Product Compare

NVIDIA B300 vs NVIDIA GeForce RTX 2080 Mobile

GPU GPU
Graphics Card
Release Date Sep 2025 Jan 2019
Generation Server Blackwell GeForce 20 Mobile
Type Desktop Mobile
Bus Interface PCIe 5.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1665 MHz 1380 MHz
Boost Clock 2032 MHz 1590 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 144GB 8GB
Memory Type HBM3e GDDR6
Memory Bus 4096bit 256bit
Bandwidth 4.10TB/s 448.0GB/s
Render Config
SM Count 148 46
Shading Units 18944 2944
TMUs 592 184
ROPs 24 64
Tensor Cores 592 368
L1 Cache 256 KB (per SM) 64 KB (per SM)
L2 Cache 50 MB 4 MB
RT Cores 46
Theoretical Performance
Pixel Rate 48.77 GPixel/s 101.8 GPixel/s
Texture Rate 1202.9 GTexel/s 292.6 GTexel/s
FP16 (half) 1231.8 TFLOPS 18.72 TFLOPS
FP32 (float) 76.99 TFLOPS 9.362 TFLOPS
FP64 (double) 1202.9 GFLOPS 292.6 GFLOPS
Graphics Processor
GPU Name GB110 TU104
Architecture Blackwell Ultra Turing
Foundry TSMC TSMC
Process Size 5 nm 12 nm
Transistors 104 billion 13.6 billion
Die Size Unknown 545 mm²
GPU Variant N18E-G3-A1
Board Design
TDP 1400W 150W
Suggested PSU 1800 W
Outputs No outputs No outputs
Graphics Features
DirectX N/A 12 Ultimate (12_2)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.3
CUDA 10.3 7.5
Shader Model N/A 6.6