs
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Theoretical Performance

2.000 GPixel/s
Pixel Rate
6.300 GPixel/s
16.00 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
1.613 TFLOPS
256.0 GFLOPS
FP32 (float)
806.4 GFLOPS
64.00 GFLOPS
FP64 (double)
201.6 GFLOPS

Board Design

45W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Ivy Bridge GT2
GPU Name
Coffee Lake GT3e
-
-
-
Generation 7.0
Architecture
Generation 9.5
Intel
Foundry
Intel
22 nm
Process Size
14 nm+++
1.2 billion
Transistors
Unknown
133 mm²
Die Size
Unknown

Graphics Features

11.1 (11_0)
DirectX
12 (12_1)
4.0
OpenGL
4.6
1.2
OpenCL
3.0
1.0
Vulkan
1.3
-
-
-
5.0
Shader Model
6.4

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