NVIDIA B300 SXM6 AC vs AMD Radeon RX 460 1024SP
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jan 2017
Generation
Server Blackwell
Arctic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1665 MHz
1090 MHz
Boost Clock
2032 MHz
1200 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
288GB
2GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
128bit
Bandwidth
8.19TB/s
112.0GB/s
Render Config
SM Count
148
—
Shading Units
18944
1024
TMUs
592
64
ROPs
24
16
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
126 MB
1024 KB
Compute Units
—
16
Theoretical Performance
Pixel Rate
48.77 GPixel/s
19.20 GPixel/s
Texture Rate
1202.9 GTexel/s
76.80 GTexel/s
FP16 (half)
76.99 TFLOPS
2.458 TFLOPS
FP32 (float)
76.99 TFLOPS
2.458 TFLOPS
FP64 (double)
1202.9 GFLOPS
153.6 GFLOPS
Graphics Processor
GPU Name
GB110
Baffin
Architecture
Blackwell Ultra
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
208 billion
3 billion
Die Size
1628 mm²
123 mm²
GPU Variant
—
Baffin XT
Board Design
TDP
1100W
75W
Suggested PSU
1500 W
250 W
Outputs
No outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Power Connectors
—
None
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.2
CUDA
10.3
—
Shader Model
N/A
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.