AMD Radeon Vega 3 Mobile vs NVIDIA B300

Comparison of AMD Radeon Vega 3 Mobile and 192 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Vega 3 Mobile

AMD Radeon Vega 3 Mobile

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

No
🔥 144 ГБ ×2 (288 ГБ)

Memory Type

System Shared HBM3e

Memory Bandwidth

System Dependent
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

No 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

0.7688 TFLOPS
🔥 +60% 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

0.3844 TFLOPS
🔥 +19,929% 76.99 TFLOPS

FP64 (Double Precision)

0.024 TFLOPS
🔥 +4,912% 1.2029 TFLOPS

CUDA Cores

192
🔥 +9,767% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 5.0 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

IGP PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

Clocks & Performance

Base Clock

300
🔥 +455% 1,665

Boost Clock

1,001
🔥 +103% 2,032

Memory Clock

No
🔥 2,000

Power Consumption

Recommended PSU

No 1800 W

Power Connector

None No

TDP/TGP

🔥 -99% 15 W
1400 W

Rendering

Texture Units (TMU)

12
🔥 +4,833% 592 ×2 (1184)

ROP

No No

L2 Cache

No
🔥 50 MB

Additional

Slots

IGP
🔥 SXM Module

Release Date

Jan. 6, 2019 Sept. 11, 2025

Display Outputs

Portable Device Dependent
No outputs

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