NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
Released 8 years and 9 months late
Boost Clock1260MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (512.0GB/s vs 80.00GB/s)
7040 additional rendering cores
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Lower TDP (50W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
+2463%
18.71 TFLOPS
GeForce GTX 660M Mac Edition
0.73 TFLOPS
Graphics Card
Jan 2022
Release Date
Apr 2013
GeForce 30 Mobile
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
810 MHz
Base Clock
-
1260 MHz
Boost Clock
-
2000 MHz
Memory Clock
1250 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
80.00GB/s
Render Config
-
-
-
58
SM Count
-
7424
Shading Units
384
232
TMUs
32
96
ROPs
16
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
121.0 GPixel/s
Pixel Rate
7.600 GPixel/s
292.3 GTexel/s
Texture Rate
30.40 GTexel/s
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP32 (float)
729.6 GFLOPS
292.3 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
115W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GA103S
GPU Name
GK107
GN20-E8-A1
GPU Variant
-
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
Unknown
Transistors
1.27 billion
496 mm²
Die Size
118 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.0
6.5
Shader Model
5.1
