GeForce GTX 1660 Ti Mobile vs Radeon RX 6600M
We compared two Mobile platform GPUs: 6GB VRAM GeForce GTX 1660 Ti Mobile and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 1660 Ti Mobile 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)
Radeon RX 6600M 's Advantages
Released 2 years and 1 months late
Boost Clock has increased by 52% (2416MHz vs 1590MHz)
More VRAM (8GB vs 6GB)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 1660 Ti Mobile
4884
Radeon RX 6600M
+77%
8659
3DMark Time Spy
GeForce GTX 1660 Ti Mobile
5597
Radeon RX 6600M
+43%
8030
3DMark Time Spy Extreme
GeForce GTX 1660 Ti Mobile
2574
Radeon RX 6600M
+43%
3689
Graphics Card
Apr 2019
Release Date
May 2021
GeForce 16 Mobile
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
1455 MHz
Base Clock
2068 MHz
1590 MHz
Boost Clock
2416 MHz
1500 MHz
Memory Clock
1750 MHz
Memory
6GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
192bit
Memory Bus
128bit
288.0GB/s
Bandwidth
224.0GB/s
Render Config
-
Compute Units
28
24
SM Count
-
1536
Shading Units
1792
96
TMUs
112
48
ROPs
64
-
RT Cores
28
64 KB (per SM)
L1 Cache
128 KB per Array
1536 KB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
76.32 GPixel/s
Pixel Rate
154.6 GPixel/s
152.6 GTexel/s
Texture Rate
270.6 GTexel/s
9.769 TFLOPS
FP16 (half)
17.32 TFLOPS
4.884 TFLOPS
FP32 (float)
8.659 TFLOPS
152.6 GFLOPS
FP64 (double)
541.2 GFLOPS
Board Design
Unknown
TDP
100W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
TU116
GPU Name
Navi 23
Turing
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
12 nm
Process Size
7 nm
6.6 billion
Transistors
11.06 billion
284 mm²
Die Size
237 mm²
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
7.5
CUDA
-
6.7
Shader Model
6.5