NVIDIA B300 vs NVIDIA GeForce RTX 3060 Ti GDDR6X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Oct 2022
Generation
Server Blackwell
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1410 MHz
Boost Clock
2032 MHz
1665 MHz
Memory Clock
2000 MHz
1188 MHz
Memory
Memory Size
144GB
8GB
Memory Type
HBM3e
GDDR6X
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
608.3GB/s
Render Config
SM Count
148
38
Shading Units
18944
4864
TMUs
592
152
ROPs
24
80
Tensor Cores
592
152
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
4 MB
RT Cores
—
38
Theoretical Performance
Pixel Rate
48.77 GPixel/s
133.2 GPixel/s
Texture Rate
1202.9 GTexel/s
253.1 GTexel/s
FP16 (half)
1231.8 TFLOPS
16.20 TFLOPS
FP32 (float)
76.99 TFLOPS
16.20 TFLOPS
FP64 (double)
1202.9 GFLOPS
253.1 GFLOPS
Graphics Processor
GPU Name
GB110
GA104
Architecture
Blackwell Ultra
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
104 billion
17.4 billion
Die Size
Unknown
392 mm²
GPU Variant
—
GA104-202-A1
Board Design
TDP
1400W
225W
Suggested PSU
1800 W
550 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
—
1x 12-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
10.3
8.6
Shader Model
N/A
6.7
Benchmark
3DMark Time Spy
—
12,223
3DMark Time Spy Extreme
—
5,941
3DMark Speed Way
—
3,097
▲ Specs Compare
Data sourced from official specifications and benchmark tests.