Radeon RX 640 Mobile vs Iris Xe MAX Graphics
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 4GB VRAM Iris Xe MAX Graphics 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)
Radeon RX 640 Mobile
1559
Iris Xe MAX Graphics
+62%
2534
Graphics Card
May 2019
Release Date
Oct 2020
Mobility Radeon
Generation
HD Graphics-M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x8
Clock Speeds
1082 MHz
Base Clock
300 MHz
1218 MHz
Boost Clock
1650 MHz
1500 MHz
Memory Clock
2133 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
LPDDR4X
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
68.26GB/s
Render Config
10
Compute Units
-
640
Shading Units
768
40
TMUs
48
16
ROPs
24
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB
Theoretical Performance
19.49 GPixel/s
Pixel Rate
39.60 GPixel/s
48.72 GTexel/s
Texture Rate
79.20 GTexel/s
1.559 TFLOPS
FP16 (half)
5.069 TFLOPS
1.559 TFLOPS
FP32 (float)
2.534 TFLOPS
97.44 GFLOPS
FP64 (double)
633.6 GFLOPS
Board Design
50W
TDP
25W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 23
GPU Name
DG1
Polaris 23 XT
GPU Variant
-
GCN 4.0
Architecture
Generation 12.1
GlobalFoundries
Foundry
Intel
14 nm
Process Size
10 nm
2.2 billion
Transistors
Unknown
103 mm²
Die Size
95 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.3
6.4
Shader Model
6.4
