NVIDIA GeForce GTX 1660 Ti Max Q vs AMD Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 6GB VRAM GeForce GTX 1660 Ti Max Q and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1660 Ti Max Q 's Advantages
Released 3 years and 11 months late
Boost Clock1335MHz
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 174.7GB/s)
512 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 1660 Ti Max Q
+109%
4.101 TFLOPS
Radeon R9 M390 Mac Edition
1.962 TFLOPS
Graphics Card
Apr 2019
Release Date
May 2015
GeForce 16 Mobile
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1140 MHz
Base Clock
-
1335 MHz
Boost Clock
-
1500 MHz
Memory Clock
1365 MHz
Memory
6GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
256bit
288.0GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
16
24
SM Count
-
1536
Shading Units
1024
96
TMUs
64
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
64.08 GPixel/s
Pixel Rate
30.66 GPixel/s
128.2 GTexel/s
Texture Rate
61.31 GTexel/s
8.202 TFLOPS
FP16 (half)
-
4.101 TFLOPS
FP32 (float)
1.962 TFLOPS
128.2 GFLOPS
FP64 (double)
122.6 GFLOPS
Board Design
Unknown
TDP
80W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
TU116
GPU Name
Pitcairn
-
GPU Variant
Pitcairn PRO
(215-0828062)
Turing
Architecture
GCN 1.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
6.6 billion
Transistors
2.8 billion
284 mm²
Die Size
212 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
7.5
CUDA
-
6.7
Shader Model
5.1
