NVIDIA B300 SXM6 AC vs AMD P30PH
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Unknown
Generation
Server Blackwell
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1665 MHz
1120 MHz
Boost Clock
2032 MHz
1206 MHz
Memory Clock
2000 MHz
2100 MHz
Memory
Memory Size
288GB
4GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
268.8GB/s
Render Config
SM Count
148
-
Shading Units
18944
2048
TMUs
592
128
ROPs
24
32
Tensor Cores
592
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
126 MB
2 MB
Compute Units
-
32
Theoretical Performance
Pixel Rate
48.77 GPixel/s
38.59 GPixel/s
Texture Rate
1202.9 GTexel/s
154.4 GTexel/s
FP16 (half)
76.99 TFLOPS
4.940 TFLOPS
FP32 (float)
76.99 TFLOPS
4.940 TFLOPS
FP64 (double)
1202.9 GFLOPS
308.7 GFLOPS
Graphics Processor
GPU Name
GB110
Polaris 20
Architecture
Blackwell Ultra
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
208 billion
5.7 billion
Die Size
1628 mm²
232 mm²
Board Design
TDP
1100W
180W
Suggested PSU
1500 W
450 W
Outputs
No outputs
1x HDMI 2.0b
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
10.3
-
Shader Model
N/A
6.7