AMD Radeon RX 550X vs NVIDIA B300

Comparison of AMD Radeon RX 550X with 4 GB GDDR5 and 512 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms AMD Radeon RX 550X by 5,267.91% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon RX 550X

1.3

AMD Radeon RX 550X

1.3
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA B300

71.9

NVIDIA B300

71.9

Contents:

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

Memory

Memory Size

4 GB
🔥 +3,500% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR5 HBM3e

Memory Bandwidth

96.00 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

128 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

1.2114 TFLOPS
🔥 +2% 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

1.2114 TFLOPS
🔥 +6,255% 76.99 TFLOPS

FP64 (Double Precision)

0.0757 TFLOPS
🔥 +1,489% 1.2029 TFLOPS

CUDA Cores

512
🔥 +3,600% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 4.0 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 3.0 x8 PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

Clocks & Performance

Base Clock

1,100
🔥 +51% 1,665

Boost Clock

1,183
🔥 +72% 2,032

Memory Clock

1,500
🔥 +33% 2,000

Power Consumption

Recommended PSU

🔥 -86% 250 W
1800 W

Power Connector

None No

TDP/TGP

🔥 -96% 50 W
1400 W

Rendering

Texture Units (TMU)

32
🔥 +1,750% 592 ×2 (1184)

ROP

No No

L2 Cache

512 KB
🔥 50 MB

Additional

Slots

Dual-slot
🔥 SXM Module

Release Date

Dec. 16, 2018 Sept. 11, 2025

Display Outputs

1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
No outputs

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