NVIDIA GeForce GTX 660M Mac Edition vs Intel Iris Xe MAX Graphics
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 4GB VRAM Iris Xe MAX Graphics to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Larger VRAM bandwidth (80.00GB/s vs 68.26GB/s)
Intel Iris Xe MAX Graphics 's Advantages
Released 7 years and 6 months late
Boost Clock1650MHz
More VRAM (4GB vs 512GB)
384 additional rendering cores
Lower TDP (25W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
0.73 TFLOPS
Iris Xe MAX Graphics
+247%
2.534 TFLOPS
Graphics Card
Apr 2013
Release Date
Oct 2020
GeForce 600M
Generation
HD Graphics-M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
300 MHz
-
Boost Clock
1650 MHz
1250 MHz
Memory Clock
2133 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
LPDDR4X
128bit
Memory Bus
128bit
80.00GB/s
Bandwidth
68.26GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
768
32
TMUs
48
16
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB
Theoretical Performance
7.600 GPixel/s
Pixel Rate
39.60 GPixel/s
30.40 GTexel/s
Texture Rate
79.20 GTexel/s
-
FP16 (half)
5.069 TFLOPS
729.6 GFLOPS
FP32 (float)
2.534 TFLOPS
30.40 GFLOPS
FP64 (double)
633.6 GFLOPS
Board Design
50W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
DG1
-
-
-
Kepler
Architecture
Generation 12.1
TSMC
Foundry
Intel
28 nm
Process Size
10 nm
1.27 billion
Transistors
Unknown
118 mm²
Die Size
95 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.4
