Product Compare

NVIDIA GeForce RTX 3070 Mobile vs NVIDIA B300

GPU GPU
Graphics Card
Release Date Jan 2021 Sep 2025
Generation GeForce 30 Mobile Server Blackwell
Type Mobile Desktop
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1110 MHz 1665 MHz
Boost Clock 1560 MHz 2032 MHz
Memory Clock 1750 MHz 2000 MHz
Memory
Memory Size 8GB 144GB
Memory Type GDDR6 HBM3e
Memory Bus 256bit 4096bit
Bandwidth 448.0GB/s 4.10TB/s
Render Config
SM Count 40 148
Shading Units 5120 18944
TMUs 160 592
ROPs 80 24
Tensor Cores 160 592
RT Cores 40
L1 Cache 128 KB (per SM) 256 KB (per SM)
L2 Cache 4 MB 50 MB
Theoretical Performance
Pixel Rate 124.8 GPixel/s 48.77 GPixel/s
Texture Rate 249.6 GTexel/s 1202.9 GTexel/s
FP16 (half) 15.97 TFLOPS 1231.8 TFLOPS
FP32 (float) 15.97 TFLOPS 76.99 TFLOPS
FP64 (double) 249.6 GFLOPS 1202.9 GFLOPS
Graphics Processor
GPU Name GA104 GB110
GPU Variant GA104-770-A1
Architecture Ampere Blackwell Ultra
Foundry Samsung TSMC
Process Size 8 nm 5 nm
Transistors 17.4 billion 104 billion
Die Size 392 mm² Unknown
Board Design
TDP 115W 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 8.6 10.3
Shader Model 6.6 N/A