NVIDIA GeForce RTX 5090 Mobile vs NVIDIA GeForce GTX 1660 Ti Mobile
We compared two Mobile platform GPUs: 24GB VRAM GeForce RTX 5090 Mobile and 6GB VRAM GeForce GTX 1660 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5090 Mobile 's Advantages
Released 5 years and 11 months late
More VRAM (24GB vs 6GB)
Larger VRAM bandwidth (896.0GB/s vs 288.0GB/s)
8960 additional rendering cores
NVIDIA GeForce GTX 1660 Ti Mobile 's Advantages
Boost Clock has increased by 5% (1590MHz vs 1515MHz)
Score
Benchmark
FP32 (float)
GeForce RTX 5090 Mobile
+551%
31.8 TFLOPS
GeForce GTX 1660 Ti Mobile
4.884 TFLOPS
Graphics Card
Mar 2025
Release Date
Apr 2019
GeForce 50 Mobile
Generation
GeForce 16 Mobile
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
990 MHz
Base Clock
1455 MHz
1515 MHz
Boost Clock
1590 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
24GB
Memory Size
6GB
GDDR7
Memory Type
GDDR6
256bit
Memory Bus
192bit
896.0GB/s
Bandwidth
288.0GB/s
Render Config
-
-
-
82
SM Count
24
10496
Shading Units
1536
328
TMUs
96
112
ROPs
48
328
Tensor Cores
-
82
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
64 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
169.7 GPixel/s
Pixel Rate
76.32 GPixel/s
496.9 GTexel/s
Texture Rate
152.6 GTexel/s
31.80 TFLOPS
FP16 (half)
9.769 TFLOPS
31.80 TFLOPS
FP32 (float)
4.884 TFLOPS
496.9 GFLOPS
FP64 (double)
152.6 GFLOPS
Board Design
95W
TDP
Unknown
550 W
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GB203
GPU Name
TU116
GN22-X11-A1
GPU Variant
-
Blackwell 2.0
Architecture
Turing
TSMC
Foundry
TSMC
5 nm
Process Size
12 nm
45.6 billion
Transistors
6.6 billion
378 mm²
Die Size
284 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.4
Vulkan
1.3
12.0
CUDA
7.5
6.8
Shader Model
6.7
