NVIDIA B300 vs AMD Ryzen AI Z2 Extreme GPU
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Oct 2025
Generation
Server Blackwell
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 5.0 x16
—
Clock Speeds
Base Clock
1665 MHz
800 MHz
Boost Clock
2032 MHz
2700 MHz
Memory Clock
2000 MHz
1000 MHz
Memory
Memory Size
144GB
16GB
Memory Type
HBM3e
LPDDR5X
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
256.0GB/s
Render Config
SM Count
148
—
Shading Units
18944
1024
TMUs
592
64
ROPs
24
48
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
8 MB
Compute Units
—
16
RT Cores
—
16
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
129.6 GPixel/s
Texture Rate
1202.9 GTexel/s
172.8 GTexel/s
FP16 (half)
1231.8 TFLOPS
11.06 TFLOPS
FP32 (float)
76.99 TFLOPS
5.530 TFLOPS
FP64 (double)
1202.9 GFLOPS
345.6 GFLOPS
Graphics Processor
GPU Name
GB110
Strix Point
Architecture
Blackwell Ultra
RDNA 3.5
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
104 billion
34 billion
Die Size
Unknown
233 mm²
GPU Variant
—
100-000001885
Board Design
TDP
1400W
28W
Suggested PSU
1800 W
—
Outputs
No outputs
1x USB Type-C
Power Connectors
—
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.4
CUDA
10.3
—
Shader Model
N/A
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.