ATI Radeon 3100 Mobile IGP vs Intel Iris Plus Graphics 645
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 3100 Mobile 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
Intel Iris Plus Graphics 645 's Advantages
Released 11 years and 2 months late
Boost Clock1050MHz
344 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 3100 Mobile IGP
0.028 TFLOPS
Iris Plus Graphics 645
+2778%
0.806 TFLOPS
Graphics Card
Aug 2008
Release Date
Oct 2019
TeraScale IGP
Generation
HD Graphics-M
Integrated
Type
Integrated
PCIe 1.0 x16
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
-
-
-
-
40
Shading Units
384
4
TMUs
48
4
ROPs
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Theoretical Performance
1.400 GPixel/s
Pixel Rate
6.300 GPixel/s
1.400 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
1.613 TFLOPS
28.00 GFLOPS
FP32 (float)
806.4 GFLOPS
-
FP64 (double)
201.6 GFLOPS
Board Design
Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
RS780
GPU Name
Coffee Lake GT3e
RS780M
GPU Variant
-
TeraScale
Architecture
Generation 9.5
-
Foundry
Intel
65 nm
Process Size
14 nm+++
0.18 billion
Transistors
Unknown
85 mm²
Die Size
Unknown
Graphics Features
10.0 (10_0)
DirectX
12 (12_1)
3.3
OpenGL
4.6
1.0
OpenCL
3.0
N/A
Vulkan
1.3
-
-
-
4.1
Shader Model
6.4
