NVIDIA GeForce GTX 1660 Ti Max Q vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Apr 2019
Sep 2025
Generation
GeForce 16 Mobile
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1140 MHz
1665 MHz
Boost Clock
1335 MHz
2032 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
6GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
192bit
4096bit
Bandwidth
288.0GB/s
4.10TB/s
Render Config
SM Count
24
148
Shading Units
1536
18944
TMUs
96
592
ROPs
48
24
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
1536 KB
50 MB
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
64.08 GPixel/s
48.77 GPixel/s
Texture Rate
128.2 GTexel/s
1202.9 GTexel/s
FP16 (half)
8.202 TFLOPS
1231.8 TFLOPS
FP32 (float)
4.101 TFLOPS
76.99 TFLOPS
FP64 (double)
128.2 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
TU116
GB110
Architecture
Turing
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
6.6 billion
104 billion
Die Size
284 mm²
Unknown
Board Design
TDP
Unknown
1400W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Suggested PSU
—
1800 W
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
7.5
10.3
Shader Model
6.7
N/A
Benchmark
3DMark Time Spy
4,973
—
3DMark Time Spy Extreme
2,304
—
Blender
870
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.