NVIDIA B300 SXM6 AC vs Moore Threads MTT S4000
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Unknown
Generation
Server Blackwell
MUSA-Chunxiao
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1665 MHz
1500 MHz
Boost Clock
2032 MHz
-
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
48GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
384bit
Bandwidth
8.19TB/s
768.0GB/s
Render Config
SM Count
148
-
Shading Units
18944
8192
TMUs
592
512
ROPs
24
512
Tensor Cores
592
128
L1 Cache
256 KB (per SM)
-
L2 Cache
126 MB
4 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
48.77 GPixel/s
768.0 GPixel/s
Texture Rate
1202.9 GTexel/s
768.0 GTexel/s
FP16 (half)
76.99 TFLOPS
49.15 TFLOPS
FP32 (float)
76.99 TFLOPS
24.58 TFLOPS
FP64 (double)
1202.9 GFLOPS
384.0 GFLOPS
Graphics Processor
GPU Name
GB110
MTT Gen 2
Architecture
Blackwell Ultra
MUSA-Chunxiao
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
208 billion
22 billion
Die Size
1628 mm²
Unknown
Board Design
TDP
1100W
450W
Suggested PSU
1500 W
850 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
CUDA
10.3
-
Shader Model
N/A
6.5