Radeon HD 8400 IGP vs Iris Plus Graphics 645
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon HD 8400 IGP 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
Iris Plus Graphics 645 's Advantages
Released 5 years and 11 months late
Boost Clock1050MHz
256 additional rendering cores
Lower TDP (15W vs 25W)
Score
Benchmark
FP32 (float)
Radeon HD 8400 IGP
154
Iris Plus Graphics 645
+423%
806
Graphics Card
Nov 2013
Release Date
Oct 2019
Kabini
Generation
HD Graphics-M
Integrated
Type
Integrated
IGP
Bus Interface
Ring Bus
Clock Speeds
-
Base Clock
300 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
2
Compute Units
-
128
Shading Units
384
8
TMUs
48
4
ROPs
6
Theoretical Performance
2.400 GPixel/s
Pixel Rate
6.300 GPixel/s
4.800 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
1.613 TFLOPS
153.6 GFLOPS
FP32 (float)
806.4 GFLOPS
9.600 GFLOPS
FP64 (double)
201.6 GFLOPS
Board Design
25W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
Kalindi
GPU Name
Coffee Lake GT3e
GCN 2.0
Architecture
Generation 9.5
TSMC
Foundry
Intel
28 nm
Process Size
14 nm+++
1.178 billion
Transistors
Unknown
110 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
6.3
Shader Model
6.4
