NVIDIA GeForce RTX 2080 SUPER Max Q vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Apr 2020
Sep 2025
Generation
GeForce 20 Mobile
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
735 MHz
1665 MHz
Boost Clock
975 MHz
2032 MHz
Memory Clock
1375 MHz
2000 MHz
Memory
Memory Size
8GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
352.0GB/s
4.10TB/s
Render Config
SM Count
48
148
Shading Units
3072
18944
TMUs
192
592
ROPs
64
24
Tensor Cores
384
592
RT Cores
48
—
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
4 MB
50 MB
Theoretical Performance
Pixel Rate
62.40 GPixel/s
48.77 GPixel/s
Texture Rate
187.2 GTexel/s
1202.9 GTexel/s
FP16 (half)
11.98 TFLOPS
1231.8 TFLOPS
FP32 (float)
5.990 TFLOPS
76.99 TFLOPS
FP64 (double)
187.2 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
TU104
GB110
GPU Variant
N18E-G3R
—
Architecture
Turing
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
13.6 billion
104 billion
Die Size
545 mm²
Unknown
Board Design
TDP
80W
1400W
Outputs
No outputs
No outputs
Power Connectors
None
—
Suggested PSU
—
1800 W
Graphics Features
DirectX
12 Ultimate (12_2)
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.