Product Compare

NVIDIA B300 vs AMD Radeon HD 6870 1600SP Edition

GPU GPU
Graphics Card
Release Date Sep 2025 Jan 2013
Generation Server Blackwell Northern Islands
Type Desktop Desktop
Bus Interface PCIe 5.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 1665 MHz
Boost Clock 2032 MHz
Memory Clock 2000 MHz 1050 MHz
Memory
Memory Size 144GB 1024MB
Memory Type HBM3e GDDR5
Memory Bus 4096bit 256bit
Bandwidth 4.10TB/s 134.4GB/s
Render Config
SM Count 148
Shading Units 18944 1600
TMUs 592 80
ROPs 24 32
Tensor Cores 592
L1 Cache 256 KB (per SM) 8 KB (per CU)
L2 Cache 50 MB 512 KB
Compute Units 20
Theoretical Performance
Pixel Rate 48.77 GPixel/s 27.20 GPixel/s
Texture Rate 1202.9 GTexel/s 68.00 GTexel/s
FP16 (half) 1231.8 TFLOPS
FP32 (float) 76.99 TFLOPS 2.720 TFLOPS
FP64 (double) 1202.9 GFLOPS 544.0 GFLOPS
Graphics Processor
GPU Name GB110 Cypress
Architecture Blackwell Ultra TeraScale 2
Foundry TSMC TSMC
Process Size 5 nm 40 nm
Transistors 104 billion 2.154 billion
Die Size Unknown 334 mm²
GPU Variant Cypress XT(215-0735033)
Board Design
TDP 1400W 175W
Suggested PSU 1800 W 450 W
Outputs No outputs 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors 2x 6-pin
Graphics Features
DirectX N/A 11.2 (11_0)
OpenGL N/A 4.4
OpenCL 3.0 1.2
Vulkan N/A N/A
CUDA 10.3
Shader Model N/A 5.0