AMD Radeon R6 M255DX vs Intel Iris Plus Graphics 640
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon R6 M255DX and 0System Shared VRAM Iris Plus Graphics 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Iris Plus Graphics 640 's Advantages
Released 2 years and 3 months late
Boost Clock has increased by 17% (1100MHz vs 940MHz)
Score
Benchmark
FP32 (float)
Radeon R6 M255DX
0.721 TFLOPS
Iris Plus Graphics 640
+17%
0.845 TFLOPS
Graphics Card
Oct 2014
Release Date
Jan 2017
Gem System Hybrid
Generation
HD Graphics-M
Integrated
Type
Integrated
IGP
Bus Interface
Ring Bus
Clock Speeds
925 MHz
Base Clock
300 MHz
940 MHz
Boost Clock
1100 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
6
Compute Units
-
-
-
-
384
Shading Units
384
24
TMUs
48
8
ROPs
6
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-
Theoretical Performance
7.520 GPixel/s
Pixel Rate
6.600 GPixel/s
22.56 GTexel/s
Texture Rate
52.80 GTexel/s
721.9 GFLOPS
FP16 (half)
1.690 TFLOPS
721.9 GFLOPS
FP32 (float)
844.8 GFLOPS
45.12 GFLOPS
FP64 (double)
211.2 GFLOPS
Board Design
Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
Topaz
GPU Name
Kaby Lake GT3e
Topaz PRO
(216-0858030)
GPU Variant
-
GCN 3.0
Architecture
Generation 9.5
TSMC
Foundry
Intel
28 nm
Process Size
14 nm++
1.55 billion
Transistors
Unknown
125 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.3
-
-
-
6.5
Shader Model
6.4
