NVIDIA B300 SXM6 AC vs AMD Steam Deck GPU
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Feb 2022
Generation
Server Blackwell
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 6.0 x16
—
Clock Speeds
Base Clock
1665 MHz
1000 MHz
Boost Clock
2032 MHz
1600 MHz
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
288GB
16GB
Memory Type
HBM3e
LPDDR5
Memory Bus
8192bit
128bit
Bandwidth
8.19TB/s
88.00GB/s
Render Config
SM Count
148
—
Shading Units
18944
512
TMUs
592
32
ROPs
24
16
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
126 MB
1024 KB
Compute Units
—
8
RT Cores
—
8
L3 Cache
—
8 MB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
25.60 GPixel/s
Texture Rate
1202.9 GTexel/s
51.20 GTexel/s
FP16 (half)
76.99 TFLOPS
3.277 TFLOPS
FP32 (float)
76.99 TFLOPS
1.638 TFLOPS
FP64 (double)
1202.9 GFLOPS
102.4 GFLOPS
Graphics Processor
GPU Name
GB110
Van Gogh
Architecture
Blackwell Ultra
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
208 billion
2.4 billion
Die Size
1628 mm²
163 mm²
GPU Variant
—
100-000000405
Board Design
TDP
1100W
15W
Suggested PSU
1500 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
2.0
Vulkan
N/A
1.3
CUDA
10.3
—
Shader Model
N/A
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.