NVIDIA B300 vs NVIDIA RTX 6000D
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jul 2025
Generation
Server Blackwell
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1665 MHz
1992 MHz
Boost Clock
2032 MHz
2430 MHz
Memory Clock
2000 MHz
1560 MHz
Memory
Memory Size
144GB
84GB
Memory Type
HBM3e
GDDR7
Memory Bus
4096bit
448bit
Bandwidth
4.10TB/s
1.40TB/s
Render Config
SM Count
148
156
Shading Units
18944
19968
TMUs
592
624
ROPs
24
192
Tensor Cores
592
624
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
128 MB
RT Cores
—
156
Theoretical Performance
Pixel Rate
48.77 GPixel/s
466.6 GPixel/s
Texture Rate
1202.9 GTexel/s
1516.3 GTexel/s
FP16 (half)
1231.8 TFLOPS
97.04 TFLOPS
FP32 (float)
76.99 TFLOPS
97.04 TFLOPS
FP64 (double)
1202.9 GFLOPS
1.516 TFLOPS
Graphics Processor
GPU Name
GB110
GB202
Architecture
Blackwell Ultra
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
104 billion
92.2 billion
Die Size
Unknown
750 mm²
Board Design
TDP
1400W
600W
Suggested PSU
1800 W
1000 W
Outputs
No outputs
4x DisplayPort 2.1b
Power Connectors
—
1x 16-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
12.0
Shader Model
N/A
6.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.