Product Compare

NVIDIA GeForce RTX 2080 SUPER Max Q vs NVIDIA B300

GPU GPU
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