Iris Xe MAX Graphics vs Radeon RX 640 Mobile
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM Radeon RX 640 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 1 years and 5 months late
Boost Clock has increased by 35% (1650MHz vs 1218MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (68.26GB/s vs 48.00GB/s)
128 additional rendering cores
Lower TDP (25W vs 50W)
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+62%
2534
Radeon RX 640 Mobile
1559
Graphics Card
Oct 2020
Release Date
May 2019
HD Graphics-M
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
300 MHz
Base Clock
1082 MHz
1650 MHz
Boost Clock
1218 MHz
2133 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
2GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
64bit
68.26GB/s
Bandwidth
48.00GB/s
Render Config
-
Compute Units
10
768
Shading Units
640
48
TMUs
40
24
ROPs
16
-
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
19.49 GPixel/s
79.20 GTexel/s
Texture Rate
48.72 GTexel/s
5.069 TFLOPS
FP16 (half)
1.559 TFLOPS
2.534 TFLOPS
FP32 (float)
1.559 TFLOPS
633.6 GFLOPS
FP64 (double)
97.44 GFLOPS
Board Design
25W
TDP
50W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
DG1
GPU Name
Polaris 23
-
GPU Variant
Polaris 23 XT
Generation 12.1
Architecture
GCN 4.0
Intel
Foundry
GlobalFoundries
10 nm
Process Size
14 nm
Unknown
Transistors
2.2 billion
95 mm²
Die Size
103 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
