Intel Iris Xe MAX Graphics vs AMD Radeon Pro 455
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM Radeon Pro 455 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 4 years late
Boost Clock1650MHz
More VRAM (4GB vs 2GB)
Lower TDP (25W vs 35W)
AMD Radeon Pro 455 's Advantages
Larger VRAM bandwidth (81.28GB/s vs 68.26GB/s)
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+92%
2.534 TFLOPS
Radeon Pro 455
1.313 TFLOPS
Graphics Card
Oct 2020
Release Date
Oct 2016
HD Graphics-M
Generation
Radeon Pro Mac
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
300 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2133 MHz
Memory Clock
1270 MHz
Memory
4GB
Memory Size
2GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
128bit
68.26GB/s
Bandwidth
81.28GB/s
Render Config
-
Compute Units
12
-
-
-
768
Shading Units
768
48
TMUs
48
24
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
1024 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
13.68 GPixel/s
79.20 GTexel/s
Texture Rate
41.04 GTexel/s
5.069 TFLOPS
FP16 (half)
1313 GFLOPS
2.534 TFLOPS
FP32 (float)
1313 GFLOPS
633.6 GFLOPS
FP64 (double)
82.08 GFLOPS
Board Design
25W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
DG1
GPU Name
Baffin
-
GPU Variant
Baffin PRO
Generation 12.1
Architecture
GCN 4.0
Intel
Foundry
GlobalFoundries
10 nm
Process Size
14 nm
Unknown
Transistors
3 billion
95 mm²
Die Size
123 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
