AMD Radeon RX 6300 vs NVIDIA B300

Comparison of AMD Radeon RX 6300 with 2 GB GDDR6 and 768 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms AMD Radeon RX 6300 by 4,285.98% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon RX 6300

1.6

AMD Radeon RX 6300

1.6
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

2 GB
🔥 +7,100% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR6 HBM3e

Memory Bandwidth

64.00 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

32 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

6.267 TFLOPS
🔥 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

3.133 TFLOPS
🔥 +2,357% 76.99 TFLOPS

FP64 (Double Precision)

0.1958 TFLOPS
🔥 +514% 1.2029 TFLOPS

CUDA Cores

768
🔥 +2,367% 18,944 ×2 (37888)

RT Cores

12 No

Architecture & Compatibility

GPU Architecture

RDNA 2.0 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 4.0 x4 PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

Clocks & Performance

Base Clock

1,000
🔥 +66% 1,665

Boost Clock

2,040
🔥 2,032

Memory Clock

2,000
🔥 2,000

Power Consumption

Recommended PSU

🔥 -89% 200 W
1800 W

Power Connector

None No

TDP/TGP

🔥 -98% 32 W
1400 W

Rendering

Texture Units (TMU)

48
🔥 +1,133% 592 ×2 (1184)

ROP

12 No

L2 Cache

1024 KB
🔥 50 MB

Additional

Slots

IGP
🔥 SXM Module

Release Date

No Sept. 11, 2025

Display Outputs

2x HDMI 2.1
No outputs

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