Iris Xe MAX Graphics vs Radeon RX 580X Mobile
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 8GB VRAM Radeon RX 580X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Xe MAX Graphics 's Advantages
Released 2 years and 6 months late
Boost Clock has increased by 53% (1650MHz vs 1077MHz)
Lower TDP (25W vs 100W)
Radeon RX 580X Mobile 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 68.26GB/s)
1536 additional rendering cores
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
2534
Radeon RX 580X Mobile
+95%
4963
Graphics Card
Oct 2020
Release Date
Apr 2018
HD Graphics-M
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
300 MHz
Base Clock
1000 MHz
1650 MHz
Boost Clock
1077 MHz
2133 MHz
Memory Clock
2000 MHz
Memory
4GB
Memory Size
8GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
256bit
68.26GB/s
Bandwidth
256.0GB/s
Render Config
-
Compute Units
36
768
Shading Units
2304
48
TMUs
144
24
ROPs
32
-
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
2 MB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
34.46 GPixel/s
79.20 GTexel/s
Texture Rate
155.1 GTexel/s
5.069 TFLOPS
FP16 (half)
4.963 TFLOPS
2.534 TFLOPS
FP32 (float)
4.963 TFLOPS
633.6 GFLOPS
FP64 (double)
310.2 GFLOPS
Board Design
25W
TDP
100W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
DG1
GPU Name
Polaris 20
-
GPU Variant
Polaris 20M XT
Generation 12.1
Architecture
GCN 4.0
Intel
Foundry
GlobalFoundries
10 nm
Process Size
14 nm
Unknown
Transistors
5.7 billion
95 mm²
Die Size
232 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
6.4
Shader Model
6.4
