Intel Iris Xe MAX Graphics vs AMD Radeon R9 M390X
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Iris Xe MAX Graphics 's Advantages
Released 5 years and 5 months late
Boost Clock1650MHz
Lower TDP (25W vs 75W)
AMD Radeon R9 M390X 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 68.26GB/s)
1280 additional rendering cores
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
2.534 TFLOPS
Radeon R9 M390X
+16%
2.961 TFLOPS
Graphics Card
Oct 2020
Release Date
May 2015
HD Graphics-M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
300 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2133 MHz
Memory Clock
1250 MHz
Memory
4GB
Memory Size
4GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
256bit
68.26GB/s
Bandwidth
160.0GB/s
Render Config
-
Compute Units
32
-
-
-
768
Shading Units
2048
48
TMUs
128
24
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
23.14 GPixel/s
79.20 GTexel/s
Texture Rate
92.54 GTexel/s
5.069 TFLOPS
FP16 (half)
2.961 TFLOPS
2.534 TFLOPS
FP32 (float)
2.961 TFLOPS
633.6 GFLOPS
FP64 (double)
185.1 GFLOPS
Board Design
25W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
DG1
GPU Name
Amethyst
-
GPU Variant
Amethyst XT
Generation 12.1
Architecture
GCN 3.0
Intel
Foundry
TSMC
10 nm
Process Size
28 nm
Unknown
Transistors
5 billion
95 mm²
Die Size
366 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
-
-
-
6.4
Shader Model
6.3
