NVIDIA B300 vs NVIDIA RTX PRO 4500 Blackwell

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs NVIDIA RTX PRO 4500 Blackwell with 32 GB GDDR7 and 10,496 cores.

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Performance Rating

NVIDIA B300 outperforms NVIDIA RTX PRO 4500 Blackwell by 200.21% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA B300

71.9

NVIDIA B300

71.9
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA RTX PRO 4500 Blackwell

24.0

NVIDIA RTX PRO 4500 Blackwell

24.0

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

🔥 +350% 144 ГБ ×2 (288 ГБ)
32 GB

Memory Type

HBM3e GDDR7

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
896.0 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 256 бит

ML Performance

FP16 (Half Precision)

1.2318 TFLOPS
🔥 +4,002% 50.53 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +52% 76.99 TFLOPS
50.53 TFLOPS

FP64 (Double Precision)

🔥 +52% 1.2029 TFLOPS
0.7895 TFLOPS

CUDA Cores

🔥 +80% 18,944 ×2 (37888)
10,496

RT Cores

No
🔥 82

Architecture & Compatibility

GPU Architecture

Blackwell Ultra Blackwell 2.0

SM (Streaming Multiprocessor)

🔥 +80% 148
82

PCIe Version

PCIe 5.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

10.3
🔥 12.0

Clocks & Performance

Base Clock

🔥 +2% 1,665
1,635

Boost Clock

2,032
🔥 +18% 2,407

Memory Clock

🔥 +14% 2,000
1,750

Power Consumption

Recommended PSU

1800 W
🔥 -69% 550 W

Power Connector

No 1x 16-pin

TDP/TGP

1400 W
🔥 -86% 200 W

Rendering

Texture Units (TMU)

🔥 +80% 592 ×2 (1184)
328

ROP

No
🔥 82

L2 Cache

50 MB
🔥 +28% 64 MB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Sept. 11, 2025 March 18, 2025

Display Outputs

No outputs
4x DisplayPort 2.1b

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