NVIDIA A100 PCIe vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Jun 2020
Sep 2025
Generation
Tesla
Server Blackwell
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
765 MHz
1665 MHz
Boost Clock
1410 MHz
2032 MHz
Memory Clock
1215 MHz
2000 MHz
Memory
Memory Size
40GB
288GB
Memory Type
HBM2e
HBM3e
Memory Bus
5120bit
8192bit
Bandwidth
1555GB/s
8.19TB/s
Render Config
SM Count
108
148
Shading Units
6912
18944
TMUs
432
592
ROPs
160
24
Tensor Cores
432
592
L1 Cache
192 KB (per SM)
256 KB (per SM)
L2 Cache
40 MB
126 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
48.77 GPixel/s
Texture Rate
609.1 GTexel/s
1202.9 GTexel/s
FP16 (half)
77.97 TFLOPS
76.99 TFLOPS
FP32 (float)
19.49 TFLOPS
76.99 TFLOPS
FP64 (double)
9.746 TFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
GA100
GB110
Architecture
Ampere
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
54.2 billion
208 billion
Die Size
826 mm²
1628 mm²
Board Design
TDP
250W
1100W
Suggested PSU
600 W
1500 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
-
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
8.0
10.3
Shader Model
N/A
N/A