NVIDIA B300 vs NVIDIA RTX A5500
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Mar 2022
Generation
Server Blackwell
Quadro Ampere
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1080 MHz
Boost Clock
2032 MHz
1665 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
144GB
24GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
384bit
Bandwidth
4.10TB/s
768.0GB/s
Render Config
SM Count
148
80
Shading Units
18944
10240
TMUs
592
320
ROPs
24
96
Tensor Cores
592
320
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
6 MB
RT Cores
-
80
Theoretical Performance
Pixel Rate
48.77 GPixel/s
159.8 GPixel/s
Texture Rate
1202.9 GTexel/s
532.8 GTexel/s
FP16 (half)
1231.8 TFLOPS
34.10 TFLOPS
FP32 (float)
76.99 TFLOPS
34.10 TFLOPS
FP64 (double)
1202.9 GFLOPS
532.8 GFLOPS
Graphics Processor
GPU Name
GB110
GA102
Architecture
Blackwell Ultra
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
104 billion
28.3 billion
Die Size
Unknown
628 mm²
Board Design
TDP
1400W
230W
Suggested PSU
1800 W
550 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
-
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
10.3
8.6
Shader Model
N/A
6.7
📊 Benchmark
OctaneBench
-
596
Blender
-
4,316