NVIDIA B300 vs AMD ROG Ally GPU
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jan 2023
Generation
Server Blackwell
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 5.0 x16
—
Clock Speeds
Base Clock
1665 MHz
1500 MHz
Boost Clock
2032 MHz
2500 MHz
Memory Clock
2000 MHz
1600 MHz
Memory
Memory Size
144GB
16GB
Memory Type
HBM3e
LPDDR5
Memory Bus
4096bit
64bit
Bandwidth
4.10TB/s
51.20GB/s
Render Config
SM Count
148
—
Shading Units
18944
256
TMUs
592
16
ROPs
24
8
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
6 MB
Compute Units
—
4
RT Cores
—
4
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
20.00 GPixel/s
Texture Rate
1202.9 GTexel/s
40.00 GTexel/s
FP16 (half)
1231.8 TFLOPS
5.120 TFLOPS
FP32 (float)
76.99 TFLOPS
2.560 TFLOPS
FP64 (double)
1202.9 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
GB110
Phoenix
Architecture
Blackwell Ultra
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
104 billion
25.39 billion
Die Size
Unknown
178 mm²
Board Design
TDP
1400W
30W
Suggested PSU
1800 W
—
Outputs
No outputs
No outputs
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
1.3
CUDA
10.3
—
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.