NVIDIA GeForce GTX 1660 SUPER vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Oct 2019
Sep 2025
Generation
GeForce 16
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1530 MHz
1665 MHz
Boost Clock
1785 MHz
2032 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
6GB
288GB
Memory Type
GDDR6
HBM3e
Memory Bus
192bit
8192bit
Bandwidth
336.0GB/s
8.19TB/s
Render Config
SM Count
22
148
Shading Units
1408
18944
TMUs
88
592
ROPs
48
24
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
1536 KB
126 MB
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
85.68 GPixel/s
48.77 GPixel/s
Texture Rate
157.1 GTexel/s
1202.9 GTexel/s
FP16 (half)
10.05 TFLOPS
76.99 TFLOPS
FP32 (float)
5.027 TFLOPS
76.99 TFLOPS
FP64 (double)
157.1 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
TU116
GB110
GPU Variant
TU116-300-A1
-
Architecture
Turing
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
6.6 billion
208 billion
Die Size
284 mm²
1628 mm²
Board Design
TDP
125W
1100W
Suggested PSU
300 W
1500 W
Outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
-
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
6.6
N/A
📊 Benchmark
3DMark Time Spy
6,048
-
3DMark Time Spy Extreme
2,792
-
Battlefield 5 1080p
97
-
Shadow of the Tomb Raider 2160p
26
-
Shadow of the Tomb Raider 1440p
52
-
Shadow of the Tomb Raider 1080p
79
-
Battlefield 5 2160p
41
-
Battlefield 5 1440p
78
-
GTA 5 2160p
60
-
GTA 5 1440p
76
-
GTA 5 1080p
178
-