Product Compare

NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA B300

GPU GPU
Graphics Card
Release Date Nov 2013 Sep 2025
Generation GeForce 700M Server Blackwell
Type Mobile Desktop
Bus Interface MXM-B (3.0) PCIe 5.0 x16
Clock Speeds
Base Clock 771 MHz 1665 MHz
Boost Clock 797 MHz 2032 MHz
Memory Clock 1250 MHz 2000 MHz
Memory
Memory Size 4GB 144GB
Memory Type GDDR5 HBM3e
Memory Bus 256bit 4096bit
Bandwidth 160.0GB/s 4.10TB/s
Render Config
Shading Units 1536 18944
TMUs 128 592
ROPs 32 24
L1 Cache 16 KB (per SMX) 256 KB (per SM)
L2 Cache 512 KB 50 MB
SM Count 148
Tensor Cores 592
Theoretical Performance
Pixel Rate 25.50 GPixel/s 48.77 GPixel/s
Texture Rate 102.0 GTexel/s 1202.9 GTexel/s
FP32 (float) 2.448 TFLOPS 76.99 TFLOPS
FP64 (double) 102.0 GFLOPS 1202.9 GFLOPS
FP16 (half) 1231.8 TFLOPS
Graphics Processor
GPU Name GK104 GB110
GPU Variant N14E-GTX-A2
Architecture Kepler Blackwell Ultra
Foundry TSMC TSMC
Process Size 28 nm 5 nm
Transistors 3.54 billion 104 billion
Die Size 294 mm² Unknown
Board Design
TDP 122W 1400W
Outputs No outputs No outputs
Suggested PSU 1800 W
Graphics Features
DirectX 12 (11_0) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.1 N/A
CUDA 3.0 10.3
Shader Model 5.1 N/A