NVIDIA B300 vs NVIDIA RTX 5000 Ada Generation

GPU · Specs Compare

Products
GPU NVIDIA B300 NVIDIA · 2025-09
GPU NVIDIA RTX 5000 Ada Generation NVIDIA · 2023-08
Graphics Card
Release Date
Sep 2025
Aug 2023
Generation
Server Blackwell
Quadro Ada
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1155 MHz
Boost Clock
2032 MHz
2550 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
144GB
32GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
576.0GB/s
Render Config
SM Count
148
100
Shading Units
18944
12800
TMUs
592
400
ROPs
24
176
Tensor Cores
592
400
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
72 MB
RT Cores
—
100
Theoretical Performance
Pixel Rate
48.77 GPixel/s
448.8 GPixel/s
Texture Rate
1202.9 GTexel/s
1020 GTexel/s
FP16 (half)
1231.8 TFLOPS
65.28 TFLOPS
FP32 (float)
76.99 TFLOPS
65.28 TFLOPS
FP64 (double)
1202.9 GFLOPS
1020 GFLOPS
Graphics Processor
GPU Name
GB110
AD102
Architecture
Blackwell Ultra
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
104 billion
76.3 billion
Die Size
Unknown
609 mm²
GPU Variant
—
AD102
Board Design
TDP
1400W
250W
Suggested PSU
1800 W
600 W
Outputs
No outputs
4x DisplayPort 1.4a
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
1.3
CUDA
10.3
8.9
Shader Model
N/A
6.7
Benchmark
3DMark Time Spy
—
14,170
3DMark Time Spy Extreme
—
12,700
OctaneBench
—
816
3DMark Speed Way
—
6,473
Blender
—
6,013
▲ Specs Compare Data sourced from official specifications and benchmark tests.