Intel Iris Xe MAX Graphics vs NVIDIA GeForce GT 640M LE
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM GeForce GT 640M LE 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 8 years and 5 months late
Boost Clock1650MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (68.26GB/s vs 50.24GB/s)
672 additional rendering cores
Lower TDP (25W vs 32W)
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+776%
2.534 TFLOPS
GeForce GT 640M LE
0.289 TFLOPS
Graphics Card
Oct 2020
Release Date
May 2012
HD Graphics-M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
300 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2133 MHz
Memory Clock
785 MHz
Memory
4GB
Memory Size
2GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
128bit
68.26GB/s
Bandwidth
50.24GB/s
Render Config
-
-
-
-
SM Count
2
768
Shading Units
96
48
TMUs
16
24
ROPs
4
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
3.012 GPixel/s
79.20 GTexel/s
Texture Rate
12.05 GTexel/s
5.069 TFLOPS
FP16 (half)
-
2.534 TFLOPS
FP32 (float)
289.0 GFLOPS
633.6 GFLOPS
FP64 (double)
24.08 GFLOPS
Board Design
25W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
DG1
GPU Name
GF108
-
-
-
Generation 12.1
Architecture
Fermi
Intel
Foundry
TSMC
10 nm
Process Size
40 nm
Unknown
Transistors
0.585 billion
95 mm²
Die Size
116 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
2.1
6.4
Shader Model
5.1
