NVIDIA B300 vs AMD FireStream 9350
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jun 2010
Generation
Server Blackwell
FireStream
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
1000 MHz
Memory
Memory Size
144GB
2GB
Memory Type
HBM3e
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
128.0GB/s
Render Config
SM Count
148
—
Shading Units
18944
1440
TMUs
592
72
ROPs
24
32
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
8 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
—
18
Theoretical Performance
Pixel Rate
48.77 GPixel/s
22.40 GPixel/s
Texture Rate
1202.9 GTexel/s
50.40 GTexel/s
FP16 (half)
1231.8 TFLOPS
—
FP32 (float)
76.99 TFLOPS
2.016 TFLOPS
FP64 (double)
1202.9 GFLOPS
403.2 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 PRO GL
Board Design
TDP
1400W
150W
Suggested PSU
1800 W
450 W
Outputs
No outputs
1x DisplayPort 1.1
Power Connectors
—
1x 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.