NVIDIA B300 SXM6 AC vs NVIDIA GeForce RTX 3060 GA104
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Sep 2021
Generation
Server Blackwell
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1320 MHz
Boost Clock
2032 MHz
1777 MHz
Memory Clock
2000 MHz
1875 MHz
Memory
Memory Size
288GB
12GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
192bit
Bandwidth
8.19TB/s
360.0GB/s
Render Config
SM Count
148
28
Shading Units
18944
3584
TMUs
592
112
ROPs
24
48
Tensor Cores
592
112
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
126 MB
3 MB
RT Cores
-
28
Theoretical Performance
Pixel Rate
48.77 GPixel/s
85.30 GPixel/s
Texture Rate
1202.9 GTexel/s
199.0 GTexel/s
FP16 (half)
76.99 TFLOPS
12.74 TFLOPS
FP32 (float)
76.99 TFLOPS
12.74 TFLOPS
FP64 (double)
1202.9 GFLOPS
199.0 GFLOPS
Graphics Processor
GPU Name
GB110
GA104
Architecture
Blackwell Ultra
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
208 billion
17.4 billion
Die Size
1628 mm²
392 mm²
GPU Variant
-
GA104-150-A1
Board Design
TDP
1100W
170W
Suggested PSU
1500 W
450 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
6.6
📊 Benchmark
3DMark Time Spy
-
8,935
3DMark Time Spy Extreme
-
4,231